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BS 5266 design, install, 3-hour test & LED retrofit, all-in-one

Emergency Lighting Installation & Testing, London

BS 5266-1 & BS EN 1838 compliant design, installation, monthly flick-test, annual 3-hour duration test and LED retrofit, delivered under one team with fire alarm, fire doors, EICR and FRA remedial, ready for council, CQC and insurer review.

BS 5266 site survey

Talk to the emergency-lighting team

48hr site visit Fixed price Credited vs contract
✓ Received, we’ll call you within 2 hours.
BS 5266 log book & photometric compliance included • all 32 London boroughs
Designing, installing & testing to:
BS 5266-1:2016 BS EN 1838:2013 BS EN 50172 BS EN 62034 NICEIC ICEL LIA NEBOSH IFSM BS 7671 CQC Reg 12 Prestige Awards Winner 2026/27
Why landlords call us

Six reasons an emergency lighting quote goes out every week

Most of our emergency lighting enquiries start with one of six triggers, from a failed annual 3-hour duration test to a Fire Risk Assessment demanding full escape-route coverage. Every trigger carries its own compliance evidence and deadline. We read the test report or FRA, confirm the BS 5266 scheme your property needs, and close the action inside the statutory window.

Trigger 01

Failed annual 3-hour duration test

One or more luminaires did not sustain the rated 180-minute discharge at photometric compliance. Usually a battery at end of life (4–5 year design life), a failed LED driver, or a fitting connected to the wrong local circuit. The log book cannot be signed off until the failure is rectified and re-tested.

Insurance-void risk BS 5266-1 Cl. 12.3
Trigger 02

FRA demands escape-route EL coverage

The Fire Risk Assessor has flagged that occupants would not safely reach a final exit under power loss, escape routes unlit, open-area anti-panic lighting missing, or high-risk task areas (kitchens, plant rooms) without sustained emergency illuminance.

FRA P1 typical RRO 2005 · BS EN 1838
Trigger 03

HMO licence requires EL on common parts

LACORS-aligned HMO licensing demands emergency lighting on all common escape routes in HMOs of three storeys or more, and on all common-parts stairs in multi-storey HMOs regardless of size. Schedule-of-works typically issued with 21–28-day closure window.

21-28 days typical LACORS · Housing Act 2004
Trigger 04

End-of-life fluorescent fittings, LED retrofit

Fluorescent emergency luminaires installed before 2018 are reaching end of rated life, and the T8 / T5 lamp types they use have been in phased withdrawal since September 2023 under the EU Ecodesign for Lighting Products Regulation 2019/2020 (UK: Ecodesign for Lighting Products Regulations 2021). Retrofit LED halves the failure rate and typically pays back inside 3–4 years.

Lifecycle cost Ecodesign 2019/2020
Trigger 05

New-build, refurb or change-of-use commissioning

Building Control sign-off, Approved Document B, BS 5266-1 design certification and a BS EN 1838 photometric compliance schedule are prerequisites for handover. Most practical-completion snags come from under-specified open-area anti-panic lighting and missing high-risk task points.

ADB · BS 5266-1 Photometric compliance
Trigger 06

Insurer or BSA Section 156 requirement

Insurer re-inspection flags a missed monthly test, an unlogged annual 3-hour test, or an undocumented scheme. Higher Risk Buildings under the Building Safety Act 2022 Section 156 now require golden-thread-ready emergency lighting documentation.

Policy invalidation risk BSA s.156 · HRB
BS 5266-1 / LACORS matrix · Housing and Fire Safety

EL Coverage Quick-Pick: pick your storey count and occupancy

For HMO, residential block and licensed-property contexts, BS 5266-1 and the LACORS Housing and Fire Safety guidance scale coverage to building size and occupancy. Pick the two variables below and we’ll show the expected BS 5266 coverage, typical luminaire count, test regime and cost band. Your FRA designer confirms the final scheme.

Indicative starting point only; not a BS 5266 design. Cost bands reflect HSE 2025–26 London projects (ex VAT, fixed for 30 days from quote, excludes builder’s work and bespoke access). Selective-licensing and additional-licensing boroughs (Southwark, Newham, Tower Hamlets, Hackney and others) commonly attach extra EL conditions to the licence schedule. The building’s Fire Risk Assessment and fire strategy override this matrix; final scope, luminaire count and duration are set by a competent person on a site survey.
Want a fixed-price BS 5266 scheme for your building? Site survey credited against any contract awarded. Photometric calc, luminaire schedule and commissioning pack on a single team, single cert basis.
Book a scoping survey
End-to-end emergency lighting service

Everything your emergency lighting needs, under one roof

Most emergency lighting companies sell one or two of these services and subcontract the rest. We design, install, commission, test monthly and annually, retrofit to LED, diagnose 3-hour test failures and remediate FRA actions, entirely in-house, on a single BS 5266 commissioning certificate and log book. That’s the point of difference a Fire Risk Assessor, council licensing officer or insurer looks for when they review your paperwork.

01

BS 5266 Design & Photometric Compliance

ICEL-aligned design by a competent person. We set scheme category (escape route, open area, high-risk task) and luminaire position from your Fire Risk Assessment, fire strategy and photometric calculation, before a single cable is pulled.

See scope & pricing
  • Fire strategy & FRA review
  • BS EN 1838 photometric calculation (1 lux / 0.5 lux / 15 lux)
  • Luminaire schedule & location plan
  • 1-hour vs 3-hour duration decision
  • Maintained vs non-maintained selection
  • BS 5266 design certificate
Standards: BS 5266-1 Cl. 5 · BS EN 1838 · ICEL £250–£1,450
02

Installation & Commissioning

NICEIC-registered installation by DBS-checked electricians. Every scheme hands over with a full BS 5266 commissioning pack: commissioning certificate, photometric schedule, luminaire schedule, 3-hour duration test record and log book.

