What it involves
Your fuse board (the correct term is consumer unit) is the central hub that distributes power around your home and protects every circuit with modern breakers. Older units use rewirable fuses or early MCBs that don't offer the protection standards required today. A modern consumer unit with RCBOs (residual current breaker with overcurrent protection) gives each circuit its own protection — so a fault on one circuit doesn't trip the whole house.
Why it matters
An outdated consumer unit is the single most common reason a home fails an Electrical Installation Condition Report (EICR). Mortgage lenders and insurers increasingly require up-to-date consumer units. If you're renovating, adding an EV charger, or installing solar, a new unit is almost always part of the job. It's also a legal requirement that any replacement is carried out by a Part P registered electrician — and signed off with a certificate.
Frequently asked questions
Typical cost range
£500 – £900
Most domestic consumer unit upgrades in Bath and Somerset fall in this range. The final price depends on the number of circuits, the existing cable condition, and whether any remedial work is needed. We provide a fixed written quote before any work starts.
- NICEIC Domestic Installer
- 18th Edition certified
- Part P registered
- Fixed-price written quotes
- Bath & Somerset based