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Compare free flat roof repair quotes from Cardiff roofers. Areas covered include Canton, Roath, Grangetown, Llanishen, Splott, Whitchurch...
Last updated: 12 Oct 2026
12 Oct 2026
PVC Roof Seam Repair in Pontcanna on larger area (~30m²) PVC roof. Issue: Puncture in field area. Access: Front driveway, easy ladder access. noticed during recent storms.
11 Oct 2026
GRP Topcoat Reseal in Heath on about 22m² GRP roof. Issue: Pinholes after impact. Access: Scaffold tower likely (two-storey rear). Small business owner needs urgent repair.
11 Oct 2026
Grangetown: Felt Roof Leak on small section (12m²) Felt. Pooling water near outlet. Scaffold tower likely (two-storey rear). Small business owner needs urgent repair.
6 Oct 2026
Heath: Flat Roof Felt Repair on about 20m² Felt. Blistering and splits. Narrow side passage; debris removal tricky.
6 Oct 2026
Asphalt Patch Repair in Grangetown on about 24m² Asphalt roof. Issue: Soft spot around outlet. Access: Narrow side passage; debris removal tricky. worsened over the past month. Small business owner needs urgent repair.
4 Oct 2026
Bitumen Roof Patch in Roath on 20m² Corrugated roof. Issue: Rust around fixings. Access: Neighbour access arranged. Insurance inspection pending.
29 Sep 2026
Asphalt Patch Repair — Asphalt, small section (12m²) (Penylan). Crazing on sun-exposed area. Through garage, internal ladder route. worsened over the past month. Insurance inspection pending.
28 Sep 2026
Llanishen: Single Ply Leak Investigation on 24m² PVC. Seam re-weld required. Narrow side passage; debris removal tricky. first seen this winter. Homeowner preparing to sell.
28 Sep 2026
Rhiwbina: Fibreglass Roof Leak on larger area (~18m²) GRP. Vegetation growth around edges. Neighbour access arranged. after last week’s heavy rain. Request from landlord of rental property.
23 Sep 2026
Single Ply Leak Investigation — PVC, about 8m² (Heath). Shrinkage at upstand. Neighbour access arranged. Insurance inspection pending.
21 Sep 2026
Llanishen: Corrugated Sheet Replacement on approx. 24 square metres Corrugated. Perished lap sealing. Neighbour access arranged. Small business owner needs urgent repair.
20 Sep 2026
PVC Membrane Patch in Roath on approx. 30 square metres PVC roof. Issue: Pooling water near outlet. Access: Through garage, internal ladder route. persistent since spring.
| 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 |
|---|---|---|
| Felt | 7 | 23% |
| Asphalt | 4 | 13% |
| EPDM | 3 | 10% |
| Metal | 3 | 10% |
| Corrugated | 5 | 17% |
| GRP | 3 | 10% |
| PVC | 5 | 17% |
Based on quote requests logged for Cardiff in the last 12 weeks.
13 Oct 2026
Targeted repair carried out to resolve Pooling water near outlet on Felt. Edges sealed; outlet cleared. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Prep | Dry and clean the area. | 13 |
| Seal/patch | Apply compatible patch; seal edges. | 29 |
| Outlet & perimeter | Clear outlet; inspect perimeters. | 15 |
Estimated time: ~57 minutes
5 Oct 2026
Sun-exposed Asphalt showed surface crazing. Section warmed, cracks filled, and protective coat applied. Outlets checked and falls observed. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Warm & prep | Warm surface; clean dust and debris. | 22 |
| Fill & level | Fill cracks; level minor depressions. | 32 |
| Protective coat | Apply coat; check skirtings/upstands. | 24 |
Estimated time: ~78 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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