UK national averageAbout £8,000
Most projects£4,000–£19,000
Per-m² multiplication is a planning shortcut, not a quote. Roof geometry, scaffolding and hidden timber condition can materially change the final figure.
Calculate your roof replacement
Roof replacement cost by type
Gable roof
Published project range £7,000–£16,250£110–£260 / m²
Published project range £7,000–£16,250£110–£260 / m²
Hip roof
Published project range £9,250–£18,000£145–£285 / m²
Published project range £9,250–£18,000£145–£285 / m²
Flat roof
Published project range £2,800–£7,500£45–£120 / m²
Published project range £2,800–£7,500£45–£120 / m²
Worked roof-area budgets
These examples multiply roof area by the published cost-per-m² ranges before regional or repair adjustments.
40m² roof
Gable£4,400–£10,400
Hip£5,800–£11,400
Flat£1,800–£4,800
60m² roof
Gable£6,600–£15,600
Hip£8,700–£17,100
Flat£2,700–£7,200
70m² roof
Gable£7,700–£18,200
Hip£10,150–£19,950
Flat£3,150–£8,400
80m² roof
Gable£8,800–£20,800
Hip£11,600–£22,800
Flat£3,600–£9,600
100m² roof
Gable£11,000–£26,000
Hip£14,500–£28,500
Flat£4,500–£12,000
Costs that sit outside a simple m² rate
- Rotten rafters, decking or structural timber repairs.
- Scaffolding, restricted access and parking/logistics.
- Chimney, valley, flashing and rooflight detailing.
- Waste removal and old covering disposal.
- Premium slate, tile or membrane specification.
Regional pricing
LondonBrightonBristolCambridgeBirminghamNottinghamManchesterLiverpoolLeedsNewcastleGlasgowEdinburghCardiffBelfast
Source
Checkatrade
View source ↗Roof Replacement: Cost Breakdown 2026
Used for the national average, project ranges and gable, hip and flat roof cost-per-m² benchmarks.
Frequently asked questions
How much does a new roof cost in the UK in 2026?
Current Checkatrade guidance gives a UK national average of about £8,000, with most homeowners spending around £4,000–£19,000.
How much is a 70m² gable roof?
Using the current £110–£260 per m² benchmark gives a straight-line planning range of about £7,700–£18,200 before project-specific extras.
Is a hip roof more expensive than a gable roof?
Usually. The current benchmark is £145–£285 per m² for hip roofs versus £110–£260 per m² for gable roofs.
What can make a roof replacement more expensive?
Timber repairs, scaffolding, difficult access, chimneys, valleys, rooflights, premium coverings and structural work can all increase the total.