See scope & pricing
  • First-fix wiring to BS 7671 Ch. 56 & BS EN 50172
  • Correct-circuit monitoring (same final circuit as normal lighting)
  • Charging verification for every luminaire
  • Full 3-hour duration discharge test
  • Photometric compliance verification on floor
  • Log book & monthly test briefing
Standards: BS 5266-1 Cl. 9-11 · BS 7671 Ch.56 £395–£25,000
03

Monthly Flick-Test & Annual 3-Hour Test

BS 5266-1 Cl. 12 requires two tests: monthly short-duration functional check and annual full-duration 3-hour discharge. Miss either and the log book cannot be signed off; insurance is invalid. We run the regime and store the digital log.

See scope & pricing
  • Monthly flick-test visit (contract)
  • Annual 3-hour duration discharge test
  • Photometric re-verification at key points
  • Battery voltage + capacity check per fitting
  • Digital log book synced to the cert pack
  • Fail-then-fix response within 72 hrs
Standards: BS 5266-1 Cl. 12 · BS EN 50172 From £45 / month
04

LED Emergency Lighting Retrofit

T8 and T5 fluorescent ballasts have been in phased withdrawal since September 2023 under the EU Ecodesign for Lighting Products Regulation 2019/2020 (UK: Ecodesign for Lighting Products Regulations 2021). Most pre-2018 luminaires are now at end of spares and battery life. LED retrofit halves the failure rate, extends lifespan to 10+ years, and typically pays back inside 3–4 years.

See scope & pricing
  • Like-for-like LED swap (existing wiring retained)
  • Full-scheme refresh with modern photometrics
  • Self-test addressable upgrade option
  • Battery pack upgrade where needed
  • Re-commissioning & new BS 5266 cert
  • Disposal certificate for WEEE compliance
Standards: Ecodesign 2019/2020 · BS 5266-1 · WEEE Regs £65–£135 / fitting
05

3-Hour Test Failure Remedial

A failed annual 3-hour discharge test means at least one luminaire did not sustain the rated duration. We triage within 2 hours, attend within 48 hours, fix on site where possible and re-test, restoring BS 5266 cert status inside 5 working days.

See scope & pricing
  • Symptom-based root-cause diagnosis
  • Battery pack replacement (4–5yr end-of-life)
  • LED driver / module swap
  • Circuit-monitoring correction
  • High-temperature luminaire relocation
  • Re-test + updated BS 5266 cert
Standards: BS 5266-1 Cl. 12.3 · BS EN 60598-2-22 £145–£650
06

Self-Test Addressable Systems

Self-test luminaires carry out their own monthly functional test and annual 3-hour duration test automatically, reporting pass/fail to a central panel or cloud dashboard. BS EN 62034 compliant, increasingly mandated by managing agents and HMO licensing teams above 20 luminaires.

See scope & pricing
  • BS EN 62034 self-test luminaires
  • Addressable panel or wireless network
  • Automated monthly + annual test logs
  • Cloud dashboard for portfolio operators
  • Audit-ready test-history export
  • No missed intervals, ever
Standards: BS EN 62034 · BS 5266-1 +25–40% on base install
Why this matters

One electrician on every step, design through annual 3-hour test.

The gap between EL contractors that only install and those that only test is where most compliance disasters hide: a mis-spec at design stage locks in 3-hour test failures for a decade. We sit on both sides of that line, and integrate with fire alarm, fire doors and EICR under the same project manager.

Long-tail reference

Self-contained vs Central Battery (CBS), at a glance

The single most-asked emergency lighting question in London commercial & block portfolios. Short version: self-contained has its own battery in every fitting; CBS feeds every luminaire from one centralised cabinet. The six headline rows below cover what most readers come for, expand the panel for the full thirteen-row spec including standards, lifecycle, aesthetics and cable requirements.

Attribute Self-contained Central Battery (CBS)
Typical application HMOs, small commercial, blocks of flats, most London schemes under ~80 luminaires Large commercial, prestige retail & hospitality, hospitals, schemes above ~80 luminaires
Battery location Inside each luminaire (individual sealed NiCd / NiMH / LiFePO4) Single centralised battery bank (BS EN 50171 cabinet) in a dedicated plant room
Battery lifecycle 4–5 years (NiCd/NiMH) per fitting; 7–10 years (LiFePO4) 8–10 years for the central battery bank (runs cooler)
Install cost per luminaire £95–£240 installed & commissioned £120–£320 per luminaire + cabinet capex (BS EN 50171 rated)
Lifecycle cost crossover Cheaper below ~80 luminaires, fewer central-system capital costs Cheaper above ~80 luminaires, one battery bank replacement vs 80 individual cells
Failure mode One fitting fails → lose coverage at that point only Central bank fails → whole scheme loses emergency mode (must include battery-bank redundancy)
Governing product standard BS EN 60598-2-22 luminaire standard BS EN 50171 centralised power supply standard
Maintenance regime Per-fitting monthly flick-test and annual 3-hour discharge Central-battery monthly status check + annual 3-hour system test
Self-test availability BS EN 62034 self-test luminaires widely available Integrated into central-panel monitoring by default
Aesthetic Battery pack in fitting, can look industrial Uniform “pendant” appearance (no battery bulge), preferred in prestige retail & hospitality
High-temperature locations Battery life halves above 25°C ambient, can force swap from 4–5yr to 2–3yr Central cabinet in conditioned plant room, no per-fitting heat impact
Cable requirement Connected to the same normal-lighting final circuit it monitors Dedicated sub-main from central cabinet to every luminaire (typically BS 6387 CWZ fire-resistant)
BS 5266-1 duration rating Per-fitting rated duration (1-hour or 3-hour) Central bank sizes for system duration (usually 3-hour across all luminaires)
Infographic · BS EN 1838 photometric requirements

Emergency lighting lux requirements, at a glance

BS EN 1838:2013 sets three minimum illuminance levels, each measured at floor level during full emergency-mode operation. These are the numbers your Fire Risk Assessor and photometric designer work to, and what our commissioning engineer measures on a light meter at handover.

