Consumer Unit Upgrade Cost
£350–£800
typical UK range
Updated
Consumer unit replacement typically ranges from £350 for a small home to £800 for a larger home; a populated ten-way RCBO unit averages about £485 installed.
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How much does each option cost?
| Type / scope | Typical cost | Notes |
|---|---|---|
| Smaller home, about 6 circuitsTypical starting cost | £350–£350 | Typical starting cost |
| 10-way RCBO consumer unitTypical supply-and-install benchmark | £485–£485 | Typical supply-and-install benchmark |
| Semi-detached homeTypical property-size benchmark | £550–£550 | Typical property-size benchmark |
| Larger home, 12 or more circuitsTypical upper benchmark | £800–£800 | Typical upper benchmark |
What would yours cost?
Those are the usual ranges. Tell us what's wrong and we'll tell you the price for your home.
on your first booking
What affects the price?
- Circuit count and protective-device type
- Existing wiring defects
- Board relocation or incoming-equipment work
- Property size, access, and region
What's included in the price?
- Removal of the old board and installation of a suitable consumer unit
- Testing, commissioning, certification, and applicable notification
How long does it take?
A standard replacement commonly takes four to seven hours; complex installations can take a full day.
Do I need one?
Replacement should follow an electrician's assessment of the board and installation, not age or enclosure material alone.
How do you avoid overpaying?
- Compare the same circuit count and specification
- Confirm testing, certification, notification, and removal
- Resolve known wiring defects before final quotes
Frequently asked questions
We’re happy to answer all your questions.
Sources & References
Before you book, read how to check an electrician is qualified.
Need an electrician?
Tell us the job. We'll tell you the price, then find a local tradesperson.