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House Renovation Cost UK (2026): A Three-Bed, Room by Room

By Gavin Rogers · Prices and rules checked 15 October 2026

The Short Answer

On our estimates, renovating a typical three-bed house with a rewire, new heating, a new kitchen and bathroom, re-skimmed walls and decoration throughout costs about £36,900 to £73,800 including VAT. A full refurbishment that also replaces the windows, doors and skirting and the plaster, and treats damp, is £59,200 to £114,100.

Keep 10 to 15% back for what you find once walls come open, and do the work in the right order: structure and services first, finishes last. If the house has been empty for 2 years or more, the builder can charge 5% VAT instead of 20%, which can save thousands.

House renovation cost calculator

Tick what a typical three-bed needs. Our estimates, including VAT; kitchen, bathroom and windows use the prices from their own guides on this site.

Where do you live?

London prices run about 20% higher and the South East about 10% (our assumption, from the few published London vs UK comparisons).

Estimated total

£36,900 to £73,800

Full rewire£4,800 to £10,200
New heating system£3,600 to £10,200
Re-skim walls and ceilings£6,000 to £15,000
New kitchen (medium)£10,000 to £20,000
New bathroom (standard)£6,500 to £10,000
Decorating throughout£6,000 to £8,400
Our estimate, including VAT. Keep 10 to 15% back for what you find when walls come open.

Renovation cost breakdown

Our estimates, including VAT at 20%. Sources below.
JobTypical cost (3-bed)
Full rewire£4,800 to £10,200
New heating system£3,600 to £10,200
Re-skim walls and ceilings£6,000 to £15,000
Hack off and replaster throughout (instead of re-skim)£19,200 to £38,400
New kitchen (medium)£10,000 to £20,000
New bathroom (standard)£6,500 to £10,000
New uPVC windows (9)£4,050 to £8,100
Internal doors and skirting£2,650 to £4,550
Damp treatment£2,400 to £4,200
Decorating throughout£6,000 to £8,400
New gas supply (if none)£600 to £3,000

The costs people forget

The Federation of Master Builders lists the costs homeowners most often leave out of a renovation budget:

  • architect, designer or structural engineer fees;
  • planning or lawful development applications, and building control fees;
  • party wall surveyor fees;
  • scaffolding, skips and waste removal;
  • a temporary kitchen or bathroom, storage, or somewhere else to live;
  • final decorating and finishing, VAT, and a contingency for what's found once work starts.

It also warns about allowances: if a quote assumes a modest budget for tiles, sanitaryware or kitchen units and you choose dearer ones, you pay the difference.

The order of works

A Victorian house stripped back mid-renovation: bare walls, new cables and floorboards lifted

The FMB's suggested order:

  1. Structural repairs and weatherproofing.
  2. Drainage, plumbing, heating and electrics.
  3. Insulation and ventilation.
  4. Kitchens and bathrooms.
  5. Plastering, flooring and decorating.
  6. The outside and anything that can wait.

It says doing a big renovation all at once is often cheaper, with less repeated labour and trades working in sequence, but phasing works if the budget is tight or you're living there. On our estimates, a new heating system takes one to two weeks and a full rewire 6 to 15 days. If the house was built before 2000, have it checked for asbestos before anything is stripped out.

5% VAT on empty homes

HMRC's VAT Notice 708 lets a builder charge the reduced 5% rate for renovating or altering a home that hasn't been lived in during the 2 years immediately before work starts. It covers their work and the building materials they install, but not installing things that aren't building materials, such as carpets or fitted bedroom furniture, which stay at 20%.

The builder may have to prove the home was empty. HMRC accepts electoral roll and council tax records, utility companies' records, or a letter from the council's empty property officer, which is enough on its own. Agree the rate before work starts. Converting a house into flats, or changing the number of homes in a building, can also qualify.

Prices that don't add up

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Frequently asked questions

How much does it cost to renovate a house?

On our estimates, about £36,900 to £73,800 for a three-bed with a rewire, new heating, kitchen, bathroom, re-skim and decoration, including VAT. A full refurbishment is £59,200 to £114,100.

Can you renovate a house for 20k in the UK?

Not all of it. On our estimates the essentials for a three-bed (rewire, heating, kitchen, bathroom, re-skim, decorating) start at about £36,900, so £20,000 covers some of the list, such as a kitchen or a rewire and heating, not the whole house.

Is 50k enough to renovate a house in the UK?

Often, for the essentials: on our estimates they cost £36,900 to £73,800 for a three-bed. £50,000 won't usually stretch to a full refurbishment at £59,200 to £114,100, and you'll want 10 to 15% of it held back as contingency.

What is the most expensive part of a house to renovate?

On our estimates the biggest single lines are hacking off and replastering throughout (£19,200 to £38,400) and a new kitchen (£10,000 to £20,000). Structural work and extensions cost more again.

What order should you renovate a house in?

The Federation of Master Builders suggests structural repairs and weatherproofing first, then drainage, plumbing, heating and electrics, insulation and ventilation, kitchens and bathrooms, then plastering, flooring and decorating.

Can I get reduced VAT on a renovation?

Yes, 5% if the home hasn't been lived in during the 2 years before work starts. The builder charges it and may need proof, such as council tax records or a letter from the council's empty property officer.

Is house refurbishment the same as renovation?

Yes, the terms are used interchangeably. Either way, price it room by room and trade by trade.

How we priced thisView sources (6, 2 official)

Rules come from the legislation and official guidance, read at source. Prices are our estimates: we check them against trade price data, retailer shelf prices and specialists' price lists, then build them up from their parts so the totals add up. Below are the sources behind the page; the trade price guides we only compare against aren’t listed. Where sources disagreed, we've said so. More on our method.