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London & Surrounding Areas
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East London · Essex · North London
Same-Day EICR Certificates
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Romford · Ilford · Barking · Hainault · Chigwell
Consumer Unit Replacement
Part P Compliant
We Answer at 3am
Fully Insured
1-Hour Emergency Response
12-Month Guarantee
100+ Five-Star Reviews
NAPIT Registered
London & Surrounding Areas
24/7 Emergency Cover
East London · Essex · North London
Same-Day EICR Certificates
NICEIC Engineers Available
Romford · Ilford · Barking · Hainault · Chigwell
Consumer Unit Replacement
Part P Compliant
We Answer at 3am
Fully Insured
1-Hour Emergency Response
12-Month Guarantee
100+ Five-Star Reviews
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🕑 4 min read👤 Written by Niaz, NAPIT-registered electrician📅 Updated 2026
Your EICR has come back with a C1 or C2. Here's exactly what those codes mean, what you're legally required to do, and the deadlines you cannot miss.
⚠ THIS IS WHAT HAPPENS WITHOUT AN EICR
This property had no electrical inspection for over 30 years. The client said exactly what we hear regularly: "It's been fine for years, it doesn't need checking."
The service head failed. The result was a house fire.
An EICR would have flagged this as a C1 — immediate danger — and prevented it entirely. A certificate costs far less than a rebuild, an insurance claim, or a life.
How often do you need an EICR? →
WHAT DO THE CODES MEAN?
- C1 — Danger Present: Risk of injury — immediate action. The electrician may disconnect supply on the day.
- C2 — Potentially Dangerous: Urgent remedial action required within 28 days.
- C3 — Improvement Recommended: Not dangerous. Does not cause a fail on its own.
- FI — Further Investigation: Something needs investigating before a verdict can be reached.
Important: An EICR is only Satisfactory if there are no C1, C2 or FI codes. Any of these = Unsatisfactory = legal obligation to act.

Niaz from MN Electrical — NAPIT-registered electrician serving London and Essex. Call 07424 677297.
YOUR LEGAL OBLIGATIONS AS A LANDLORD
- All C1 and C2 remedial work completed within 28 days
- Written confirmation obtained from the electrician
- Copy supplied to your tenant within 28 days
- Copy supplied to local authority within 7 days if requested
WHAT IF YOU DON'T FIX IT IN TIME?
- Local authority can issue a remedial notice
- Council can arrange the work and recover full cost from you
- Fines up to £30,000 per offence
- Landlord insurance may be invalidated

Consumer unit replacement — full RCBO, 100A main switch, EBS certified. MN Electrical.
MOST COMMON REMEDIAL ISSUES WE FIX
- No RCD protection — consumer unit upgrade to full RCBO standard
- Damaged or deteriorated wiring — partial or full rewire
- Inadequate earthing or bonding
- Overloaded circuits
- DIY wiring not meeting current regulations
GOT A FAILED EICR?
We carry out EICR remedial work across all RM, IG, E and N postcodes. Fixed written quote before we start, same-day work in most cases.