3-bedroom renovation cost breakdown
£500–£2,500£1,500 avg.
£3,000–£8,500£5,500 avg.
£4,000–£8,500£6,250 avg.
£2,500–£8,000£5,250 avg.
£10,000–£15,000£12,000 avg.
£5,000–£12,500£8,750 avg.
£16,000–£32,000£26,500 avg.
£7,000–£25,000£17,500 avg.
£500–£3,500£2,000 avg.
£500–£5,000£2,750 avg.
£6,500–£18,000£12,250 avg.
£5,000–£7,000£6,000 avg.
Why the total range is so wide
A renovation can mean anything from a cosmetic refresh to a property that needs heating, rewiring, plastering, windows, a roof, damp treatment, a kitchen and structural changes. Property condition is therefore at least as important as bedroom count when setting an early budget.
How to plan the budget
- Separate essential remedial work from optional upgrades.
- Confirm whether each quote includes VAT.
- Get electrical, heating, roof and damp risks assessed early where relevant.
- Keep a 10–15% contingency as an initial planning allowance.
- Compare contractor scope line by line rather than comparing only total prices.
- Do not assume every work package in the benchmark applies to your house.
Source and methodology
House Renovation: Cost Breakdown 2026
Last updated: June 2026
Used for: the £43,530–£110,350 3-bedroom total, £76,690 average and major work-package benchmarks.
The calculator uses this 3-bedroom benchmark as its anchor. Property-size, renovation-scope, condition and regional multipliers are UK Home Costs modelling assumptions. Read the methodology →
Frequently asked questions
How much does it cost to renovate a 3-bedroom house in the UK in 2026?
The current Checkatrade benchmark is £43,530–£110,350, with an average around £76,690 for the example 3-bedroom renovation scope.
How much contingency should I allow?
Current guidance suggests allowing roughly 10–15% for unexpected renovation costs. The appropriate level depends on how well the condition and scope are understood.
Does the 3-bedroom renovation figure include VAT?
The source table marks the itemised ranges as +VAT. Contractor quotes should be checked carefully so totals are compared on the same VAT basis.
What usually makes a house renovation expensive?
Major heating, electrical, plastering, roof, window and kitchen packages can each add substantial costs. Structural alterations and hidden defects can add further uncertainty.
Can I use the 3-bed figure for a 2-bed or 4-bed house?
Only as a starting reference. UK Home Costs provides a calculator that scales the 3-bedroom benchmark using property size, scope, condition and region as transparent modelling assumptions.