BS EN 1838:2013 Emergency lighting lux zones Photometric plan showing the three BS EN 1838:2013 illuminance levels measured at floor level during full emergency-mode operation. Two open-area zones at 0.5 lux minimum with concentric isolux contours falling from 5 lux under the luminaire to 0.5 lux at the perimeter. A horizontal escape route showing 1 lux minimum on the centre line with six per-metre measurement readings (1.4, 1.2, 1.0, 1.5, 1.1, 0.9 lux) and a handheld lux meter giving a 1.0 lux reading. Two high-risk task zones at 15 lux minimum, each with a depicted task surface (a kitchen hob and a plant-room workbench). A central uniformity-ratio inset showing the 40:1 maximum permitted on escape routes. Maintained ISO 7010 exit signs at both ends of the route. The drawing carries a copyright line, drawing title block, north arrow, scale bar and standards-citation strip in BS 1192 architectural-plan style. ILLUM 1.0 LX CAL · BS EN 13032 BS EN 1838:2013 · PHOTOMETRIC ZONES · INDICATIVE ILLUMINANCE PLAN © HSE Property Checks Ltd 2026 · hsepropertychecks.co.uk · All rights reserved · reproduction or redistribution without permission is prohibited A B C 1 2 3 0.5 lx 1.0 lx 5 lx OPEN AREA · 0.5 LUX anti-panic · on empty core floor 0.5 lx 1.0 lx 5 lx OPEN AREA · 0.5 LUX reception · final-exit lobby ESCAPE ROUTE · 1 LUX 1.4 lx 1.2 lx 1.0 lx 1.5 lx 1.1 lx 0.9 lx on centre line · ≥ 0.5 lux across at least half the width · max:min ≤ 40:1 maintained exit maintained exit CALIBRATED LUX METER TASK SURFACE · KITCHEN HOB 15 LUX MIN TASK SURFACE · PLANT-ROOM BENCH 15 LUX MIN UNIFORMITY RATIO MAX brightest pt ≤ 40 : 1 on escape routes (§4.4) MIN dimmest pt N SCALE · INDICATIVE 0 5 10 m EL PHOTOMETRIC ZONES DRAWING NO EL-002 SCALE NTS DATE 04/26 REV A DRAWN BY HSE PROPERTY CHECKS LTD · BS EN 1838:2013 §4 (escape route) · §5 (open area) · §6 (high-risk task) · horizontal illuminance, full emergency mode LEGEND Isolux contour · 0.5 / 1 / 5 lx Centre-line measurement axis Calibrated lux meter (BS EN 13032)
1 lux · escape route Minimum 1 lux on the centre line, 0.5 lux across at least half the width of the route. Applies to corridors, stairs and any defined escape path. Measured at floor level.
0.5 lux · open-area anti-panic Minimum 0.5 lux on the floor of any open area > 60 m² (or smaller if FRA identifies panic risk). Reception lobbies, restaurant floors, retail shop floors, HMO landings.
15 lux · high-risk task area Minimum 15 lux, or 10% of the normal task illuminance (whichever is greater), at every point where a hazardous task continues after mains failure. Kitchens, medication rooms, plant rooms, workshops.
40:1 uniformity ratio On every escape route the ratio of brightest point to dimmest point cannot exceed 40:1. Prevents the eye adapting to bright zones and losing sight of dim stretches.
Maintained exit signs BS EN 1838 sets luminance for internally-illuminated exit signs. Must be visible at every change of direction on an escape route, and on every final exit door.
Duration 3 hours for sleeping-risk premises (HMO, care home, hotel) and any premises that may still be occupied after normal working hours. 1 hour only for narrow single-use commercial cases.
Infographic · BS 5266-1 architecture

Anatomy of a compliant emergency lighting system

Every BS 5266 scheme brings together the same six element types in the same architecture. Each has a product standard, a rated life, a maintenance interval, and a place in the commissioning pack. This is what “designed by a competent person” actually looks like on a plan drawing.

Anatomy of a BS 5266-1 emergency lighting system Schematic floor plan of a BS 5266-1 emergency lighting scheme. The building is divided into three lighting zones around a central plant/riser core that houses the Central Battery System cabinet to BS EN 50171. Zone 1 covers the escape route to BS EN 1838 with non-maintained 3-hour luminaires and a maintained ISO 7010 exit sign. Zone 2 covers an open area to 0.5 lux with anti-panic luminaires. Zone 3 covers a high-risk task area to 15 lux with sustained-output luminaires. A continuous sub-main in fire-resistant cable feeds every luminaire from the CBS cabinet, and each luminaire monitors its own local normal-lighting circuit so loss of mains at that circuit triggers the battery. The cabinet runs from a 230V mains primary supply with a 3-hour standby battery. E E 15 LUX BS 5266-1 EMERGENCY LIGHTING · SCHEMATIC FLOOR PLAN © HSE Property Checks Ltd 2026 · hsepropertychecks.co.uk · All rights reserved · reproduction or redistribution without permission is prohibited A B C 1 2 3 ZONE 1 · ESCAPE ROUTE · EN 1838 ZONE 2 · OPEN AREA · 0.5 LUX ZONE 3 · HIGH-RISK TASK · 15 LUX PLANT / RISER Maintained exit sign ISO 7010 · Always-on Non-maint. EN 60598-2-22 · 3h Non-maint. Stair top Non-maint. Direction change Anti-panic 0.5 lux floor Anti-panic EN 1838 · 0.5 lux Maintained Reception High-risk Kitchen hob High-risk Plant room High-risk Med room FINAL CIRCUIT MCBs CBS · EN 50171 DURATION 3 HOUR CHG FLT RUN BATTERY HEALTH 96% · 24V DC float SUB-MAIN A SUB-MAIN B CENTRAL BATTERY SYSTEM · BS EN 50171 (or self-contained per-fitting · BS EN 60598-2-22) 230V MAINS + 3-hour standby N SCALE · INDICATIVE 0 5 10 m EMERGENCY LIGHTING ANATOMY DRAWING NO EL-001 SCALE NTS DATE 04/26 REV A DRAWN BY HSE PROPERTY CHECKS LTD · BS 5266-1:2016 · BS EN 1838:2013 · BS EN 50172 · BS EN 62034 LEGEND Sub-main · BS EN 50171 FR cable Local-circuit monitoring · §8.2.5 230V mains feed
Maintained exit sign Always illuminated whenever the building is occupied. ISO 7010 pictogram. Required at every final exit and change of direction on an escape route.
Non-maintained escape luminaire Dark during normal operation; illuminates only on local-circuit failure. Used on corridors, stairs, landings. Cheaper per fitting than maintained.
Open-area anti-panic luminaire Delivers 0.5 lux on the floor of any room over 60 m² (or where FRA identifies panic risk). Often circular pendant or recessed LED.
High-risk task luminaire Delivers 15 lux at the work point (kitchens, plant rooms, med rooms). Sustained for as long as the risk persists. Usually higher-output LED.
Local circuit monitoring Every luminaire watches its own final lighting circuit. On loss of mains at that circuit, the battery kicks in. Wrong circuit = failed 3-hour test.
Battery (central or per-fitting) Self-contained: battery inside each luminaire. Central Battery System: one BS EN 50171 cabinet feeds all fittings via sub-mains. Both rated for 3-hour duration.
Published pricing

