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.
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
SJG Electrical Contractors Ltd
Northumberland Heath, Erith
Electrician, NICEIC5.057 reviews
JR Boilers
South Richmond, Richmond
Electrician, NICEIC
Ato-Solutions1 Limited
Abbey, London
Electrician, NICEIC
OHMATIC ELECTRICAL LTD
Lavender Fields, Mitcham
Electrician, NICEIC5.082 reviews
Wimbledon Electrician Ltd
Village, West Wimbledon
Electrician, NICEIC4.959 reviews
SparkyWatts Limited
Hanger Hill, LONDON
Electrician, NAPIT
Eamon Electrical Ltd
Stonebridge, London
Electrician, NICEIC
Rose Electrical Installations Ltd
Brentford West, Brentford
Electrician, NICEIC5.01 review
The One Electrician Ltd
Figge's Marsh, Merton
Electrician, NAPIT4.975 reviews
A Sparks Electrical London Limited
Richmond upon Thames, Twickenham
Electrician, NAPIT
Westlon Electrical Limited
Walpole, West Ealing
Electrician, NICEIC5.02 reviews
Bello Electrics LTD
Pollards Hill, Mitcham
Electrician, NICEIC5.0144 reviews
Electro Expert Ltd
Pollards Hill, Mitcham
Electrician, NAPIT5.011 reviews
S E C Norbury Ltd
Croydon, London
Electrician, NICEIC4.912 reviews
QRL Electrical Ltd
Lower Morden, Morden
Electrician, NICEIC5.024 reviews
A2Z Electric Ltd
Highfield, London
Electrician, NICEIC5.0151 reviews
GH Electric
Southgate, London
Electrician, NICEIC5.05 reviews
Growfast Electrical Ltd
Bush Hill Park, London
Electrician, NICEIC5.02 reviews
LC Squared Electrical Contractors Ltd
Whetstone, London
Electrician, NICEIC5.019 reviews
PDSM Electrical Services Ltd
East Barnet, Barnet
Electrician, NICEIC5.016 reviews
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
Which trades carry out electrical fault finding?
All 498 businesses are electricians, and 329 are registered as installers while 158 are registered as inspectors.
Where are these businesses concentrated?
The largest city count is 305 in London, followed by 19 in Bristol, 16 in Leeds, 10 in Birmingham and 10 in Southampton. Within London, the counts include 24 in Enfield and 23 in Croydon.
What do businesses offering this work also provide?
304 also offer consumer units and 280 also offer EICR, while 279 also offer rewires and 198 also offer EV chargers. Other services include lighting, partial rewire, emergency callouts, socket installation and 29 other services. The businesses also resolve problems including No Power In One Room and RCD Keeps Tripping.
What published rating information is available?
Ratings run from 2.9 to 5.0, and the median rating across 383 rated businesses is 5.0. The most-reviewed business has 725 reviews, within a total of 12589 reviews.
Which schemes are represented?
There are 258 businesses with NICEIC and 131 with NAPIT, alongside 49 with Part P and 2 with REFCOM. The register figures include 440 of 498 on a trade register.
How long have some of the companies been trading?
Companies House records show 143 active companies incorporated between 1991 and 2025, with a median year of 2018. There are 496 businesses with their own website.