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Compare free conservatory roof repair quotes from Cardiff roofers. Covering Canton, Roath, Grangetown, Llanishen, Splott, Whitchurch...
Updated: 9 Aug 2026
9 Aug 2026
Mortar Joint Rake & Repoint in Roath on 20m² Flashing / Wall Abutment (Gable-front) conservatory roof. Issue: Sealant-only detail failing at movement joint. Access: Scaffold tower likely (two-storey rear).
8 Aug 2026
Mortar Joint Rake & Repoint in Cathays on approx. 20 square metres Flashing / Wall Abutment (L-shaped) conservatory roof. Issue: Open chase where roof meets house wall. Access: Through garage, internal ladder route. issue highlighted during routine insurance check. Small business owner needs urgent repair.
7 Aug 2026
Llanishen: Inspection: Box Gutter Leak Repair on approx. 10 square metres Box Gutter / Drainage (Lean-to). Backfall towards the lantern base. Rear garden only, narrow ladder access.
2 Aug 2026
Rhiwbina: Failed Roof Unit Replacement on about 14m² Glass (Gable-front). Blown unit with condensation between panes. Tight courtyard – debris removal by hand.
30 Jul 2026
Polycarbonate Roof Leak Investigation in Cathays on 16m² Polycarbonate conservatory roof. Issue: UV-yellowing and brittle sheet causing leaks at fixings. Access: Full scaffold needed due to height/obstructions. noticed during recent storms.
28 Jul 2026
Panel Reseat & Reseal (Edwardian) — Polycarbonate (Orangery), 18m² (Heath). Water marks on interior blinds/curtains. Through garage, internal ladder route. Homeowner preparing to sell.
27 Jul 2026
Chase & Repoint Abutment — Flashing / Wall Abutment, 22m² (Splott). Loose fixings pulling flashing away from wall. Narrow side passage; debris removal tricky. Small business owner needs urgent repair.
22 Jul 2026
Roath: Overheating/Noise – Panel Upgrade Advice on larger roof (~20m²) Polycarbonate. Dislodged end cap allowing water ingress. Tight courtyard – debris removal by hand. Small business owner needs urgent repair.
21 Jul 2026
Low-E / Solar Control Unit Replacement — Glass, approx. 16 square metres (Rhiwbina). Puddling on conservatory floor tiles. Tight courtyard – debris removal by hand. worsened over the past month. Homeowner preparing to sell.
21 Jul 2026
Llanishen: Broken/Slipped Roof Pane on about 9m² Glass. Failed warm-edge spacer causing misting. Tight courtyard – debris removal by hand. Request from landlord of rental property.
16 Jul 2026
Llandaff: Misted Double-Glazed Roof Unit on 22m² Glass. Minor scratches/etching reducing clarity. Scaffold tower likely (two-storey rear). only apparent after snow melt. Ongoing maintenance request.
13 Jul 2026
Ely: Install Lead Cover Flashing on 18m² Flashing / Wall Abutment (T-shaped). Water tracking behind flashing on heavy rain. Rear garden only, narrow ladder access. leak only visible during prolonged downpours.
| 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 | 6 | 20% |
| Polycarbonate | 8 | 27% |
| Tiled Warm Roof | 2 | 7% |
| Lantern / Skylight | 1 | 3% |
| Flashing / Wall Abutment | 7 | 23% |
| Box Gutter / Drainage | 4 | 13% |
| Gaskets & Trims (uPVC) | 2 | 7% |
(Number of quote requests received in and around Cardiff over the previous 12 weeks)
10 Aug 2026
General make-good to flashing/abutment on Flashing / Wall Abutment following Sealant-only detail failing at movement joint. Work carried out at two-storey height.
| Step | Description | Minutes |
|---|---|---|
| Inspect | Identify weak points. | 10 |
| Make-good | Seal/refix as required. | 21 |
| Test | Light hose test; photo log. | 12 |
Estimated time: ~43 minutes
1 Aug 2026
Localised leak on Polycarbonate traced to gasket shrinkage. Joints cleaned and re-sealed; drainage paths cleared.
| Step | Description | Minutes |
|---|---|---|
| Trace | Hose test; identify ingress point. | 19 |
| Seal | Replace/augment gaskets; apply sealant sparingly. | 22 |
| Drainage | Clear box gutter/outlets; final check. | 15 |
Estimated time: ~56 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
9 Aug 2026
Newport - 10.7 miles
13 Aug 2026
Pontypridd - 11.0 miles
11 Aug 2026