UK renovation calculator
House Renovation Cost Calculator
Estimate a whole-house renovation budget with property size, project scope, condition and postcode-aware regional pricing.
Enter a postcode to set the cost region automatically.
Estimated renovation range
£40,918 – £103,729Typical planning estimate £72,089 · suggested 12.5% contingency £9,011.
Benchmark source: Checkatrade House Renovation Cost Breakdown 2026, last updated June 2026. The calculator anchors to the published 3-bedroom range; size, scope, condition and regional adjustments are UK Home Costs modelling assumptions. See sources →
How the estimate works
The reference case is the current £43,530–£110,350 3-bedroom renovation benchmark, averaging £76,690. Property size, condition, project scope and region are then applied as transparent modelling layers rather than presented as directly observed quote averages.