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United Kingdom calculator

Roof Replacement Cost Calculator

Estimate the cost to replace your roof in the UK. Adjust the roof size (m²), pitch, material grade, and whether the old roof is removed to see an itemised low–high range.

How this calculator is built

Unit costs with sources

This model cites 4 sources across line-item unit costs, regional labor data, and tax references.

Regional labor adjustment

The region table applies local labor indexes only to labor-heavy line items.

Published methodology

The methodology page lists the formula, size drivers, labor model, and source links.

Estimate your project

Change the default inputs to match your scope. The breakdown updates by line item.

Adjust your project

Estimated cost

£7,572£10,245

Typical range for the options you selected.

Itemized cost breakdown
ItemEstimate
Tear-off£960
Underlayment£512
Roofing material£2,419
Installation labor£2,765
Flashing & vents£448
Disposal£320
Subtotal£7,424
VAT (20%)£1,485
Total inc. VAT£8,909

Roof Replacement Cost by region: typical ranges

Each range applies that region's labor index to the labor-share line items of the default project; materials stay at national prices. Select a region for its full local breakdown and calculator.

Typical roof replacement cost by region, default configuration
RegionTypical rangeLabor indexPermit
East Midlands£7,358–£9,95595%Likely
East of England£7,358–£9,95595%Likely
London£8,086–£10,940112%Likely
North East£7,358–£9,95595%Likely
North West£7,401–£10,01396%Likely
Scotland£7,572–£10,245100%Likely
South East£7,744–£10,477104%Likely
South West£8,044–£10,882111%Likely
Wales£7,487–£10,12998%Likely
West Midlands£7,358–£9,95595%Likely
Yorkshire and the Humber£7,316–£9,89794%Likely