ROOFING COST GUIDES
Flat Roof Costs UK 2026
Typical EPDM, GRP fibreglass and felt roofing prices. Last reviewed September 2026.
Quick answer: published UK cost guides put a standard flat roof replacement at about £2,800 to £7,500. Per m², felt is roughly £50 to £80, EPDM rubber £80 to £100 and GRP fibreglass £95 to £120. These are typical ranges, not quotes.
Cost by material
| Material | Cost per m² | Typical lifespan |
|---|---|---|
| Felt (bitumen) | £50 - £80 | 15-20 years |
| EPDM rubber | £80 - £100 | 30+ years |
| GRP fibreglass | £95 - £120 | Up to about 30 years |
| Green (sedum) roof | £75 - £110 | Depends on the waterproofing beneath |
Source: Checkatrade flat roof replacement cost guide (updated February 2026). Removing the old roof, new decking, insulation and scaffolding can add to these figures. Last reviewed September 2026.
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