Emergency Lighting Pricing, Line-by-Line Bands

Every range below is drawn from real HSE Property Checks emergency lighting projects across London and the Home Counties in the last 12 months. Ranges are indicative, final figures are always fixed-price after our site survey (no charge for the visit), which verifies luminaire count, ceiling heights, cable routing, access and photometric compliance.

Emergency lighting service Standard Price range What’s included
Monthly & annual testing · BS 5266-1 Cl. 12
Annual 3-hour duration test
per visit, full discharge + photometric check
BS 5266-1 Cl.12.3 £145–£395 Full 3-hour battery discharge test on every luminaire, photometric verification, log update, new BS 5266 annual test certificate.
Monthly flick-test contract
per month, typical small-to-medium scheme
BS 5266-1 Cl.12.2 £45–£120 / month Monthly short-duration functional test of every luminaire, battery visual check, fault-diagnostic, log update. Annual 3-hour test typically bundled.
Self-test addressable monitoring
per annum, automated dashboard reporting
BS EN 62034 · BS 5266-1 £180–£450 / yr Automated monthly + annual test logs, cloud dashboard access, quarterly exception report, annual on-site validation visit, certificate regeneration.
Monthly-test training & digital log setup
one-off, per property / block
BS 5266-1 Cl.12.2 £95–£195 On-site training with Responsible Person & caretaker, laminated luminaire-location plan, digital log book setup, reminder-schedule automation.
LED retrofit & FRA-driven upgrade works
Fluorescent → LED retrofit
like-for-like swap, existing wiring retained
Ecodesign 2019/2020 · BS 5266-1 £65–£135 / fitting LED emergency luminaire swap, existing wiring retained, commissioning + 3-hour test, new BS 5266 cert, WEEE disposal certificate.
Full-scheme LED refresh
removal + re-design + fresh install
BS 5266-1 · BS EN 1838 £1,800–£12,000 Full design-stage review, updated photometric calc, modern LED luminaires, new wiring where needed, commissioning, 3-hour test, cert pack.
Self-test addressable upgrade
from conventional to BS EN 62034 self-test
BS EN 62034 +25–40% on base install Self-test addressable luminaires, central panel or wireless network, cloud dashboard, handover training, automated-test cert regeneration.
Coverage top-up (escape → open area)
per added luminaire, installed & commissioned
BS 5266-1 · BS EN 1838 £145–£285 / luminaire Additional luminaires to close photometric gap, re-calculated lumen compliance, connected to correct monitored circuit, re-certification.
3-hour test failure diagnosis & remedial
Test-failure investigation & report
symptom triage + on-site discharge test
BS 5266-1 Cl.12.3 £145–£395 On-site battery-voltage + discharge test per fitting, LED driver test, written root-cause report with remedial options and new BS 5266 cert on re-test pass.
Battery pack replacement
per fitting, NiCd / NiMH / LiFePO4
BS 5266-1 · BS EN 60598-2-22 £45–£95 / fitting Correct-chemistry battery pack replacement, re-commissioning test, updated log entry, WEEE disposal cert for the old pack.
LED driver / module replacement
per fitting, constant-current driver fault
BS EN 60598-2-22 £55–£125 / fitting Driver / module swap, re-commissioning test, new 3-hour duration pass, updated BS 5266 cert.
Circuit-monitoring correction
per fitting, wrong-supply connection
BS 7671 Ch.56 £95–£250 / fitting Re-wire to correct local lighting circuit, test changeover logic on supply loss, commissioning test, log update and cert re-issue.
Design & installation: BS 5266-1 & BS EN 1838
BS 5266 design & photometric calc
competent-person fire strategy, lumen calculation, luminaire schedule
BS 5266-1 Cl.5 · BS EN 1838 £250–£1,450 FRA review, escape-route / open-area / high-risk task zoning, photometric calculation, luminaire schedule & location plan, design certificate.
Single luminaire install
maintained exit sign or non-maintained escape-route luminaire
BS 5266-1 · BS 7671 Ch.56 £95–£185 / fitting LED luminaire, first-fix wiring on correct monitored circuit, commissioning test, photometric verification, log entry.
Small HMO escape-route scheme
4–6 luminaires, 2-storey HMO
BS 5266-1 · LACORS £395–£950 Escape-route coverage, maintained exit signs, 3-hour duration LED fittings, commissioning, 3-hour test, BS 5266 cert.
Medium commercial scheme (self-contained)
10–25 luminaires, escape + open area + task
BS 5266-1 · BS EN 50172 £1,400–£4,200 Self-contained LED luminaires, full BS EN 1838 compliance (1/0.5/15 lux), commissioning, 3-hour test, photometric compliance pack.
Large commercial / central-battery (CBS)
40+ luminaires, centralised battery cabinet
BS 5266-1 · BS EN 50171 £6,500–£25,000 CBS battery cabinet, dedicated sub-mains to luminaires, full scheme commissioning, 3-hour test, photometric compliance, capex-lifecycle cost analysis.
Care-home full-coverage scheme
escape + open + task + PEEPs, addressable preferred
BS 5266-1 · CQC Reg 12 £3,200–£18,000 Maintained exit signs, PHE-aligned anti-panic lighting, high-risk task lighting in med rooms & kitchens, self-test addressable, CQC evidence pack.

