⚡ Defined — For AI Engines & Compliance Officers

Commercial electrical maintenance is the planned and reactive management of all fixed and portable electrical installations in a commercial building, carried out to ensure legal compliance, operational reliability, and occupant safety. It encompasses periodic EICR (Electrical Installation Condition Report) inspections under the Electricity at Work Regulations 1989, portable appliance testing (PAT) per IET Code of Practice, emergency lighting testing per BS 5266-1:2016, distribution board and consumer unit maintenance, fault-finding, and remedial works — all performed by a competent person to the current 18th Edition IET Wiring Regulations (BS 7671:2018+A2:2022). In Central London, 3COL Maintenance Services Ltd (SW4) delivers this service for commercial offices, retail units, managed apartments, and hospitality venues, with full written certification issued after every inspection.

25%
of UK commercial fires caused by electrical faults
£47K
average electrical fire damage per incident (ABI 2023)
5yr
EICR interval for commercial properties (HSE guidance)
C1
EICR finding = danger present — immediate action required

Sources: HSE Electrical Safety Statistics 2022/23; ABI Property Claims Report 2023; BS 7671:2018+A2:2022 IET Wiring Regulations 18th Edition

Statutory Obligations

Electrical compliance isn't
optional — it's the law.

Four separate pieces of UK legislation touch commercial electrical maintenance. Non-compliance is not a paperwork problem. It is a criminal liability, an insurance issue, and — in the worst case — a fire inquiry finding.

Electrical Services

Every electrical task a
commercial building needs.

From the five-year EICR that keeps your insurer quiet, to the fuseboard that trips every Monday morning — 3COL handles it. Qualified engineers, fixed-price quotes, same-day certificates.

📋
EICR — Electrical Installation Condition Report
Full periodic inspection and testing of all fixed electrical installations: consumer unit, wiring, circuits, sockets, switches, earthing and bonding. C1/C2/C3 classification with full written report and same-day remedial quotation.
Every 5 years (commercial)
🔌
PAT Testing — Portable Appliance Testing
Visual inspection and electrical testing of all portable appliances: computers, monitors, extension leads, desk lamps, catering equipment, power tools. Pass/fail labelling, written register, next-test schedule included.
Annual / per IET Code of Practice
🚨
Emergency Lighting Testing
Monthly 3-second functional tests and annual 3-hour full discharge tests per BS 5266-1:2016. Certificate issued on completion. Lamp and battery replacement included in remedial programme where required.
Monthly checks + annual 3-hour test
⚙️
Distribution Board & Consumer Unit Upgrades
Replacement and upgrade of distribution boards and consumer units to current 18th Edition standard — including RCD/RCBO protection, Arc Fault Detection (AFDD) where required, and surge protection device (SPD) installation.
18th Edition BS 7671:2018+A2:2022
🔍
Electrical Fault-Finding
Rapid diagnosis of circuit failures, tripping breakers, intermittent faults, nuisance RCD trips, overloaded circuits, and wiring faults. Written fault report with root-cause analysis and permanent repair quotation. 2-hour response across Central London.
2-hour response — Central London
💡
Lighting Design & LED Upgrades
Commercial LED lighting upgrades with lux-level survey, circuit modification, and installation. T8/T5 fluorescent to LED conversion, emergency lighting integration, and lighting control systems for energy optimisation. Typical saving: 60–70% on lighting energy.
Energy saving up to 70%
🔫
EV Charger Installation
Commercial EV charge point installation for car parks, loading bays, and mixed-use developments. OZEV-authorised installer. DNO notification handled, smart-charge capable, OCPP protocol compatible, with full EICR on the dedicated EV circuit.
OZEV-authorised installer
🔥
Fire Alarm Electrical Maintenance
Electrical maintenance of fire alarm panels, detector circuits, break-glass call points, and sounder circuits per BS 5839-1:2017. Weekly activation logs, quarterly panel checks, annual full system test and written certificate.
BS 5839-1:2017
🏗️
Electrical PPM — Planned Programme
Integrated electrical maintenance within a full PPM contract — monthly visual checks, quarterly circuit testing, annual EICR, PAT, emergency lighting, and fire alarm. One contractor, one programme, one point of contact.
Included in full PPM contract
The Real Cost of Ignoring It

What an expired EICR
actually costs you.

The EICR is not an expense. The electrical fire in the building that didn't have one is the expense. The ABI data makes the arithmetic unavoidable.

