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

Ben Sheppard Electrics
Hengrove and Whitchurch Park, Bristol
Electrician, Part P5.092 reviews

Bristol Phoenix Group Ltd
Bishopsworth, Bristol
Electrician, Part P5.0123 reviews

Burridge Electrical
St George Troopers Hill, Bristol
Electrician, Part P

Cabot Electrical
Windmill Hill, Bristol
Electrician, Part P5.05 reviews

Carbon Electrical
Stockwood, Bristol
Electrician, Part P5.08 reviews

Colvetta Electrical Ltd
Bishopsworth, Bristol
Electrician, Part P5.045 reviews

DX Electrical Ltd
Kingswood and Fishponds
Electrician, Part P5.043 reviews

Fossebridge Electrical
Westbury-on-Trym and Henleaze, Bristol
Electrician, Part P5.05 reviews

GW Power Solutions
Bishopsworth, Bristol
Electrician, Part P4.961 reviews

Holts Electrical Contractors Ltd
Bishopsworth, Bristol
Electrician, Part P

Homesafe Electrical Ltd
Winford, Flax Bourton
Electrician, Part P5.057 reviews

I.A. Electrical
Easton, Bristol
Electrician, Part P5.025 reviews

J & Sons Electrical Services
Patchway Coniston, Patchway
Electrician, Part P5.076 reviews

MJN Electrical & Electronic Service
Brislington East, Bristol
Electrician, Part P5.0128 reviews

Precise Electrical
Kingswood and Fishponds
Electrician, Part P5.038 reviews

Ron Clark Electrical & Sons
Hillfields, Kingswood and Fishponds
Electrician, Part P4.26 reviews

Rook Electrical
Long Ashton
Electrician, Part P5.021 reviews

Shortman Electrical
Kingswood and Fishponds
Electrician, Part P5.016 reviews

Smarter Brighter Electrics
Bristol
Electrician, Part P

Sustainable Access Ltd
Keynsham East, Keynsham
Electrician, Part P5.07 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
No Power In One Room
One room in your home has completely lost power while the rest of the house works fine.
RCD Keeps Tripping? Common Causes & How to Fix It (2026)
Your RCD keeps tripping and cutting power to multiple circuits. This guide covers every common cause (from faulty appliances and moisture to wiring faults and nuisance tripping) plus exactly what to do about it.
Lights Flickering In The Whole House
Every light in your home is flickering or dimming at the same time: this affects the entire property.
Fuse Box Buzzing Or Humming
Your consumer unit or fuse box is making a buzzing or humming noise that was not there before.
Burning Plastic Smell From Electrics
A chemical, acrid, burning plastic smell is coming from your electrics.
Sparks When Plugging Something In
You see a brief spark or flash when you plug something into a socket.
Where we cover
Popular
- Electrical fault finding in London 305
- Electrical fault finding in Bristol 19
- Electrical fault finding in Leeds 16
- Electrical fault finding in Birmingham 10
- Electrical fault finding in Southampton 10
- Electrical fault finding in Sheffield 9
- Electrical fault finding in Liverpool 8
- Electrical fault finding in Basingstoke 7
London
- Electrical fault finding in Enfield 24
- Electrical fault finding in Croydon 23
- Electrical fault finding in Barnet 21
- Electrical fault finding in Bromley 20
- Electrical fault finding in Havering 13
- Electrical fault finding in Waltham Forest 13
- Electrical fault finding in Ealing 12
- Electrical fault finding in Lambeth 12
- Electrical fault finding in Bexley 11
- Electrical fault finding in Haringey 11
- Electrical fault finding in Redbridge 11
- Electrical fault finding in Sutton 11
- Electrical fault finding in Wandsworth 11
- Electrical fault finding in Brent 10
- Electrical fault finding in Hounslow 10
- Electrical fault finding in Lewisham 10
- Electrical fault finding in Camden 9
- Electrical fault finding in Richmond upon Thames 9
- Electrical fault finding in Merton 7
- Electrical fault finding in Hillingdon 6
- Electrical fault finding in Islington 6
- Electrical fault finding in Kingston upon Thames 6
- Electrical fault finding in Barking and Dagenham 5
- Electrical fault finding in Hackney 5
- Electrical fault finding in Hammersmith and Fulham 5
- Electrical fault finding in Tower Hamlets 5
- Electrical fault finding in Newham 4
- Electrical fault finding in Southwark 4
- Electrical fault finding in Westminster 4
- Electrical fault finding in Harrow 3
- All of London 305