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Compare free flat roof repair quotes from Cardiff roofers. Areas covered include Canton, Roath, Grangetown, Llanishen, Splott, Whitchurch...
Last updated: 16 Apr 2026
16 Apr 2026
Parapet Asphalt Crack in Llandaff on larger area (~22m²) Asphalt roof. Issue: Soft spot around outlet. Access: Scaffold tower likely (two-storey rear).
12 Apr 2026
GRP Crack Repair — GRP, 22m² (Grangetown). Pooling water near outlet. Scaffold tower likely (two-storey rear). after last week’s heavy rain.
12 Apr 2026
Felt Roof Leak in Canton on larger area (~18m²) Felt roof. Issue: Blistering and splits. Access: Neighbour access arranged.
8 Apr 2026
Bitumen Roof Patch — Corrugated, approx. 20 square metres (Grangetown). Rust around fixings. Scaffold tower likely (two-storey rear). noticed during recent storms.
6 Apr 2026
Corrugated Sheet Replacement in Ely on 8m² Corrugated roof. Issue: Cracked sheet above purlin. Access: Through garage, internal ladder route. persistent since spring. Insurance inspection pending.
5 Apr 2026
Flat Roof Felt Repair — Felt, about 9m² (Heath). Blistering and splits. Rear garden only, narrow ladder access. noticed during recent storms. Small business owner needs urgent repair.
1 Apr 2026
Corrugated Sheet Replacement — Corrugated, approx. 9 square metres (Pontcanna). Pooling water near outlet. Narrow side passage; debris removal tricky.
29 Mar 2026
EPDM Edge Re-bond in Pontcanna on 16m² EPDM roof. Issue: Small puncture near outlet. Access: Neighbour access arranged. persistent since spring. Insurance inspection pending.
29 Mar 2026
Fibreglass Roof Leak in Whitchurch on about 30m² GRP roof. Issue: Hairline cracks in topcoat. Access: Through garage, internal ladder route. after last week’s heavy rain.
26 Mar 2026
GRP Crack Repair — GRP, about 14m² (Grangetown). Pinholes after impact. Front driveway, easy ladder access. Ongoing maintenance request.
22 Mar 2026
PVC Roof Seam Repair — PVC, about 9m² (Roath). Seam re-weld required. Front driveway, easy ladder access. noticed during recent storms. Small business owner needs urgent repair.
21 Mar 2026
Fibreglass Roof Leak — GRP, larger area (~24m²) (Canton). Pinholes after impact. Narrow side passage; debris removal tricky. noticed during recent storms. Small business owner needs urgent repair.
| Job | Basis | Typical Range |
|---|---|---|
| Small patch repair | job | £128 — £268 |
| Edge reseal (localised) | job | £193 — £375 |
| Felt re-cover (20m²) | 20m² | £1,284 — £1,926 |
| GRP re-cover (20m²) | 20m² | £1,712 — £2,568 |
| EPDM re-cover (20m²) | 20m² | £1,605 — £2,354 |
Guide prices only. Actual quotes vary by access, substrate condition, detailing, and material choice.
| Material | Count | Share |
|---|---|---|
| Corrugated | 6 | 20% |
| PVC | 4 | 13% |
| GRP | 8 | 27% |
| EPDM | 7 | 23% |
| Felt | 3 | 10% |
| Metal | 1 | 3% |
| Asphalt | 1 | 3% |
Based on quote requests logged for Cardiff in the last 12 weeks.
15 Apr 2026
Loose edge trim on GRP re-bedded and sealed; local re-coat applied. Work carried out at two-storey height.
| Step | Description | Minutes |
|---|---|---|
| Remove/clean | Lift trim; remove debris; clean. | 18 |
| Re-bed | Re-fix trim; seal joints. | 28 |
| Touch-up | Apply topcoat to disturbed areas. | 17 |
Estimated time: ~63 minutes
8 Apr 2026
Damaged sheet above purlin swapped out; laps sealed; fixings renewed and tightened.
| Step | Description | Minutes |
|---|---|---|
| Remove | Carefully remove cracked sheet; use boards/PPE. | 22 |
| Install | Fit replacement; align with purlins. | 26 |
| Seal & fix | Seal laps; tighten new fixings. | 19 |
Estimated time: ~67 minutes
We always recommend hiring qualified Cardiff roofers for flat roof repairs - especially for larger leaks, structural issues, or anything above ground-floor level. If you have experience, the right tools and PPE, and the task is minor, some small fixes may be attempted yourself.
Unit 36 Portmanmoor Rd, Estate, Cardiff CF24 5HB
Unit B1, St. Catherine's Park, Pengam Road, Cardiff CF24 2RZ
Gate 2, Whittle Road, Cardiff, CF11 8AT
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