Consumer Unit (Fuse Box) Replacement Cost UK (2026)

Consumer Unit (Fuse Box) Replacement in the UK typically costs £450-£900per unit in 2026. London and the Home Counties sit at the top of the range; Wales, Northern Ireland and the North East are usually cheapest. Click any city below for a full local breakdown.

What's usually included

• Supply of new 18th Edition compliant board
• Earth bonding check
• Electrical Installation Certificate (EIC)
• Building Regulations Part P notification
• Individual circuit testing

What affects the price

• Number of circuits
• Whether SPD (surge protection) is added
• Type A RCBOs for EV/solar compatibility
• Metal vs dual-RCD board
• Remedial work to bring circuits up to 18th Edition

Consumer Unit (Fuse Box) Replacement prices by UK location