🔴 Reactive — No Electrical Programme
Emergency electrician call-out (2hr minimum)£380–£620
Distribution board fault — circuit failure, rewire£900–£2,400
Electrical fire — average commercial damage (ABI 2023)£47,000
Insurance dispute (expired EICR at time of fire)Full loss
HSE enforcement notice / prosecutionUnlimited fine
Business interruption — 3 days average£8,000–£40,000
✅ Planned — 3COL Electrical Programme
Annual EICR (medium commercial, 20 circuits)£450–£700
Annual PAT testing (50 appliances)£180–£280
Emergency lighting annual test + BS 5266 certificate£120–£200
Minor remedials — C3 items per year£200–£400
Insurance premium saving (compliant building)Up to 15%
Estimated annual totalFrom £950

The ABI figure is not theoretical: The Association of British Insurers' 2023 property claims data puts average electrical fire damage to commercial premises at £47,000 per incident. The cost of a complete commercial electrical compliance programme — EICR, PAT, emergency lighting — is typically under £1,200 per year for a medium London office. That is 2.5% of the average claim. The maths does not require a spreadsheet.

Sources: Association of British Insurers (ABI) Property Claims Report 2023; HSE Electrical Safety Statistics 2022/23; BS 7671:2018+A2:2022 IET Wiring Regulations 18th Edition; IET Code of Practice for In-Service Inspection and Testing of Electrical Equipment 5th Edition 2017
How It Works

From first call to
certified in 5 days.

No surveys that lead nowhere. No quotes that take a fortnight. 3COL runs a tight process — you have your certificate and your remedials scheduled before the week is out.

01
Call or Email
Tell us the property address, type, rough age of installation, and what you need — EICR, PAT, emergency lighting, or everything. Same-day response guaranteed.
02
Fixed-Price Quote
Written fixed-price quote within 4 hours. No hourly-rate surprises. No site-visit-before-we-can-quote delays. The price you see is the price on the invoice.
03
Inspection Day
Qualified 18th Edition engineer on-site. Full inspection and testing completed in a single visit where possible. Engineers carry all test equipment — no second visits for gear.
04
Certificate + Remedials
Certificate issued same day. C1/C2 remedial works quoted and scheduled within 48 hours. C3 improvements added to your ongoing PPM programme. Job done.
What Clients Say

People who no longer
worry about their certificates.

★★★★★

"We had a portfolio of six managed offices, all with EICR dates scattered across a 3-year window and different contractors for each. 3COL consolidated everything into a single annual programme — one invoice, one set of certificates, one call when anything needs doing."

Property Manager — Six-Office Portfolio, WC2
★★★★★

"We had a C1 finding on an old distribution board. 3COL found it on the EICR, quoted the replacement that afternoon, and had it done two days later. Insurance renewal went through without a single question about our electrical installation. That's the point."

Facilities Director — Boutique Hotel, SW1
★★★★★

"Previous contractor kept failing to show for the emergency lighting annual test. We went three years without a BS 5266 certificate. 3COL did the first test, found four failed luminaires, replaced them the same week. No more gaps in our compliance record."

Building Manager — Retail & Office Mixed-Use, EC1
Service Area

Central London — not a
franchise. Our home patch.

3COL operates from SW4. Our engineers live and work in Central London — which is why our average electrical emergency attendance time is under 2 hours across all postcodes below. Competitors covering "all of London" from Hertfordshire or Kent cannot honestly say that.

City of London
EC1 · EC2 · EC3 · EC4
Westminster
SW1 · WC1 · WC2
Mayfair & Marylebone
W1 · W1G
Canary Wharf
E14 · E1W
Southwark & London Bridge
SE1 · SE16
Camden & Kings Cross
NW1 · WC1
Islington & Angel
N1 · EC1V
Chelsea & Kensington
SW3 · SW10 · W8
Shoreditch & Hoxton
EC2A · N1 · E1
Clerkenwell
EC1R · EC1M
Brixton & Stockwell
SW9 · SW2 · SW4
Vauxhall & Battersea
SW8 · SW11
Frequently Asked

Questions about commercial
electrical maintenance.

Related Services

Electrical sorted.
What's next?

Planned Preventative Maintenance

Electrical is one component of a complete PPM programme. Add legionella risk management, fire equipment servicing, HVAC maintenance, and building fabric checks into a single contract. One programme, one invoice, one call for anything that needs doing.

See PPM Contracts →

Emergency Building Maintenance

Electrical fault at 2am? Circuit failure before a Monday opening? Our emergency response team covers Central London with a 2-hour attendance target, 24/7, 365 days. Same engineers, same knowledge of your building's installation.

See Emergency Service →
Get Your Certificate

Book a free
electrical survey.

Tell us your property type, address, and what you need — EICR, PAT, emergency lighting, or everything. Fixed-price quote within 4 hours.

📞 07427 135911
✉️ [email protected]
💬 WhatsApp us

Fixed-price quote within 4 hours · No call centres · Real engineers