The codes on an EICR are not opinions, they are classifications with defined meanings. Understanding them stops both unnecessary panic and unnecessary spending, and helps you challenge a report that seems to over-code routine findings.
The four codes
C1 and C2 make a report unsatisfactory. C3 does not. FI means the inspector could not conclude and further work is needed to decide.
- C1 — danger present, risk of injury, immediate action required
- C2 — potentially dangerous, urgent remedial action required
- C3 — improvement recommended, not a failure
- FI — further investigation required without delay
Common findings and their usual codes
No RCD protection on socket circuits, missing or undersized main bonding, and damaged accessories with exposed conductors typically attract C2. A rewireable fuse board in otherwise sound condition often attracts C3. Context matters, which is why a good report explains the observation rather than just listing a code.
What to do with an unsatisfactory report
Get the C1 and C2 items quoted and completed, then obtain confirmation that the remedial work is done. For rented property this is a legal timeline, not a suggestion. C3 items can be planned into future work at your own pace.
Common questions
- Does one C2 fail the whole report?
- Yes, any C1 or C2 makes the overall assessment unsatisfactory until remedied.
- Can I get a second opinion?
- Absolutely, and a reasonable inspector will not object to their observations being reviewed.
- Do I have to fix C3 items?
- No. They are recommendations for improvement, not defects.
- Who can do the remedial work?
- Any competent electrician; it does not have to be the inspector, and you will want the work certified.
Send us an existing report and we will explain the coded items in plain English and quote only what needs doing.
Related guides
- What Happens During an EICRAn EICR is a structured assessment, not a look around — and knowing the routine makes the day easier.
- Landlord Electrical Duties and the Five-Year EICRRented property has a defined inspection cycle and a defined deadline for remedial work.
- Electrical Checks Before You Buy a HouseA homebuyer survey will note the electrics; it will not test them.