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House Rewiring Costs: What Does a Full Rewire Cost?

Nobody enjoys pulling up floorboards to find wiring older than they are. Yet that discovery is exactly what pushes most homeowners towards a full rewire.

House Rewiring Costs: What Does a Full Rewire Cost?

House rewiring cost in the UK depends on far more than square footage, so a single national figure rarely tells the whole story. This guide breaks down what drives the price, what a typical quote should include, and the questions worth asking before work starts.

How Much Does House Rewiring Cost?

A sensible starting budget sits somewhere between £4,000 and £10,000, depending on size, access and specification. A compact two-bedroom flat may land close to £4,000. A larger four-bedroom home with extra circuits, data points and smart controls can fall between £8,000 and £10,000.

These figures are planning tools, not fixed prices. Treat them as a way to check whether the project is realistic before you approach an electrician for formal quotes. Always confirm whether VAT, waste removal and making goods are included in the number you're given.

Average Rewiring Costs by Property Size

Property size remains the clearest early indicator of price, though it never tells the full story. A one or two-bedroom flat typically costs less because there's less cabling, fewer sockets and a shorter time on site.

A three-bedroom home usually sits somewhere between the two-bedroom and four-bedroom figures already covered above. Larger four and five-bedroom houses, particularly older ones with solid walls, regularly push towards the top of the £8,000 to £10,000 band.

Use size as a guide, then ask each electrician for a room-by-room breakdown. That approach exposes any full house rewire cost that has been priced against a different scope to the one you actually need.

What's Included in a Full Rewire?

A proper quote should set out its assumptions clearly. Expect it to cover new cabling, circuits, sockets, switches and lighting points, alongside a new consumer unit, testing and certification.

Kitchens, bathroom fittings, premium light fixtures and any external works usually sit outside that base figure. Before comparing numbers, read the inclusions line by line. Ask what circumstances would cause the electrical rewiring cost to move once work is under way.

What Affects the Cost of Rewiring?

Several variables shift the price. Property size and the number of points needed both matter, but so does whether the house is occupied while the work happens.

Access beneath floors and above ceilings makes a real difference too. Solid walls, boxed-in pipework and limited loft space all slow progress and raise labour time. A tighter finish specification or extra circuits for an EV charger will also nudge a rewire price UK homeowners see towards the higher end.

Good electricians flag these variables upfront rather than folding them into a vague total. If something can't be confirmed before the work starts, it should be listed as a provisional allowance instead.

Age of the property plays a part too. Victorian and Edwardian homes often have solid walls and unusual layouts, which typically adds time compared with a newer, more accessible build.

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Occupied vs Empty Property Rewiring Costs

Working around a family that's still living in the house usually takes longer. Rooms need to stay usable between fix stages, furniture has to be protected, and disruptive work often gets split across several days.

An empty property gives electricians far better access. Floors and ceilings can be opened more freely, with no daily routines or young children to work around.

If you're staying put during the project, say so at the quotation stage. This changes the programme and should be reflected in any full house rewire cost you're given.

Additional Electrical Work to Budget For

Hidden work is where rewiring budgets most often slip. Old fuse boards, degraded earth bonding, and outdated cabling behind walls aren't always visible until floorboards come up.

Ask your electrician how unexpected discoveries will be priced and approved. A written variation process protects both sides far better than a verbal agreement made halfway through the job.

Budget separately for plastering and redecoration once cables have been chased into walls. This rarely forms part of the core electrical rewiring cost.

How Long Does a House Rewire Take?

Most standard homes take between five and ten working days on site, assuming materials are ready and no major surprises turn up. Larger or period properties, particularly those with solid walls, can run longer.

That figure covers only the physical work. Booking a suitably qualified, NICEIC or NAPIT-registered electrician, ordering materials and agreeing a start date can add several weeks before anyone arrives on site. Build that lead time into your overall project timeline from the outset.

Getting and Comparing Electrical Quotes

Accurate quotes depend on giving every electrician the same information. Share room dimensions, the number of sockets you want, and any plans for future additions like an EV charger or home office.

Look past the headline figure when quotes arrive. Check whether VAT, testing, certification and making goods are included, since a lower number sometimes hides a narrower scope.

A realistic rewire price UK electricians quote should always come with a written specification attached, not just a total. If a figure looks unusually low, ask what has been left out before assuming it's a bargain.

Compare Builders for Your Rewiring Project

Getting from a rough budget to a firm, comparable quote is easier with the right information from the outset. Compare Builders matches homeowners with vetted, verified electricians and builders.

Trades are ranked transparently on genuine track record, not on subscription tier. That keeps the comparison fair for homeowners weighing up several quotes at once.

Set out your project details and get matched with suitable trades. Compare quotes built on the same written scope from each electrician you're considering.

Do that, and you'll see the real house rewiring cost for your own property. It won't be a generic national average that may not apply to your home at all.

Most homeowners find the hardest part is simply getting started. Start your project today and skip the back-and-forth of chasing quotes yourself.

House Rewiring FAQs

Do I need Building Regulations sign-off for a rewire?

Yes. Electrical work covered by Part P must be certified, usually by a registered electrician who can self-certify the job on completion.

Will a full rewire include a new consumer unit?

Most quotes include one as standard, since older fuse boards rarely meet current safety requirements. Confirm this is listed before comparing prices.

How disruptive is a full rewire to daily life?

Expect some rooms to be out of action at different stages. Dust and noise from chasing walls are normal, though staying elsewhere for part of the project reduces the disruption.

Should redecorating happen before or after rewiring?

Always after. New cabling means chasing into walls and lifting floors, which can damage recent decoration. Plan redecoration once the electrical work and certification are complete.

Can I rewire just part of my house instead of the whole property?

Yes, though a partial rewire often costs more per circuit and can leave older wiring in place elsewhere. A full rewire tends to offer better value over time.

How much should I set aside as contingency?

A figure of 10 to 15 per cent above the quoted price is a sensible starting point. Older properties or those with limited access often warrant a higher allowance.