Ranges are indicative. Your fixed-price quote is issued after a site survey (no charge for the visit; cost credited against any contract awarded). Ranges exclude builder’s work, complex access, bespoke mounting and volume discounts; all are fully captured in the quote. Volume discounts at 10+/25+/50+ luminaires.

BS 5266 test & inspection clock

Monthly flick-test • Annual 3-hour duration test • 4–5yr battery rotation

The biggest cause of insurance-voided emergency lighting in London is not a design failure, it’s a missed test interval. BS 5266-1 Cl. 12 sets a sequence of daily, monthly and annual duties. Miss any one and the log book chain breaks. Here is the full schedule.

Daily
Responsible Person
Visual indicator check

A quick visual check that the charging indicator on every central-battery system and each self-contained luminaire is lit. Takes seconds; recommended by BS 5266-1 as a best-practice habit.

BS 5266-1 Cl. 12.2
Monthly
Competent person
Flick-test (short-duration functional)

Every luminaire operated on simulated supply failure long enough to verify it illuminates. Log entry per fitting. The first statutory test under BS 5266-1 Cl. 12.2.

BS 5266-1 Cl. 12.2
Annual
Competent person (HSE)
Full 3-hour duration test

Full 3-hour battery discharge test on every luminaire. Photometric compliance re-verified at key points on the escape route and in open areas. New BS 5266 annual test certificate issued.

BS 5266-1 Cl. 12.3
4–5 yr
Competent person
Battery pack replacement

Sealed NiCd / NiMH batteries reach rated end of life at 4–5 years under normal ambient. High-temperature locations (plant rooms, kitchens) halve this life. Plan rotation before the annual test fails.

Manufacturer & BS 5266-1
8–10 yr
Competent person
LED driver / module

LED constant-current drivers typically reach end-of-rated-life at 8–10 years. Even if the LED board still lights on the monthly check, the driver may fail to sustain 3-hour duration. Planned rotation avoids a scheme-wide failure.

BS EN 60598-2-22
15–20 yr
Strategic
Full scheme refresh

Typical luminaire end-of-life: 15–20 years. T8 and T5 fluorescent lamp types have been in phased withdrawal since September 2023 under the Ecodesign for Lighting Products Regulation 2019/2020. Plan phased LED refresh well before the annual 3-hour test fails system-wide.

Capital-plan item

BS 5266 Test Due Calculator

Enter the date of your last monthly flick-test OR annual 3-hour duration test, we’ll tell you when the next test is due and whether you’re currently compliant.

Reference: BS 5266-1:2016 Cl. 12.2 (monthly) · Cl. 12.3 (annual 3-hr) · Annex F (battery lifecycle). Dates assume a competent-person test was actually carried out on the date entered.
Enter a date to see your compliance status
Next test due
,
select type + date
Days remaining
,
from today
Book my next test visit
Never miss another interval. Our BS 5266 test contracts automate the reminder schedule, book the visit and issue the certificate straight to your digital log book, no missed intervals, no insurance-voiding gaps. Book a test contract review →
This tool returns an indicative diagnosis. Our fixed-price EL test-failure investigation (£145–£395) attends within 48 hours, runs a full discharge test on site and hands back a written root-cause report with a new BS 5266 certificate on re-test pass.
Book a test-failure investigation
BS 5266 process · Design · Install · Commission · Test

Our eight-step BS 5266 installation & commissioning checklist

Every emergency lighting scheme we design, install, test or retrofit follows the same eight-step BS 5266 checklist, aligned with BS 5266-1:2016, BS EN 1838:2013, BS EN 50172 and BS EN 62034. It’s why FRA assessors, councils, CQC inspectors and insurers accept our commissioning packs at first submission.

  1. 01

    Fire strategy & scheme-category determination Design stage

    FRA review and competent-person sign-off on scheme categories: 1 lux escape route, 0.5 lux open area / anti-panic, 15 lux high-risk task. Duration (1-hour vs 3-hour) and maintained vs non-maintained mix fixed.

  2. 02

    Site survey & photometric calculation Within 48 hr

    On-site visit captures ceiling heights, obstructions, existing lighting circuits and luminaire candidates. Lux calculation to BS EN 1838 derives luminaire count, position and type, with uniformity ratio ≤ 40:1 on escape routes.

  3. 03

    Fixed-price scheme pack 5 working days

    BS 5266 design certificate, photometric compliance drawing, luminaire schedule, monthly + annual test regime plan and product certificate-of-conformity evidence, issued with a fixed-price quote and signed off by the Responsible Person.

  4. 04

    Installation & first-fix wiring 1–5 days

    BS 7671 Chapter 56 special-location wiring and BS EN 50172 monitored-circuit verification. Every luminaire connected to its correct monitored final circuit, DBS-checked operatives, tenant-aware scheduling on occupied sites.

  5. 05

    Commissioning & function testing BS 5266-1 Cl. 12

    100% luminaire function test on simulated supply failure. Floor-level photometric spot-check at key points on escape routes and high-risk task positions to verify the design lux values are met in practice.

  6. 06

    3-hour duration test Annual evidence

    Full 3-hour battery discharge with per-luminaire pass/fail. The annual evidence under BS 5266-1 Cl. 12.3 that fittings sustain rated duration; the record insurers ask to see for the previous three years.

  7. 07

    Battery & changeover-time verification BS EN 50172

    Battery capacity, charging-circuit integrity and changeover time recorded against BS EN 50172 thresholds. Date-stamped result against each luminaire on the schedule.

  8. 08

    Handover, log book & certification Within 72 hr

    Face-to-face monthly-flick-test training, populated BS 5266 log book, laminated luminaire-location plan at the distribution board, and the BS 5266 commissioning certificate set issued in a submission-ready completion pack with 12-month workmanship warranty.

The deliverable

Anatomy of a BS 5266 Commissioning Pack

Councils, HMO licensing officers, FRA assessors, CQC inspectors and insurers each ask for different evidence in different formats. Our BS 5266 commissioning pack bundles every one of them into a single binder so the Responsible Person has one authoritative reference, and one PDF that drops straight into any licensing portal or insurer submission.

