HUGE SAVINGS - SEE HOW EASY IT IS!
Compare free flat roof repair quotes from Cardiff roofers. Areas covered include Canton, Roath, Grangetown, Llanishen, Splott, Whitchurch...
Last updated: 9 Oct 2025
9 Oct 2025
Cathays: Asphalt Patch Repair on about 22m² Asphalt. Crazing on sun-exposed area. Rear garden only, narrow ladder access. noticed during recent storms.
7 Oct 2025
Rhiwbina: Fibreglass Roof Leak on approx. 9 square metres GRP. Previous patch has failed. Front driveway, easy ladder access. worsened over the past month. Homeowner preparing to sell.
5 Oct 2025
Cathays: GRP Topcoat Reseal on about 18m² GRP. Hairline cracks in topcoat. Scaffold tower likely (two-storey rear). persistent since spring. Insurance inspection pending.
2 Oct 2025
Loose Seams Repair in Llanishen on about 14m² Metal roof. Issue: Corrosion spot near gutter. Access: Scaffold tower likely (two-storey rear). Request from landlord of rental property.
2 Oct 2025
Llanishen: Fibreglass Roof Leak on approx. 32 square metres GRP. Condensation issues suspected. Narrow side passage; debris removal tricky. after last week’s heavy rain. Ongoing maintenance request.
28 Sep 2025
Canton: Felt Edge Reseal on larger area (~32m²) Felt. Vegetation growth around edges. Neighbour access arranged. Request from landlord of rental property.
22 Sep 2025
Fibreglass Roof Leak — GRP, 35m² (Cathays). Hairline cracks in topcoat. Scaffold tower likely (two-storey rear). Request from landlord of rental property.
21 Sep 2025
Llandaff: GRP Crack Repair on about 8m² GRP. Previous patch has failed. Front driveway, easy ladder access. first seen this winter. Small business owner needs urgent repair.
20 Sep 2025
Llandaff: Fibreglass Roof Leak on approx. 24 square metres GRP. Blocked gutter or downpipe. Front driveway, easy ladder access. Small business owner needs urgent repair.
15 Sep 2025
PVC Membrane Patch — PVC, 18m² (Whitchurch). Shrinkage at upstand. Scaffold tower likely (two-storey rear).
15 Sep 2025
Corrugated Sheet Replacement — Corrugated, 22m² (Llandaff). Cracked sheet above purlin. Narrow side passage; debris removal tricky. after last week’s heavy rain.
14 Sep 2025
Parapet Asphalt Crack — Asphalt, larger area (~32m²) (Grangetown). Crazing on sun-exposed area. Through garage, internal ladder route.
| 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 |
|---|---|---|
| EPDM | 4 | 13% |
| Felt | 6 | 20% |
| GRP | 9 | 30% |
| Asphalt | 5 | 17% |
| Corrugated | 3 | 10% |
| PVC | 2 | 7% |
| Metal | 1 | 3% |
Based on quote requests logged for Cardiff in the last 12 weeks.
10 Oct 2025
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. | 17 |
| Fill & level | Fill cracks; level minor depressions. | 28 |
| Protective coat | Apply coat; check skirtings/upstands. | 25 |
Estimated time: ~70 minutes
3 Oct 2025
Light corrosion on Metal treated; laps sealed; gutter edge checked. Work carried out at two-storey height.
| Step | Description | Minutes |
|---|---|---|
| Clean & treat | Wire brush; rust treatment. | 22 |
| Seal laps | Apply lap sealant/tape. | 23 |
| Edge check | Inspect gutter edge; clear debris. | 8 |
Estimated time: ~53 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
Note: Merchant listings are provided for convenience; we don’t endorse any particular supplier.
Barry - 6.5 miles
10 Oct 2025
Newport - 10.7 miles
8 Oct 2025
Pontypridd - 11.0 miles
6 Oct 2025