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Compare free conservatory roof repair quotes from Cardiff roofers. Covering Canton, Roath, Grangetown, Llanishen, Splott, Whitchurch...
Updated: 29 Dec 2025
29 Dec 2025
Warm Roof Leak Investigation — Tiled Warm Roof, small roof (12m²) (Roath). Fixings backed out on south-facing pitch. Conservatory roof fragile - boards required. worsened over the past month.
28 Dec 2025
Skylight Perimeter Trim Replacement (Gable-front) — Lantern / Skylight (Gable-front), about 16m² (Rhiwbina). Ridge junction weeping under driving rain. Tight courtyard – debris removal by hand.
24 Dec 2025
Box Gutter Clean & Reline in Rhiwbina on approx. 14 square metres Box Gutter / Drainage conservatory roof. Issue: Outlet pipe reduced by silt and sludge. Access: Rear garden only, narrow ladder access.
23 Dec 2025
Step Flashing Repair in Llanishen on approx. 10 square metres Flashing / Wall Abutment (L-shaped) conservatory roof. Issue: Green algae growth making roof slippery. Access: Access only via conservatory itself (internal). issue highlighted during routine insurance check.
18 Dec 2025
Rhiwbina: Ridge Cap Refix on small roof (9m²) Tiled Warm Roof (Edwardian). Loose verge detail letting in wind-driven rain. Shared boundary access agreed with neighbour. first seen this winter. Ongoing maintenance request.
16 Dec 2025
Top Capping Leak Investigation — Glass, about 10m² (Splott). Draughts at roof edge or vent. Rear garden only, narrow ladder access. first seen this winter.
12 Dec 2025
Warm Roof Leak Investigation in Llandaff on about 22m² Tiled Warm Roof conservatory roof. Issue: Cold spots and heat loss in winter. Access: Tight courtyard – debris removal by hand.
11 Dec 2025
Splott: Leaking Glass Conservatory Roof on 10m² Glass. Degraded perimeter sealant along glass edge. Front driveway, easy ladder access.
9 Dec 2025
Heath: Repack & Reclip Roof Trims on 8m² Gaskets & Trims (uPVC). Noisy rain on polycarbonate reported. Shared boundary access agreed with neighbour. Ongoing maintenance request.
4 Dec 2025
Wall Abutment Re-seal — Flashing / Wall Abutment (P-shaped), 14m² (Splott). Staining on internal reveal at abutment. Tight courtyard – debris removal by hand. reported again after temporary DIY repair failed. Homeowner preparing to sell.
4 Dec 2025
End Cap Replacement & Reseal — Polycarbonate, 20m² (Grangetown). Condensation forming within multiwall channels. Narrow side passage; debris removal tricky. noticed while cleaning roof panels.
30 Nov 2025
Overflow Baffle/Deflector Install — Box Gutter / Drainage (Orangery), 16m² (Roath). Overheating during summer afternoons. Rear alley access but no vehicle parking. Insurance inspection pending.
| Job | Basis | Typical Range |
|---|---|---|
| Replace one polycarbonate panel | per panel | £161 - £321 |
| Replace one glass roof unit | per unit | £268 - £535 |
| Box gutter clean & reseal | job | £128 - £268 |
| Lead flashing renewal | job | £214 - £428 |
| Replace glazing bar gaskets | per bar | £86 - £161 |
| End cap replacement set | set | £64 - £128 |
| Internal reseal against leaks | job | £161 - £321 |
| Full polycarbonate roof re-sheet | 20m² | £1,926 - £2,996 |
| Lightweight tiled roof conversion | 20m² | £6,420 - £10,700 |
| Add insulation & plaster ceiling | 20m² | £1,605 - £2,675 |
Guide prices only. Actual quotes vary by access, substrate condition, detailing, and material choice.
| Type | Number | Share |
|---|---|---|
| Glass | 7 | 23% |
| Flashing / Wall Abutment | 6 | 20% |
| Polycarbonate | 5 | 17% |
| Tiled Warm Roof | 5 | 17% |
| Lantern / Skylight | 3 | 10% |
| Gaskets & Trims (uPVC) | 2 | 7% |
| Box Gutter / Drainage | 2 | 7% |
(Number of quote requests received in and around Cardiff over the previous 12 weeks)
25 Dec 2025
Perished mastic at outlet on Box Gutter / Drainage renewed; leaf guard installed to prevent repeat blockage. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Strip | Remove old sealant; dry area. | 7 |
| Reseal | Apply mastic/liner patch. | 12 |
| Guard | Fit leaf guard; test flow. | 9 |
Estimated time: ~28 minutes
17 Dec 2025
Minor draught/leak on Glass addressed by repacking and resealing beads. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Check | Inspect beads; identify gaps. | 15 |
| Repack | Adjust packers; refit beads. | 23 |
| Seal | Run neat perimeter bead. | 7 |
Estimated time: ~45 minutes
We always recommend hiring qualified Cardiff conservatory roof specialists for leaks, replacements or structural issues. For confident homeowners with the right tools and PPE, small maintenance jobs such as clearing gutters, replacing end caps, or resealing trims may sometimes be attempted yourself.
We’re still gathering supplier information for Cardiff.
In the meantime, you can search for conservatory roof suppliers in Cardiff on Google Maps.
Note: Listings are for convenience only; we do not recommend or endorse any individual supplier.
Barry - 6.5 miles
31 Dec 2025
Newport - 10.7 miles
30 Dec 2025
Pontypridd - 11.0 miles
29 Dec 2025