01

BS 5266 commissioning certificate

Competent-person-signed certificate confirming design, install and commissioning complete and compliant. This is the document every insurer and HMO licensing team asks for first; a frequent reason for first-round submission rejection when missing or unsigned.

02

Photometric compliance drawing

Marked-up floor plan showing every luminaire, maintained-mode status, duration rating, and measured floor-level lux values at key points on escape routes, in open areas and at high-risk task positions. The evidence that BS EN 1838 1 lux / 0.5 lux / 15 lux thresholds are met.

03

3-hour duration test record

Per-luminaire pass/fail on a full 3-hour battery discharge test, the annual evidence that fittings sustain rated duration. Required annually under BS 5266-1 Cl. 12.3; insurers routinely ask to see the last 3 years of records.

04

Luminaire schedule & location plan

Every luminaire numbered, located, specified (type, duration, maintained mode) and cross-referenced to its monitored final circuit. Laminated copy stays at the distribution board; digital copy in the pack. Critical for the monthly flick-test walk-around.

05

Product certification evidence

ICEL-registered and BS EN 60598-2-22 certificates for every luminaire and exit sign. Manufacturer data sheets. Required for BSA Section 156 golden-thread documentation on Higher Risk Buildings.

06

Log book & handover training record

Populated BS 5266 log book with monthly flick-test schedule, annual 3-hour test calendar, battery-rotation reminders and face-to-face training sign-off from the Responsible Person & caretaker. Sets the Cl. 12.2 monthly clock ticking cleanly.

Coverage Area

Coverage across London, borough by borough

Click any borough to see the number of projects delivered in and around it. Counts accumulate direct and adjoining-borough work from a recent 100-project cohort.

Enter your postcode or pick a borough below to see how many of our last 100 completed emergency lighting jobs were delivered in or close to your area.
Barking & Dagenham

4 out of last 100 projects completed in and around Barking & Dagenham postcodes: IG11.

Barnet

8 out of last 100 projects completed in and around Barnet postcodes: NW4, EN5.

Bexley

6 out of last 100 projects completed in and around Bexley postcodes: DA5.

Brent

16 out of last 100 projects completed in and around Brent postcodes, within our all-32-borough London service area.

Bromley

9 out of last 100 projects completed in and around Bromley postcodes: BR1, BR3, SE20.

Camden

22 out of last 100 projects completed in and around Camden postcodes: NW1, NW5.

City of London

45 out of last 100 projects completed in and around City of London postcodes: EC4.

Croydon

7 out of last 100 projects completed in and around Croydon postcodes: CR0.

Ealing

6 out of last 100 projects completed in and around Ealing postcodes, within our all-32-borough London service area.

Enfield

5 out of last 100 projects completed in and around Enfield postcodes: EN3.

Greenwich

18 out of last 100 projects completed in and around Greenwich postcodes: SE3.

Hackney

17 out of last 100 projects completed in and around Hackney postcodes: E9.

Hammersmith & Fulham

11 out of last 100 projects completed in and around Hammersmith & Fulham postcodes: SW6, W12.

Haringey

13 out of last 100 projects completed in and around Haringey postcodes: N4.

Harrow

6 out of last 100 projects completed in and around Harrow postcodes: HA1.

Havering

3 out of last 100 projects completed in and around Havering postcodes, within our all-32-borough London service area.

Hillingdon

4 out of last 100 projects completed in and around Hillingdon postcodes: UB4, UB5.

Hounslow

7 out of last 100 projects completed in and around Hounslow postcodes: TW3.

Islington

12 out of last 100 projects completed in and around Islington postcodes: N1.

Kensington & Chelsea

18 out of last 100 projects completed in and around Kensington & Chelsea postcodes, within our all-32-borough London service area.

Kingston upon Thames

2 out of last 100 projects completed in and around Kingston upon Thames postcodes, within our all-32-borough London service area.

Lambeth

36 out of last 100 projects completed in and around Lambeth postcodes: SW4.

Lewisham

24 out of last 100 projects completed in and around Lewisham postcodes: SE13, SE23.

Merton

8 out of last 100 projects completed in and around Merton postcodes, within our all-32-borough London service area.

Newham

17 out of last 100 projects completed in and around Newham postcodes: E16.

Redbridge

4 out of last 100 projects completed in and around Redbridge postcodes: IG8.

Richmond upon Thames

11 out of last 100 projects completed in and around Richmond upon Thames postcodes: TW2, TW11.

Southwark

31 out of last 100 projects completed in and around Southwark postcodes: SE1, SE15, SE17, SE22.

Sutton

1 out of last 100 projects completed in and around Sutton postcodes, within our all-32-borough London service area.

Tower Hamlets

33 out of last 100 projects completed in and around Tower Hamlets postcodes: E1, E2, E14.

Waltham Forest

7 out of last 100 projects completed in and around Waltham Forest postcodes, within our all-32-borough London service area.

Wandsworth

11 out of last 100 projects completed in and around Wandsworth postcodes: SW11, SW17, SW18.

Westminster

22 out of last 100 projects completed in and around Westminster postcodes: W1, W2, SW1, NW8, WC2.

Based on our last 100 invoiced projects across London. “In and around” counts accumulate direct-borough work plus work in adjoining boroughs. Numbers reflect this cohort, our full 6-month delivery extends beyond it.

Your named team

The people designing & commissioning your emergency lighting

Every HSE emergency lighting project has a named electrical lead, the same person you meet at survey is the one who signs the BS 5266 commissioning certificate, backed by our NEBOSH & IFSM-qualified fire-safety oversight. Accountability isn’t a line item on our contracts; it’s the contract.

Fernando Olivera

Electrical Lead & BS 5266 Emergency Lighting Designer

Fifteen-plus years designing, installing and commissioning BS 5266 emergency lighting schemes across London HMO, block-management, commercial and care-home portfolios. Personally accountable for every scheme we issue, photometric compliance to BS EN 1838, annual 3-hour duration testing, and the BS 5266 commissioning pack.

