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

Parchment Electrical
Thamesfield, London
Electrician, NICEIC4.515 reviews

VAL Electrical Limited
Hammersmith Broadway, London
Electrician, NICEIC5.01 review

LC Electro Ltd
Thamesfield, London
Electrician, NAPIT5.066 reviews

City Bright Electrics
Maryland, London
Electrician, NICEIC5.01 review

Sparkitz Ltd
Golders Green, London
Electrician, NAPIT

Cardwell Electrical London Ltd
Ladywell, London
Electrician, NAPIT4.935 reviews

LightHouse Engineering Ltd
Dollis Hill, London
Electrician, NICEIC5.031 reviews

Rad Property Solutions Ltd
Dollis Hill, London
Electrician, NICEIC4.230 reviews

Ifix Electrics Ltd
East Acton, London
Electrician, NICEIC5.081 reviews

P&J Electrical Services Ltd
Royal Victoria, West Silvertown
Electrician, NAPIT5.03 reviews

C D I Electrical Services Ltd
New Southgate, London
Electrician, NICEIC5.02 reviews

Taylor & Taylor Developments Ltd
South Balham, Balham
Electrician, NAPIT

GES Electrical Services Ltd
Friern Barnet, London
Electrician, NAPIT5.08 reviews

OS Electrical Safety Ltd
Roundwood, Willesden
Electrician, NAPIT5.042 reviews

Aqua Max Plumbing Heating & Electrical Ltd
Thamesfield, London
Electrician, NICEIC

Baltic Electric Ltd
South Balham, London
Electrician, NAPIT

Ripple Electrics Ltd
Forest Hill, Lewisham
Electrician, NAPIT4.953 reviews

A Phillip Electrical
Ladywell, London
Electrician, NICEIC4.621 reviews

Abode Electrical
Southfields, London
Electrician, NICEIC5.01 review

BSC Electrical and Heating Services Ltd
West Hill, London
Electrician, NAPIT4.917 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.