UK roofing calculator

Roof Replacement Cost Calculator

Estimate a replacement budget for gable, hip and flat roofs using current 2026 UK cost-per-square-metre benchmarks.

Roof type

Approx. roof area (m²)

UK region

Allow for timber repairs?

Estimated roof replacement budget

£7,238 – £17,108

Typical planning estimate £12,173. The model starts with 2026 UK roof-type cost-per-m² benchmarks and applies a regional adjustment.

Benchmark source: Checkatrade 2026 roof replacement guide. Regional and timber-repair adjustments are UK Home Costs modelling assumptions. See sources →