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UK cost guide

House Renovation Cost UK

Typical UK whole-house renovation costs, contingency, labour and the main factors that change a refurbishment budget.

Last reviewed: 1 September 2026 · Sources & data · Methodology

Typical planning cost£43,530–£110,350 for a 3-bed house
Broader project range£40,000–£150,000+
Planning figures are estimates rather than quotations. Live calculators combine dated UK benchmarks with clearly separated modelling assumptions such as region, size, condition and specification.

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What affects the cost?

Whole-house renovation costs vary with property size, condition and whether the project includes heating, rewiring, windows, plastering, kitchens, bathrooms or structural work.

  • Property size and existing condition
  • Heating and electrical replacement
  • Kitchen and bathroom specification
  • Plastering and decoration
  • Structural changes
  • Location and 10–15% contingency

Typical cost breakdown

Core building & remedial work20–35%
Heating, plumbing & electrical15–25%
Kitchen & bathrooms15–30%
Windows, plastering & finishes20–35%
Contingency & professional costs10–20%

Regional planning examples

The examples below apply our published modelling factor to the same national benchmark. They are not claimed as observed city-wide average quotes.

London£55,700–£141,250
Manchester£40,900–£103,750
Birmingham£42,650–£108,150
Glasgow£41,350–£104,850
Cardiff£39,600–£100,400

Sources used for this guide

Checkatrade

House Renovation: Cost Breakdown 2026

Published / checked: June 2026

Used for: Whole-house renovation benchmark and contingency guidance

View source ↗
Office for National Statistics

Construction output price indices

Published / checked: 13 August 2026

Used for: Construction price trend and update checks

View source ↗

Frequently asked questions

How much does a 3-bedroom house renovation cost?

A current UK planning benchmark is roughly £43,530 to £110,350, with a midpoint around £76,690, before project-specific differences.

How much contingency should I allow?

Around 10–15% is a common planning allowance, and more may be sensible for older or poorly understood properties.

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