SAVE UP TO 50% IN JUST 60 SECS!
Compare free conservatory roof repair quotes from Cardiff roofers. Covering Canton, Roath, Grangetown, Llanishen, Splott, Whitchurch...
Updated: 14 Feb 2026
14 Feb 2026
Inspection: Glazing Bead Refit & Seal in Penylan on 18m² Glass (P-shaped) conservatory roof. Issue: Thermal stress crack after cold snap. Access: Tight courtyard – debris removal by hand. reported again after temporary DIY repair failed. Ongoing maintenance request.
13 Feb 2026
Pontcanna: After Storm Damage: Box Gutter Leak Repair on 6m² Box Gutter / Drainage. Cold spots and heat loss in winter. Over conservatory extension — requires roof ladder.
9 Feb 2026
Skylight Flashing Reseal in Llandaff on approx. 16 square metres Lantern / Skylight conservatory roof. Issue: Thermal movement opening cap joints. Access: Rear garden only, narrow ladder access.
6 Feb 2026
Ely: Inspection: Abutment Soaker Replacement on approx. 16 square metres Flashing / Wall Abutment. Water tracking behind flashing on heavy rain. Over conservatory extension — requires roof ladder.
5 Feb 2026
Underlay Patch & Rebatten (localised) — Tiled Warm Roof, 15m² (Penylan). Poorly sealed eaves trim. Shared boundary access agreed with neighbour.
1 Feb 2026
Cathays: Panel Reseat & Reseal on about 9m² Polycarbonate. Condensation forming within multiwall channels. Access via side gate, limited space for tower. problem ongoing since last autumn. Small business owner needs urgent repair.
29 Jan 2026
After Storm Damage: Overflow Baffle/Deflector Install — Box Gutter / Drainage, 12m² (Pontcanna). Seam pinholes along gutter length. Front driveway, easy ladder access.
28 Jan 2026
Pontcanna: After Storm Damage: Fit Leaf Guards to Outlets on 24m² Box Gutter / Drainage (T-shaped). Leaf debris causing periodic overflows. Shared boundary access agreed with neighbour. issue highlighted during routine insurance check. Homeowner preparing to sell.
27 Jan 2026
Lightweight Tile Repair (L-shaped) — Tiled Warm Roof, small roof (9m²) (Whitchurch). Fixings backed out on south-facing pitch. Conservatory roof fragile - boards required. Insurance inspection pending.
22 Jan 2026
Grangetown: Urgent: Glazing Bead Refit & Seal on 18m² Glass (Lean-to). Glazing beads not seated evenly after movement. Full scaffold needed due to height/obstructions.
20 Jan 2026
Lantern Sidelight Glass Unit Swap in Splott on about 18m² Glass (Edwardian) conservatory roof. Issue: Odour of damp detected after storms. Access: Steep garden slope complicates ladder setup. Insurance inspection pending.
19 Jan 2026
Rhiwbina: Polycarbonate Edge Trim Repair on about 14m² Polycarbonate. Dislodged end cap allowing water ingress. Shared boundary access agreed with neighbour. 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 |
|---|---|---|
| Polycarbonate | 3 | 10% |
| Flashing / Wall Abutment | 4 | 13% |
| Gaskets & Trims (uPVC) | 3 | 10% |
| Glass | 7 | 23% |
| Tiled Warm Roof | 6 | 20% |
| Box Gutter / Drainage | 4 | 13% |
| Lantern / Skylight | 3 | 10% |
(Number of quote requests received in and around Cardiff over the previous 12 weeks)
11 Feb 2026
General service of lantern/skylight on Lantern / Skylight to resolve Thermal movement opening cap joints; fixings tightened and seals refreshed. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Service | Tighten fixings; clean. | 17 |
| Seal | Renew perimeter seals. | 15 |
| Drain | Clear drainage paths; test. | 9 |
Estimated time: ~41 minutes
3 Feb 2026
Routine clean and reseal on Box Gutter / Drainage to prevent overflow during heavy rain. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Clean | Clear leaves/sludge; rinse. | 19 |
| Seal | Touch-up joints and corners. | 13 |
| Test | Hose test; check downpipes. | 12 |
Estimated time: ~44 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
12 Feb 2026
Newport - 10.7 miles
11 Feb 2026
Pontypridd - 11.0 miles
9 Feb 2026