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Electrical fault finding

Tracing why a circuit trips, a light flickers or a socket is dead, charged by the hour because the time depends on what is found. Electrical fault finding is also known as fault finding, electrical diagnostics, tracing a fault and tripping electrics. All 498 businesses are electricians, with 305 in London, 19 in Bristol, 16 in Leeds, 10 in Birmingham and 10 in Southampton. Electrical fault finding cost guide

Why people have it done

  • The cause is traced rather than guessed at, so the repair meets what is actually wrong.
501
Electricians listed
441
Register-listed
4
Claimed profiles
47
Areas covered
£45–£60
Typical UK price / hour
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What needs fixing?

Tell us what's wrong. We'll tell you the price, then find a local electrician to do the job.

Electricians who do electrical fault finding

Worth knowing

  • The work resolves problems including No Power In One Room, RCD Keeps Tripping, Lights Flickering In The Whole House, Fuse Box Buzzing Or Humming, Burning Plastic Smell From Electrics, Sparks When Plugging Something In, Electric Shock From Light Switch and Socket Not Working.
  • Ratings run from 2.9 to 5.0, with a median rating of 5.0 across 383 rated businesses. The most-reviewed business has 725 reviews, and there are 12589 reviews in total.
  • The register figures include 329 businesses registered as installers and 158 registered as inspectors. Scheme figures include 258 with NICEIC, 131 with NAPIT, 49 with Part P and 2 with REFCOM.
  • London's leading borough counts are 24 in Enfield, 23 in Croydon, 21 in Barnet, 20 in Bromley and 13 in Havering.
  • The businesses also offer consumer units, EICR, rewires, EV chargers, lighting, partial rewire, emergency callouts and socket installation, alongside 29 other services.
  • There are 496 businesses with their own website. Companies House records show 143 active companies incorporated between 1991 and 2025, with a median year of 2018.

Common problems

Where we cover

London

Questions people ask

Electrical fault finding UK (page 23) | Tradehand