How Much Does a House Rewire Cost in the UK in 2025?

House Rewiring Costs in 2025

If you're wondering how much a rewire costs in Devon or the wider UK, you're not alone. It's one of the most common questions we're asked, and the answer depends on several factors.

Average Rewire Costs by Property Size

Premium service, premium quality. Prices include labour, materials, consumer unit, testing, and certification.

What's Included in a Full Rewire?

A complete rewire typically includes:

• Removal of all old cables from walls, ceilings, and under floors
• New twin and earth cabling throughout the property
• New consumer unit with RCD protection
• New sockets and switches (we recommend double sockets throughout)
• New light fittings and ceiling roses
• Smoke and heat alarms hard-wired and interconnected
• All testing and certification to BS 7671

What's NOT Usually Included

• Making good and decorating (we leave surfaces ready for paint)
• Moving radiators or plumbing
• Unusual access requirements (very high ceilings, asbestos removal)

Factors That Affect Rewiring Costs

1. Property Age

Victorian and Edwardian homes often cost more due to:

• Lath and plaster walls that require careful work
• Multiple floors with complex layouts
• Ornate features that need protecting
• Longer cable runs to high ceilings

2. Current Wiring Condition

If your existing wiring includes rubber-insulated cables or aluminium wiring, removal is more complex and time-consuming.

3. Accessibility

Houses with easy access under floors and in lofts are cheaper to rewire than those where floorboards need lifting throughout.

4. Number of Circuits Required

Modern families need more electrical capacity than ever:

• Kitchen circuits (separate for cooker, dishwasher, fridge-freezer)
• EV charger circuit
• Home office circuits
• Electric shower circuit
• Smart home and data cabling

5. Your Location

Prices in Devon tend to be lower than London and the South East, but higher than some northern areas.

Do You Need a Full Rewire?

Not always. If your wiring is from the 1970s onwards and in good condition, a partial rewire or upgrade may suffice. Signs you DO need a full rewire:

• Rubber or fabric-covered cables
• No earth wire (two-core cables only)
• Frequent tripping or blown fuses
• Burning smells or scorch marks
• A failed EICR with multiple C2 codes

Alternatives to Full Rewiring

• Consumer unit upgrade (£400-£700) - Adds RCD protection to existing circuits
• Partial rewire - Replace only the most dangerous or outdated circuits
• Circuit upgrades - Add new circuits while keeping sound existing wiring

Can You Rewire in Stages?

Yes, and it's a sensible approach if budget is tight. We recommend this order:

• Consumer unit first - Maximum safety improvement for minimum cost
• Kitchen and bathroom - Highest risk areas
• Ground floor - High usage rooms
• First floor and loft - Complete the job

How Long Does a Rewire Take?

We work room by room, ensuring you always have power in essential areas overnight.

Questions to Ask Your Electrician

Before accepting a quote, ask:

• Is this price fixed or an estimate?
• What's included in the price?
• Who will do the making good?
• How long will it take?
• Are you CHAS approved?
• What warranties do you offer?

Need a rewire quote in Devon? Grant's Electrical Solutions offers free assessments across Exeter, Torquay, Newton Abbot, and Plymouth. Call 01626 374 059.