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
ZJ Electrical Services
Forest, London
Electrician, NICEIC5.083 reviews
A.M Electrical
Noel Park, London
Electrician5.035 reviews

S.J Taylor Electrical
Great Warley
Electrician

Sparky City Ltd
Camden, Holborn
Electrician, NAPIT

Champion Electrics Ltd
Camden, London
Electrician, NAPIT5.046 reviews

Hoxton Electric Ltd
Camden, London
Electrician, NAPIT5.07 reviews

NCS Electrical Call Out Services Ltd
Hoxton West, London
Electrician, NAPIT5.026 reviews

Phoenix Electricians Ltd
Hoxton West, London
Electrician, NAPIT4.940 reviews

House Rescue Electrical
Islington, London
Electrician, NICEIC5.0183 reviews

Envy Electrical
Bunhill, London
Electrician, NICEIC

One Zero Electrical Ltd
Bunhill, London
Electrician, NAPIT

FixMyGroup Ltd (trading as FixMyElectrics.com)
Barnsbury, London
Electrician, NICEIC5.027 reviews

Girit Electrical Services Ltd
Hackney, London
Electrician, NAPIT5.029 reviews

Kay Electrical & Security Ltd
Islington, London
Electrician, NICEIC

Core Electronic Engineers Ltd
West End, London
Electrician, NICEIC

GRDS Electrical Solutions
Tufnell Park, London
Electrician, NICEIC

AIM Electrical Services
Primrose Hill, London
Electrician, NICEIC4.822 reviews

D&I ELECTRICAL MAINTENANCE LTD
Church Street, London
Electrician, NICEIC

Cole Electric Limited
Vauxhall, London
Electrician, NICEIC4.9139 reviews

Loring Electrical
Bethnal Green East, London
Electrician, NAPIT5.050 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.