The LedgerCert Blog

Plain-English guides and industry updates on UK fire, electrical and security compliance, written for the engineers on the tools.

New · Industry update

Plug-In Solar Is Now Legal in Britain. So Why Does the IET Say Call an Electrician?

A compliant product and a suitable home are two different checks. What the IET advises before buying, and what electricians should explain.

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Electrical

Are AFDDs Mandatory? The BS 7671 Rule Too Many Electricians Get Wrong

Yes, but only in HMOs, student lets, care homes and higher-risk buildings, and since 2022 not 2026. Where you must fit them, and where you can leave them out.

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Industry update

BS 7671 Amendment 4 (2026): What Electricians Need to Know

Battery storage, medical locations and the October changeover, plus a separate explanation of EAS competence requirements.

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Industry update

EICR Deadlines 2026: What Landlords Need to Know

Fines up to £40,000, the five-year renewal deadline, social housing requirements, and what happens if an EICR expires.

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Guide

EICR Codes Explained: C1, C2, C3 and FI

What each EICR code means in plain English, what to do about it, and whether your report passes or fails.

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