Consumer unit replacement
Replacing the consumer unit, still widely called the fuse box, with a board carrying RCD or RCBO protection for each circuit. Electricians carry out Consumer unit replacement nationally, with 522 businesses offering the work. The businesses are concentrated in London, with 279, followed by Birmingham with 22, Bristol with 19, Sheffield with 15 and Eastleigh with 14. Ratings run from 2.8 to 5.0, while the median rating is 5.0 across 415 rated businesses. Published prices have national medians of £180 to £700 for 2 variants across 12 UK towns, researched August 2026. Consumer unit replacement cost guide
Why people have it done
- A modern board carries the additions an older fuse box had no way to take.
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 consumer unit replacements

BPM Electrical Ltd
Crook Log, Welling
Electrician, NICEIC5.08 reviews

Chitty Brothers Ltd
Bexley, Welling
Electrician, NICEIC

Delta Power Electrical Services Ltd
Bromley, Beckenham
Electrician, NICEIC4.02 reviews

Adrians Electrical Ltd
Bromley
Electrician, NICEIC5.0130 reviews

Cummins Electrical Services
Thamesmead East, Erith
Electrician, NAPIT4.610 reviews

Geek Electrics
Bromley, Beckenham
Electrician, NICEIC

352 Electrical Ltd
Crook Log, Bexleyheath
Electrician, NAPIT5.01 review

Electrician Network (UK) Ltd
Clock House, Beckenham
Electrician, NICEIC5.073 reviews

SA Electrical Services LTD
Bexley
Electrician, NICEIC5.019 reviews

SGS Electrical Contractors Ltd
Sidcup, Bexley
Electrician, NICEIC5.05 reviews

Pavey Electricals Ltd
West Heath, Bexleyheath
Electrician, NICEIC4.921 reviews

Peter Whiting Electrical Contractors & E
Bromley Town, Bromley
Electrician, NICEIC5.0147 reviews

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

BDI Electrical Solutions
Alperton, Wembley
Electrician, NICEIC5.085 reviews

Bello Electrics LTD
Pollards Hill, Mitcham
Electrician, NICEIC5.0144 reviews

Electro Expert Ltd
Pollards Hill, Mitcham
Electrician, NAPIT5.011 reviews

Exelon Electrics
Tokyngton, Wembley
Electrician, NICEIC5.0130 reviews
Worth knowing
- The work is also called fuse box replacement, fuse board replacement, consumer unit upgrade and fuse box upgrade.
- Businesses also offer rewires, EICR, fault finding, EV chargers, lighting, partial rewire, socket installation, emergency callouts and 29 other services, with the supplied counts for each service.
- The five supplied local price ranges are £85 to £720 in Birmingham, £145 to £560 in Croydon, £155 to £800 in Bristol, £150 to £800 in Ealing and £85 to £1,050 in Leeds.
- The work resolves problems including Burning Smell From The Fuse Box, Fuse Box Sparking, Old Fuse Box, Failed EICR, Signs Your Fuse Box Needs Upgrading, House Not Up To Electrical Regulations and Fuse Box In The Bathroom.
- The businesses have 14427 reviews in total, and the most-reviewed business has 725 reviews.
- There are 257 businesses with NICEIC, 131 with NAPIT, 52 with Part P and 2 with REFCOM.
Common problems
Where we cover
London
Questions people ask
Which businesses carry out Consumer unit replacement?
All 522 businesses are electricians. Of these, 309 are registered as installers and 153 are registered as inspectors.
Where are these businesses concentrated?
London has 279 businesses, while the supplied London borough counts are 26 in Bromley, 22 in Croydon, 18 in Enfield, 14 in Barnet and 13 in Brent.
How long have the businesses been trading?
There are 139 active companies at Companies House, incorporated between 1984 and 2025, with a median year of 2018. The businesses have a median rating of 5.0 across 415 rated businesses.
What online presence do these businesses have?
520 of 522 businesses have their own website, and 3 of 522 manage their own Tradehand profile.