📦 Flat Roof Cost Calculator
Compare flat roof materials and get instant cost estimates for UK.
Updated February 2026 • Prices per m² incl. VAT
Your Flat Roof Estimate
£0,000 - £0,000
Total estimated cost (incl. VAT)
Cost Breakdown:
💰
Energy Saving Trust Grant Available!
Flat roof insulation may qualify for Energy Saving Trust grants up to £1,500. Check eligibility →
Flat Roof Material Comparison
| Material | Cost/m² | Lifespan | Best For |
|---|---|---|---|
| Felt | £45-£65 | 10-15 years | Budget, temporary |
| Torch-On Felt | £55-£80 | 15-20 years | Better durability |
| GRP Fibreglass | £80-£120 | 25-30 years | Seamless, walkable |
| EPDM Rubber | £70-£100 | 25-50 years | Large areas, flexible |
| Single-Ply | £75-£110 | 20-30 years | Commercial, modern |
| Liquid Applied | £60-£90 | 20-25 years | Complex shapes, repairs |