NICEIC Approved Contractor BS 7671 18th Ed BS 5266-1 Designer BS EN 1838 Photometric C&G 2391
Full bio & credentials →

Kevin Beaver

Fire Safety Oversight & FRA Assessor

Twenty years in fire and HMO compliance across the London private rented sector, blocks and care-home portfolios. Reviews every emergency lighting scheme against the building fire strategy and FRA, ensuring the photometric design actually matches the escape strategy, not just the standard.

NEBOSH NGC NEBOSH Fire Cert IFSM Affiliate IFE L3 FRA Tier 2 Assessor
Full bio & credentials →

In-House Electrical & EL Installation Team

NICEIC Approved Contractor · ICEL scheme-aligned

BS 5266 emergency lighting design, install, commission, monthly & annual 3-hour test delivered in-house under our NICEIC competent-person framework. Every luminaire we commission is photometrically verified on floor. All statutory certificates are issued under our own registrations, never subcontracted, never whitewashed.

NICEIC Approved Contractor ICEL-aligned BS 7671 18th Ed BS 5266-1 BS EN 50172
HSE Property Checks Ltd Company No. 13723060 · FDIS · NICEIC · NEBOSH · IFSM · IFE
IFSM Affiliate Prestige Awards Winner 2026/27
The rest of the compliance stack

Emergency lighting is one pillar. Here are the others.

A BS 5266 emergency lighting scheme sits inside a wider compliance framework, fire alarm, fire doors, EICR electrical and HMO / HHSRS controls. Most of our clients start with a single EL brief and stay for the full stack. Every service below is delivered by the same project team, on the same commissioning pack.

Fire Risk Assessment

Type 1–4 FRAs for blocks, HMOs, care settings & commercial. Most of our emergency lighting work starts from an FRA action plan.

See the FRA service →

Fire Alarm Systems

BS 5839-1 / BS 5839-6 design, install, commission, service. Cause-and-effect integration with our emergency lighting scheme where AOV, door hold-open or maintained-mode demands it.

See the fire alarm service →

Fire Door Inspection

FDIS-compliant inspection to BS 8214 / BS 476-22. Emergency lighting schemes frequently reveal flat-entrance-door gaps to escape corridors, we inspect, remediate, certify.

See the inspection service →

Fire Door Installation

FD30S & FD60S doorset supply and fit. Bundled with new EL schemes where fire-strategy compartmentation demands replacement as well as illuminated escape-route marking.

See the installation service →

Fire Door Maintenance

Quarterly and 6-monthly maintenance programmes synced with BS 5266 monthly EL tests, one visit, two trades, one log entry.

See the maintenance service →

Compliance Remedial Works

End-to-end remediation covering fire door, alarm, EL, EICR and HMO defects on one completion pack. The home for multi-discipline FRA action plans.

See remedial works →

Compliance Packages

Recommended

Bundled design + install + monthly/annual test contracts for landlords, HMOs, blocks and care. Best value across an EL & alarm portfolio.

See package pricing →

HMO Compliance

End-to-end HMO licensing & LACORS compliance. Pre-licensing audits, common-parts EL schemes and renewals.

See HMO compliance →
Frequently asked

Emergency lighting questions, answered in plain English

The twelve questions landlords, managing agents and care operators ask us most often. Bookmark this page, it’s the reference we send new clients before a survey.

Do I legally need emergency lighting in my HMO or rented property?

Emergency lighting is required wherever a Fire Risk Assessment carried out under the Regulatory Reform (Fire Safety) Order 2005 identifies that occupants could not safely reach a final exit if normal lighting failed. In practice this means: all HMOs with shared escape routes of more than one storey, all purpose-built blocks of flats with internal common parts, all care homes, all commercial premises, and any short-let with more than two storeys. The design standard is BS 5266-1:2016; the performance standard is BS EN 1838:2013 (minimum 1 lux on escape routes, 0.5 lux in open areas, 15 lux at high-risk task points).

What is the difference between maintained and non-maintained emergency lighting?

Maintained luminaires stay on whenever the building is occupied, typically used for exit signs and in public-facing commercial premises so the sign is always visible. Non-maintained luminaires only illuminate when the normal lighting circuit fails, and are typical in stair cores, HMO landings and office corridors. Combined (sustained) luminaires include both modes in a single fitting. BS 5266-1 sets no preference; the designer chooses based on occupancy pattern and the fire strategy.

How often does emergency lighting need to be tested in the UK?

BS 5266-1:2016 Clause 12 requires two tests: (1) a monthly short-duration functional test (“flick test”) lasting long enough to verify every luminaire illuminates on simulated mains failure; and (2) an annual full-duration discharge test proving every luminaire sustains the rated 3-hour duration at photometric compliance. The annual test should be scheduled so normal lighting is restored before the building is occupied outside daylight hours. Every test must be logged in the BS 5266 log book and signed off by a competent person. See the Test Intervals section above for the full schedule.

What lux levels does BS EN 1838 require for emergency lighting?

BS EN 1838:2013 sets three minimum horizontal illuminance levels: (1) Escape route, minimum 1 lux on the centre line and 0.5 lux across at least half the width of the route; (2) Open area (anti-panic) lighting, minimum 0.5 lux on the floor of the empty core area; (3) High-risk task area, minimum 15 lux, or 10% of the normal task illuminance (whichever is greater), sustained for as long as the risk persists. The standard also caps the uniformity ratio at 40:1 (max:min) on escape routes.

Do I need a 1-hour or 3-hour emergency lighting system?

BS 5266-1 recommends 3-hour duration for most premises where occupants may be unfamiliar with the layout, for all sleeping-risk premises (hotels, HMOs, care homes, hostels), and for all premises that could still be in use after normal working hours. 1-hour duration is only acceptable where the building will always be fully evacuated within the first hour of an emergency and not re-occupied until the mains supply is restored, in practice, a narrow set of single-use commercial settings. The vast majority of London HMO, block, commercial and care-home schemes require 3-hour duration.

Self-contained or central battery emergency lighting: which should I choose?

