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Compare free conservatory roof repair quotes from London roofers. Covering Croydon, Harrow, Bromley, Enfield, Hounslow, Islington...
Updated: 5 Sep 2025
5 Sep 2025
Capping Strip Repair — Gaskets & Trims (uPVC), 18m² (Kingston upon Thames). Perimeter draughts at closure trims. Full scaffold needed due to height/obstructions.
4 Sep 2025
Replace Perished Gaskets — Gaskets & Trims (uPVC), small roof (6m²) (Enfield). Shrunk gaskets leaving gaps. Steep garden slope complicates ladder setup. Ongoing maintenance request.
31 Aug 2025
Skylight Perimeter Trim Replacement — Lantern / Skylight, about 16m² (Kingston upon Thames). Condensation visible on cool mornings. Neighbour access arranged. persistent since spring. Ongoing maintenance request.
29 Aug 2025
End Cap Set Replacement in Enfield on about 9m² Gaskets & Trims (uPVC) (Lean-to) conservatory roof. Issue: Seals compressed and no longer weather-tight. Access: Access only via conservatory itself (internal). recurring issue despite previous patch.
29 Aug 2025
Barnet: Polycarbonate Panel Replacement on small roof (10m²) Polycarbonate (Lean-to). Algae build-up holding moisture at joints. Rear garden only, narrow ladder access. noticed during recent storms.
29 Aug 2025
Mortar Joint Rake & Repoint in Enfield on larger roof (~20m²) Flashing / Wall Abutment (P-shaped) conservatory roof. Issue: Undersized flashing not covering profile. Access: Shared boundary access agreed with neighbour. only apparent after snow melt.
28 Aug 2025
Islington: Fix Noise from Loose Tiles in Wind (Lean-to) on 6m² Tiled Warm Roof. Sealant failure at hip/ridge junction. Access only via conservatory itself (internal). Insurance inspection pending.
28 Aug 2025
Kingston upon Thames: Inspection: Lantern Ridge & Capping Service on small roof (8m²) Lantern / Skylight. Flashing lifted on one side. Narrow side passage; debris removal tricky. Homeowner preparing to sell.
| Job | Basis | Typical Range |
|---|---|---|
| Replace one polycarbonate panel | per panel | £141 - £282 |
| Replace one glass roof unit | per unit | £235 - £470 |
| Box gutter clean & reseal | job | £113 - £235 |
| Lead flashing renewal | job | £188 - £376 |
| Replace glazing bar gaskets | per bar | £75 - £141 |
| End cap replacement set | set | £56 - £113 |
| Internal reseal against leaks | job | £141 - £282 |
| Full polycarbonate roof re-sheet | 20m² | £1,692 - £2,632 |
| Lightweight tiled roof conversion | 20m² | £5,640 - £9,400 |
| Add insulation & plaster ceiling | 20m² | £1,410 - £2,350 |
Guide prices only. Actual quotes vary by access, substrate condition, detailing, and material choice.
| Type | Number | Share |
|---|---|---|
| Lantern / Skylight | 2 | 25% |
| Tiled Warm Roof | 1 | 13% |
| Flashing / Wall Abutment | 1 | 13% |
| Polycarbonate | 1 | 13% |
| Gaskets & Trims (uPVC) | 3 | 38% |
(Number of quote requests received in and around London over the previous 12 weeks)
2 Sep 2025
UV-brittle trims renewed on Gaskets & Trims (uPVC); neat seal finishes to prevent water tracking.
| Step | Description | Minutes |
|---|---|---|
| Remove | Carefully remove damaged trims. | 18 |
| Replace | Install new trims; align. | 17 |
| Seal | Run clean seal beads; tidy. | 11 |
Estimated time: ~46 minutes
2 Sep 2025
General service of lantern/skylight on Lantern / Skylight to resolve Condensation visible on cool mornings; fixings tightened and seals refreshed.
| Step | Description | Minutes |
|---|---|---|
| Service | Tighten fixings; clean. | 13 |
| Seal | Renew perimeter seals. | 18 |
| Drain | Clear drainage paths; test. | 9 |
Estimated time: ~40 minutes
We always recommend hiring qualified London 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 London.
In the meantime, you can search for conservatory roof suppliers in London on Google Maps.
Note: Listings are for convenience only; we do not recommend or endorse any individual supplier.
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