Fuse board and consumer unit replacement in Balham
Old rewireable or plastic boards swapped for a modern metal RCBO unit, tested and certified.
From £550
supplied and fitted, up to 10 ways. Includes certification and Part P notification.
A Heaver Estate house is where consumer unit replacement stops being a routine job. Sixteen circuits means a large board and a full day, and the pre-testing regularly finds a legacy circuit from an old extension that nobody knew was still live. We price these after seeing the board rather than over the phone, because a 16-way with three unlabelled legacy circuits is a genuinely different job from a 10-way flat. Du Cane Court flats are more standard, but the intake position is communal and needs estate office access.
The property types we see in Balham
The Heaver Estate — the grid between Nightingale Lane and Balham High Road — is 1890s to 1900s, and unusually for inner London a high proportion has stayed as single family houses rather than being converted. That means big installations: 12 to 16 circuits, loft conversions, side-returns and basement digs, each added at a different time and often by a different electrician. The Hyde Farm Estate to the south is smaller Edwardian workers' terraces, more often converted into flats. Du Cane Court is the outlier: 1930s, steel-framed, with shared risers, communal landlord supplies and a residents' management company whose consent is needed for anything touching common parts.
What fuse board replacement involves
Replacing a consumer unit takes most of a day and costs from £550 for a standard flat. If you still have a board with rewireable fuses, no RCD protection, or a plastic enclosure, it no longer meets the current standard and is the single most worthwhile electrical upgrade in an older London property.
You need us if
- A board with old-style rewireable fuses or ceramic fuse carriers
- No RCD protection — no test button anywhere on the board
- A plastic or wooden enclosure (metal has been required since 2016)
- Breakers that trip and cut power to half the flat at once
- No spare ways left for a new circuit, shower or EV charger
- An EICR that coded the board C2
What's included
- Full metal-clad consumer unit with individual RCBOs per circuit
- SPD (surge protection) fitted as standard
- Every existing circuit tested before and after — faults found, not hidden
- Main earthing and bonding brought up to standard where needed
- Circuits labelled properly so you can find the right breaker
- Electrical Installation Certificate plus Part P building control notification
The standard we work to
Fitted to BS 7671 (18th Edition) Amendment 2, with a metal enclosure to Regulation 421.1.201 and notified to building control under Part P.
Getting to you in Balham
Balham is Wandsworth controlled parking and it is tight on the Heaver Estate grid, where the streets are narrow and residents-only for most of the day. We carry a trade permit. Du Cane Court has its own car park and porter, and jobs there need to be booked through the estate office — give us a few days' notice for anything beyond an emergency and we will arrange it.
Questions about fuse board replacement in Balham
How quickly can you get to Balham?
Which parts of Balham do you cover?
How much does fuse board replacement cost in Balham?
Do you cover Balham out of hours?
For the rest of the questions people ask about fuse board replacement — cost, timing, certification and what happens if we find a problem — see our fuse board and consumer unit replacement page. The prices and standards are the same wherever we work.
Fuse board replacement in neighbouring areas
We cover the whole of south west London from our Clapham base. Same prices, same hours, same certification.
Fuse board replacement in Wandsworth
SW18 · Wandsworth
Response 60–90 minutes →
Fuse board replacement in Battersea
SW11, SW8 · Wandsworth
Response 45–75 minutes →
Fuse board replacement in Streatham
SW16 · Lambeth
Response 50–80 minutes →
Fuse board replacement in Brixton
SW2, SW9 · Lambeth
Response 45–75 minutes →
Minutes to reach Balham at best
supplied and fitted, up to 10 ways. Includes certification and Part P notification.
One rate, day or night. No call-out fee, no weekend premium.
Fuse board replacement in Balham?
We answer the phone 24 hours, 7 days a week and aim to be with you in 45–75 minutes. £550 — supplied and fitted, up to 10 ways. Includes certification and Part P notification.