What does a failed EICR mean and how do I fix it – Advice from Electriman, North London Electricians

What a Failed EICR Means for You

An EICR (Electrical Installation Condition Report) is a formal inspection of your home's wiring, consumer unit, sockets, and earthing. When an electrician issues an Unsatisfactory result, it means faults were found that need fixing before your installation can be signed off as safe.

Understanding the Fault Codes

Your EICR will list faults using a coding system:

C1 – Danger Present: An immediate risk of injury or death. The electrician may disconnect the affected circuit on the spot. This must be fixed immediately.

C2 – Potentially Dangerous: Not an immediate threat but likely to become one. Must be rectified urgently, typically within 28 days for rental properties.

C3 – Improvement Recommended: Not a failure on its own, but best practice to address. Your overall report can still be Satisfactory with C3 codes only.

FI – Further Investigation Required: A fault suspected but not confirmed without further intrusive investigation.

Common Reasons for a Failed EICR

No RCD (Residual Current Device) protection on socket circuits or bathroom circuits

Consumer unit (fuse box) is old, damaged, or made from combustible plastic

High earth fault loop impedance — meaning faults won't disconnect quickly enough

Poor or missing earthing and bonding connections

Damaged, scorched, or deteriorated cables and accessories

No smoke detection or detection not meet

Need a qualified electrician in North London?

Electriman covers Mill Hill, Barnet, Finchley, Edgware, Enfield, Watford and surrounding areas. All work is Part P certified and fully insured.