Consumer Unit Replacement Cost UK 2026

A new metal consumer unit (CU) with RCBOs in 2026 costs £500–£1,100 fitted. Required by current UK regulations (BS 7671 18th Edition Amendment 2).

Quick answer

Typical UK price range: £500–£1,300. Typical time: 0.5–1 day.

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Job type EICR (1-bed flat) EICR (3-bed house) EICR (4-bed house) Full rewire 2-bed Full rewire 3-bed Full rewire 4-bed Consumer unit (CU) replace

Region London South East South West Midlands North of England Scotland Wales Northern Ireland

Specification level Basic / standard Mid-range Premium / high-end

Extras

Landlord certificate £50–£100 PAT testing £80–£200 Extra sockets (per 4) £180–£350 LED spotlights (room) £200–£500

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Estimate only. Prices reflect 2026 UK market data — get quotes from local tradespeople for accurate pricing.

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Budget Under £5,000 £5,000 – £15,000 £15,000 – £30,000 £30,000 – £60,000 £60,000+ Not sure

Timeline As soon as possible 1 – 3 months 3 – 6 months 6+ months Just researching

Project details

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Key points

• £500–£1,100 fitted
• New metal CU + RCBOs standard
• Required for safety + insurance
• Half-day to 1-day install

Cost breakdown

Item	Low	High
Metal consumer unit + RCBOs	£250	£600
Install + testing	£250	£500
New EICR after install	Included	Included

Cost by UK region

Region	Typical cost
London	£1,215
South East	£1,125
South West	£990
Midlands	£900
North England	£810
Scotland	£855
Wales	£810

How to save money

• Always specify RCBOs not RCDs — individual circuit protection
• Use Hager, MK or Wylex (UK trade standard)
• Include surge protection (SPD) for modern electronics

How to find a trusted tradesperson

Get at least 3 quotes from vetted UK trade networks:

• Checkatrade
• MyBuilder
• Bark

FAQs

Do I need a new consumer unit?

Yes if yours is older than 2008 (pre-17th Edition), plastic, or has fewer than 2 RCDs. New regs require metal CU + RCBOs.

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Disclaimer: Prices are guide ranges based on 2026 UK market data. Get quotes from local tradespeople for accurate pricing.