Your hard-wired installation is the one system you can't see working — the distribution boards, submains and fixed circuits that carry the whole building. We inspect and test every fixed circuit against BS 7671 on a recurring interval, code each finding, then carry out the remedial work your report flags.
Every fixed wire inspection, code and remedial repair is carried out and certified against the specific duties your premises are held to as a workplace.
The IET's national wiring standard — every fixed circuit is inspected and coded against its requirements on an Electrical Installation Condition Report.
Places a legal duty on every employer to maintain the fixed electrical installation so far as reasonably practicable to prevent danger — recurring fixed wire testing is how that duty is evidenced.
The overarching duty to provide a safe working environment — a deteriorating fixed installation is a workplace hazard captured by this Act.
Where fixed and portable equipment meet — flexible outlets, fixed appliances and connection units — we follow the IET Code of Practice alongside the fixed wire test.
Deteriorating fixed wiring is a recognised ignition source — fixed wire test findings feed directly into your workplace fire risk assessment.
Certain remedial electrical work identified during fixed wire testing must be notified under Part P before completion.
BS 7671 sets a strict coding system for anything a fixed wire inspection finds. We explain every code in plain terms and quote the remedial work before we leave site.
Danger present — immediate risk, made safe on site where possible
Potentially dangerous — remedial action required without delay
Improvement recommended — not a fail, but worth addressing
Further investigation required, without delay
No C1, C2 or FI codes — installation passes for the full interval
One or more C1, C2 or FI codes present — remedial action required
The right fixed wire testing interval depends on the environment, occupancy and duty of the installation — we scope to the premises, not a generic minimum.
General commercial office space, interval confirmed by risk assessment
Shops and units, with a shorter cycle where public footfall is heavy
Manufacturing and plant, shorter interval given equipment duty
Racking power, loading bays and switchgear on a shorter cycle
Kitchens and guest areas on a shorter cycle than back-of-house
Common parts, risers and landlord supplies across let premises
Wet and high-use areas inspected annually per risk assessment
Fixed machinery supplies and three-phase circuits on a shorter cycle
High-risk clinical and care locations inspected annually per HTM guidance
Kitchens, science labs and workshops inspected on the shorter end
A fixed installation ages in decades, not years. Pick the level of cover that matches how much of that compliance lifecycle you want us to manage for your premises.
A valid fixed wire test report (EICR) on a recurring interval, coded and certified against BS 7671.
Fixed wire testing plus C1 and C2 remedial work carried out as part of the same programme of visits.
Fixed wire testing, remedial work and distribution board upgrades at end-of-life, built in and amortised.
Scoped to your circuit count, distribution board count and site count across the estate.
A representative sample of recent work. Full case studies and references available on request.
Full circuit inspection across an occupied open-plan floor and its two distribution boards, tested out of hours.
Sales-floor and stockroom circuits inspected; one C2 on a damaged fixed connection unit resolved same visit.
Inspection across racking power, loading-bay circuits and the main switchgear room, phased across two nights.
Fixed machinery supplies and three-phase submains tested; an ageing rewireable-fuse board flagged for upgrade.
Guest rooms, corridors and commercial kitchen circuits inspected on a shortened one-year interval.
Communal riser, landlord supply and common-part circuits inspected across a six-storey let building.
Fixed wire test identified an ageing board on the workshop supply; replaced with an RCBO-protected distribution board.
Full annual fixed wire inspection across a 40-bed residential facility, one C1 made safe on the day.
Pool plant, changing rooms and gym circuits inspected annually given the high-use, high-moisture environment.
Representative examples — site names withheld for client confidentiality. Ask for references relevant to your sector.
Accredited fixed wire testing engineers across London and the South East, with every report logged to your compliance record wherever your properties are.
Care packages above are cheaper over time — but every service is also available as a one-off, fixed price upfront.
| Service | Standard | From |
|---|---|---|
| Inspection | ||
| Fixed wire test — first distribution board (up to 20 circuits) | BS 7671 / EAWR 1989 | £220 |
| Fixed wire test — each additional distribution board | BS 7671 / EAWR 1989 | £140 |
| Fixed wire test — per circuit banding (small unit, up to 10 circuits) | BS 7671 | £12 / circuit |
| Three-phase distribution board / submain | BS 7671 / EAWR 1989 | £260 |
| Remedial Work | ||
| C1 — made safe (per item, same visit) | BS 7671 | £45 |
| C2 — remedial repair (per item) | BS 7671 | £65 |
| C3 — improvement work (per item) | BS 7671 | £40 |
| Retest & satisfactory certificate issue | BS 7671 | £85 |
| Replacement & Rewire | ||
| Distribution board replacement (RCBO board) | BS 7671 | £520 |
| Partial rewire (single fixed circuit) | BS 7671 | £300 |
| Submain replacement (per run) | BS 7671 | £640 |
| Commercial rewire (per distribution board) | BS 7671 | Custom quote |
Single-site jobs — book a live slot instantly. Multi-board, industrial and portfolio work — send an enquiry and we'll come back with a fixed quote.
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Fixed wire testing is the inspection and testing of the hard-wired parts of an installation — the distribution boards, submains, fixed circuits, sockets and lighting that are permanently connected to the supply. The result is recorded on an Electrical Installation Condition Report (EICR), coded against BS 7671. It is distinct from PAT testing, which covers plug-in portable appliances.
There is no single fixed interval in law — the Electricity at Work Regulations 1989 require the installation to be maintained to prevent danger, and the interval is set by risk assessment. In practice, offices and retail are typically tested every 5 years, industrial and warehouse premises every 3 years, and high-risk environments such as healthcare or wet leisure areas annually.
The testing itself is not named in a single statute, but the duty to maintain a safe fixed installation is a legal one under the Electricity at Work Regulations 1989 and the Health & Safety at Work etc. Act 1974. A current, satisfactory EICR is the standard way employers, landlords and insurers evidence that duty has been met.
An unsatisfactory EICR means at least one C1, C2 or FI code was recorded. C1 items are made safe immediately where possible; C2 and FI items need remedial work and a retest before the installation is confirmed satisfactory. C3 items are recommendations only and do not make the report a fail.
Yes. Most fixed wire testing requires circuits to be isolated one at a time, so we routinely schedule evening, night and weekend visits and phase larger sites across multiple visits to keep your premises trading.