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
QRL Electrical Ltd
Lower Morden, Morden
Electrician, NICEIC5.024 reviews
Giggawatt Electrical Contractors Ltd
Winchmore Hill, London
Electrician, NICEIC5.05 reviews
GH Electric
Southgate, London
Electrician, NICEIC5.05 reviews
LC Squared Electrical Contractors Ltd
Whetstone, London
Electrician, NICEIC5.019 reviews
PDSM Electrical Services Ltd
East Barnet, Barnet
Electrician, NICEIC5.016 reviews
George K Electrical Ltd
Bush Hill Park, Enfield
Electrician, NICEIC5.09 reviews
KAD Electricians Ltd
Oakwood, London
Electrician, NAPIT5.027 reviews
Solution Electric LTD
East Barnet, London
Electrician, NICEIC5.047 reviews
Era Electrical
Southbury, Enfield
Electrician, NICEIC5.027 reviews
FDH Services Ltd
Valley, London
Electrician, NICEIC5.01 review
Future Tek Ltd
Barnet, London
Electrician, NICEIC5.09 reviews
M C Smith Electrical Services
Southbury, Enfield
Electrician, NICEIC5.07 reviews
Top Sparks Electrical Services Ltd
Ridgeway, Waltham Cross
Electrician, NICEIC5.0364 reviews
SJ Electrical Contractors Ltd
Valley, London
Electrician, NICEIC5.022 reviews
See Light Ltd
Ponders End, Enfield
Electrician, NAPIT5.05 reviews
Ainsliewood Electrical Ltd
Larkswood, London
Electrician, NAPIT5.05 reviews
Airlectrics LTD
Waltham Forest, London
Electrician, NICEIC5.018 reviews
Lextrics Electrical Services Ltd
Larkswood, London
Electrician, NICEIC5.05 reviews
OJS Electrical Services
Town, Enfield
Electrician, NICEIC5.05 reviews
Abbotts Mechanical and Electrical Limited
Whitewebbs, Enfield
Electrician, NICEIC5.031 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.