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Compare free flat roof repair quotes from Cardiff roofers. Areas covered include Canton, Roath, Grangetown, Llanishen, Splott, Whitchurch...
Last updated: 27 Nov 2025
27 Nov 2025
Rhiwbina: Flat Roof Felt Repair on about 14m² Felt. Blistering and splits. Through garage, internal ladder route. Insurance inspection pending.
25 Nov 2025
Rubber Roof Seam Fix in Roath on approx. 10 square metres EPDM roof. Issue: Small puncture near outlet. Access: Side alley access (tight). persistent since spring.
24 Nov 2025
Roath: Asphalt Patch Repair on approx. 35 square metres Asphalt. Soft spot around outlet. Scaffold tower likely (two-storey rear). first seen this winter. Homeowner preparing to sell.
20 Nov 2025
Corrugated Sheet Replacement in Llandaff on about 20m² Corrugated roof. Issue: Perished lap sealing. Access: Scaffold tower likely (two-storey rear). first seen this winter.
17 Nov 2025
Llanishen: Single Ply Leak Investigation on approx. 9 square metres PVC. Seam re-weld required. Front driveway, easy ladder access. persistent since spring.
17 Nov 2025
Whitchurch: PVC Roof Seam Repair on 9m² PVC. Shrinkage at upstand. Front driveway, easy ladder access.
12 Nov 2025
Loose Seams Repair — Metal, approx. 14 square metres (Roath). Seam/joint split. Scaffold tower likely (two-storey rear). noticed during recent storms.
12 Nov 2025
PVC Membrane Patch in Canton on approx. 30 square metres PVC roof. Issue: Shrinkage at upstand. Access: Through garage, internal ladder route.
12 Nov 2025
Grangetown: GRP Topcoat Reseal on small section (10m²) GRP. Hairline cracks in topcoat. Rear garden only, narrow ladder access. after last week’s heavy rain.
5 Nov 2025
Pontcanna: PVC Roof Seam Repair on about 30m² PVC. Shrinkage at upstand. Scaffold tower likely (two-storey rear). persistent since spring.
4 Nov 2025
Whitchurch: Metal Roof Fix on 20m² Metal. Condensation issues suspected. Narrow side passage; debris removal tricky. Ongoing maintenance request.
4 Nov 2025
Mineral Felt Patch — Felt, 12m² (Llandaff). Loose laps near upstand. Scaffold tower likely (two-storey rear). first seen this winter.
| 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 |
|---|---|---|
| GRP | 8 | 27% |
| Felt | 3 | 10% |
| Metal | 3 | 10% |
| Asphalt | 3 | 10% |
| Corrugated | 4 | 13% |
| PVC | 6 | 20% |
| EPDM | 3 | 10% |
Based on quote requests logged for Cardiff in the last 12 weeks.
27 Nov 2025
Small puncture on EPDM roof. Area keyed lightly, primed and patched; seams inspected nearby. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Surface prep | Light key; clean thoroughly. | 15 |
| Patch install | Primer then patch; pressure roll to activate bond. | 22 |
| QA | Edge probe; perimeter glance; photos. | 10 |
Estimated time: ~47 minutes
20 Nov 2025
Damaged sheet above purlin swapped out; laps sealed; fixings renewed and tightened. Work carried out at two-storey height.
| Step | Description | Minutes |
|---|---|---|
| Remove | Carefully remove cracked sheet; use boards/PPE. | 18 |
| Install | Fit replacement; align with purlins. | 26 |
| Seal & fix | Seal laps; tighten new fixings. | 23 |
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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