Back to BlogElectricians

UK Electrician's Guide to Quoting Consumer Unit Upgrades

How UK electricians quote consumer unit replacements and upgrades. Covers 18th Edition requirements, RCBO protection, and certification.

4 February 20267 min read
electricianukconsumer unit18th editionupgrade

Consumer unit upgrades are essential work for UK electricians. Here's how to quote them.

18th Edition Requirements

Mandatory Changes

  • Metal consumer units (or fire-rated enclosure)
  • RCD protection for all circuits
  • SPD (surge protection) consideration
  • AFDDs recommended for high-risk premises

Pricing Guide

Basic Upgrade (Like-for-Like)

  • 10-way dual RCD: £400-600
  • Labour: £300-500
  • Total: £700-1,100

Full Upgrade with RCBOs

  • 12-way RCBO board: £600-900
  • Labour: £400-600
  • Total: £1,000-1,500

Additional Items

  • SPD installation: £150-250
  • New circuits: £150-300 each
  • Earthing upgrades: £200-400

Certification

  • Electrical Installation Certificate (EIC)
  • Part P notification (if applicable)
  • Building control notification

Quote Inclusions

  • Isolate and make safe
  • Remove old unit
  • Install new unit
  • Test all circuits
  • Issue certification
  • Notify building control

Quote consumer units faster → [Try QuoteOS for Electricians](/trades/electricians)

Next step

See how QuoteOS turns job descriptions into quotes using your pricing.

Generate my first quote free

Ready to quote faster?

Turn job descriptions into professional quotes in minutes.

Generate my first quote free