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Compare free conservatory roof repair quotes from London roofers. Covering Croydon, Harrow, Bromley, Enfield, Hounslow, Islington...
Updated: 15 Feb 2026
15 Feb 2026
After Storm Damage: UV-Damaged Trim Replacement in Barnet on small roof (10m²) Gaskets & Trims (uPVC) (P-shaped) conservatory roof. Issue: Debris trapped under trims creating water track. Access: Steep garden slope complicates ladder setup. Request from landlord of rental property.
12 Feb 2026
Harrow: Replace Discoloured Polycarbonate Sheet (Lean-to) on 22m² Polycarbonate (Lean-to). Algae build-up holding moisture at joints. Front driveway, easy ladder access. Insurance inspection pending.
8 Feb 2026
Barnet: Repack Lantern Bars & Refix Caps on about 18m² Lantern / Skylight. Thermal movement opening cap joints. Rear alley access but no vehicle parking. first seen this winter. Insurance inspection pending.
5 Feb 2026
Bromley: Joint Cover Replacement on about 10m² Gaskets & Trims (uPVC). Missing clips allowing cap lift. Front driveway, easy ladder access. Ongoing maintenance request.
5 Feb 2026
Fit Leaf Guards to Outlets — Box Gutter / Drainage, approx. 22 square metres (Hounslow). Loose or rattling roof components in wind. Access only via conservatory itself (internal). noticed during recent storms.
2 Feb 2026
After Storm Damage: Abutment Soaker Replacement in Islington on approx. 22 square metres Flashing / Wall Abutment conservatory roof. Issue: Sealant-only detail failing at movement joint. Access: Access only via conservatory itself (internal). Ongoing maintenance request.
28 Jan 2026
Croydon: Perimeter Closure Trim Renewal on larger roof (~24m²) Gaskets & Trims (uPVC) (Victorian). Incompatible sealant used previously – not bonding. Shared boundary access agreed with neighbour.
28 Jan 2026
Enfield: Inspection: Mortar Joint Rake & Repoint on approx. 18 square metres Flashing / Wall Abutment. Open chase where roof meets house wall. Access only via conservatory itself (internal).
26 Jan 2026
Downpipe/Spout Unblock & Test in Barnet on small roof (9m²) Box Gutter / Drainage conservatory roof. Issue: Loose or rattling roof components in wind. Access: Through garage, internal ladder route. appeared suddenly after recent heatwave.
22 Jan 2026
Fix Capillary Drip at Abutment in Harrow on 10m² Flashing / Wall Abutment conservatory roof. Issue: Staining on internal reveal at abutment. Access: Neighbour access arranged. problem ongoing since last autumn.
20 Jan 2026
Capping Strip Repair (P-shaped) — Gaskets & Trims (uPVC), about 22m² (Kingston upon Thames). Missing clips allowing cap lift. Access via side gate, limited space for tower. issue highlighted during routine insurance check. Homeowner preparing to sell.
19 Jan 2026
Repair Slip at Roof-to-Wall Abutment — Tiled Warm Roof (Gable-front), small roof (9m²) (Bromley). Poorly sealed eaves trim. Rear garden only, narrow ladder access. Small business owner needs urgent repair.
| 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 |
|---|---|---|
| Flashing / Wall Abutment | 8 | 27% |
| Lantern / Skylight | 6 | 20% |
| Tiled Warm Roof | 3 | 10% |
| Glass | 1 | 3% |
| Polycarbonate | 2 | 7% |
| Box Gutter / Drainage | 6 | 20% |
| Gaskets & Trims (uPVC) | 4 | 13% |
(Number of quote requests received in and around London 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. | 15 |
| Seal | Renew perimeter seals. | 17 |
| Drain | Clear drainage paths; test. | 13 |
Estimated time: ~45 minutes
31 Jan 2026
UV-brittle trims renewed on Gaskets & Trims (uPVC); neat seal finishes to prevent water tracking. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Remove | Carefully remove damaged trims. | 15 |
| Replace | Install new trims; align. | 17 |
| Seal | Run clean seal beads; tidy. | 8 |
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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