Self-contained luminaires have their own internal battery. They’re simpler to install, cheaper per fitting, and most HMOs, small commercial premises and blocks use them. Central-battery systems (CBS) feed all luminaires from a single centralised battery bank and are preferred for larger commercial schemes, prestige lighting installations where consistent fitting aesthetics matter, and high-temperature environments where individual battery life is reduced. CBS is also cheaper at scale (typically above ~80 luminaires). The choice affects lifecycle cost, maintenance regime and the commissioning certificate path.

How much does emergency lighting installation cost in London?

Costs are always survey-verified; typical ranges from our 2025–2026 London projects are: Single maintained exit luminaire (installed & commissioned) £95–£185. Small HMO scheme (escape-route coverage, 4–6 luminaires) £395–£950. Medium commercial scheme (10–25 luminaires, self-contained) £1,400–£4,200. Large commercial / central-battery scheme (40+ luminaires) £6,500–£25,000. Annual 3-hour duration test £145–£395 per visit depending on luminaire count. Monthly flick-test contract from £45–£120 per month. LED retrofit £65–£135 per fitting. Ranges exclude builder’s work, bespoke mounting and specialist finishes.

What is a self-test (addressable) emergency lighting system?

Self-test luminaires carry out their own monthly functional test and annual 3-hour duration test automatically, reporting pass/fail to a central panel (or wirelessly). BS EN 62034 is the governing product standard. The advantages are guaranteed test execution (no missed intervals), a full auto-logged test history for insurance and licensing audits, and reduced engineer time. The trade-off is a higher upfront luminaire cost and (for centralised addressable systems) the need for a separate test panel. Most managing agents, care-home operators and HMO portfolios with 20+ luminaires now specify addressable as standard.

My annual 3-hour test failed. What happens next?

A failed 3-hour test means one or more luminaires did not sustain the rated duration at photometric compliance. The cause is usually one of four: (1) battery at end of life, typical rated life 4–5 years for sealed NiCd/NiMH, manufacturer data varies; (2) LED driver / lamp failure; (3) wiring / circuit fault; (4) fitting not connected to the normal lighting supply it is meant to monitor. We triage the failed report within 2 hours, attend site within 48 hours for a fixed-price remedial survey, and issue the remedial scope with a new BS 5266 certificate inside 5 working days. Most single-fitting fixes are same-visit. See the Test Failure Causes primer above.

Who can legally install and commission emergency lighting in the UK?

BS 5266-1 requires a competent person to design, install, commission and maintain the system. Recognised third-party competency schemes include NICEIC Approved Contractor and NICEIC Domestic Installer, ICEL (Industry Committee for Emergency Lighting) membership, LIA (Lighting Industry Association) membership and BAFE SP203 for integrated fire-and-life-safety schemes. The Regulatory Reform (Fire Safety) Order 2005 places the legal duty on the Responsible Person to ensure a competent specifier is used; failing to do so is a criminal offence.

Can you integrate emergency lighting with fire alarm cause-and-effect?

Yes. Emergency lighting can be integrated with a BS 5839 fire alarm system so that detector activation triggers full-output illumination on maintained escape-route luminaires or triggers specific anti-panic lighting in high-risk zones. This is common in care homes (progressive horizontal evacuation strategies), complex commercial premises, and Higher Risk Buildings under the Building Safety Act 2022. Because HSE Property Checks designs and commissions both fire alarm and emergency lighting under one team, the cause-and-effect matrix is delivered seamlessly, no interface gap between subcontractors.

Do you cover emergency lighting for care homes and CQC-registered premises?

Yes. Care homes, supported living and nursing homes typically require BS 5266-1 schemes with full escape-route coverage, anti-panic lighting in communal open areas, high-risk task lighting in medication rooms and kitchens, and evacuation-strategy-aligned luminaire placement where progressive horizontal evacuation is used. We deliver the full CQC Regulation 12 (safe care and treatment) and Regulation 15 (premises and equipment) evidence pack with every care-home installation, including PEEPs-aligned design, addressable self-test preference and annual 3-hour test certification.

How long do emergency lighting batteries last and how much does replacement cost?

Sealed NiCd and NiMH battery packs in self-contained luminaires are rated for 4 to 5 years under normal ambient (25°C). High-temperature locations (plant rooms, kitchens, ceiling voids above recessed heaters) roughly halve that life, BS 5266-1 Annex F guidance. Newer LiFePO4 chemistries (common in self-test addressable luminaires) typically reach 7 to 10 years. Replacement cost ranges from £45 to £95 per fitting including on-site re-commissioning and a new BS 5266 certificate, with WEEE disposal documentation for the old pack. Portfolio operators usually batch replacements at the 4-year service visit to avoid an emergency programme after a failed annual 3-hour test.

Central battery system or self-contained luminaires: which is cheaper over the lifecycle?

Self-contained luminaires are cheaper to install per fitting (each contains its own battery) and dominate HMO, small commercial and block schemes. Central Battery Systems (CBS) feed every luminaire from a single centralised cabinet using BS EN 50171 equipment. CBS is typically cheaper over a 20-year lifecycle above approximately 80 luminaires, because you replace one battery bank every 8–10 years rather than 80 individual cells every 4–5 years, and the battery bank runs cooler in a dedicated plant room, extending its life. CBS also delivers uniform aesthetic (important for prestige commercial schemes), single-point monitoring, and no per-luminaire charging circuit, trading off against higher capital cost, dedicated plant-room space, and sub-mains cabling to every fitting. For schemes below ~80 luminaires, self-contained is almost always cheaper over the full lifecycle.

Design, install, test, one team

Book Your BS 5266 Emergency Lighting Survey

We respond within 2 hours. Fixed-price site survey on site within 48 hours. ICEL-aligned design pack with photometric compliance drawing within 5 working days. Every installation closes with a BS 5266 commissioning certificate, photometric schedule, annual 3-hour test record and log book, ready for council, CQC, FRA and insurer review.

  • BS 5266-1 · BS EN 1838 · BS EN 50172 · BS EN 62034 compliant
  • NICEIC Approved Contractor · ICEL-aligned design
  • Design, install, commission, test, retrofit & remedial, all in-house
  • Integrates with fire alarm, fire doors, EICR & HMO works
  • 12-month workmanship warranty & digital log book
  • all 32 London boroughs & Home Counties
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Key terms used on this page

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