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Compare free conservatory roof repair quotes from London roofers. Covering Croydon, Harrow, Bromley, Enfield, Hounslow, Islington...
Updated: 11 Nov 2026
11 Nov 2026
Draft-Proof Roof Perimeter in Croydon on small roof (10m²) Gaskets & Trims (uPVC) conservatory roof. Issue: Missing clips allowing cap lift. Access: Rear alley access but no vehicle parking.
10 Nov 2026
Box Gutter Clean & Reline — Box Gutter / Drainage, approx. 24 square metres (Croydon). Failed joint tape at internal corner. Rear garden only, narrow ladder access.
6 Nov 2026
After Storm Damage: Box Gutter Clean & Reline — Box Gutter / Drainage (P-shaped), larger roof (~14m²) (Kingston upon Thames). Seam pinholes along gutter length. Front driveway, easy ladder access.
5 Nov 2026
Lightweight Tile Repair in Hounslow on 16m² Tiled Warm Roof conservatory roof. Issue: Underlay tear causing local leak. Access: Front driveway, easy ladder access.
4 Nov 2026
Croydon: Box Gutter Leak Repair on about 9m² Box Gutter / Drainage (T-shaped). Outlet pipe reduced by silt and sludge. Rear alley access but no vehicle parking. persistent since spring. Insurance inspection pending.
31 Oct 2026
Wind Noise – Lantern Cap Adjustment in Hackney on about 18m² Lantern / Skylight conservatory roof. Issue: Blocked drainage paths within lantern frame. Access: Through garage, internal ladder route. problem ongoing since last autumn.
30 Oct 2026
Harrow: Inspection: Soffit/Eaves Vent Check & Clear on about 20m² Tiled Warm Roof. Condensation due to blocked ventilation path. Access via side gate, limited space for tower.
28 Oct 2026
Glazing Bar Cap Refit in Kingston upon Thames on 20m² Gaskets & Trims (uPVC) conservatory roof. Issue: Incompatible sealant used previously – not bonding. Access: Neighbour access arranged.
26 Oct 2026
Repack Lantern Bars & Refix Caps — Lantern / Skylight (Gable-front), about 10m² (Enfield). Noisy rain on polycarbonate reported. Access only via conservatory itself (internal).
24 Oct 2026
Replace Lantern Glass Unit — Lantern / Skylight, approx. 18 square metres (Islington). Water marks on plastered upstand beneath lantern. Neighbour access arranged. Insurance inspection pending.
22 Oct 2026
Warm Roof Re-seal at Eaves in Hounslow on approx. 22 square metres Tiled Warm Roof conservatory roof. Issue: Draughts at roof edge or vent. Access: Steep garden slope complicates ladder setup.
20 Oct 2026
Failed Roof Unit Replacement — Glass (P-shaped), approx. 20 square metres (Islington). Failed warm-edge spacer causing misting. Tight courtyard – debris removal by hand.
| 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 |
|---|---|---|
| Glass | 6 | 20% |
| Tiled Warm Roof | 6 | 20% |
| Gaskets & Trims (uPVC) | 5 | 17% |
| Polycarbonate | 1 | 3% |
| Box Gutter / Drainage | 7 | 23% |
| Lantern / Skylight | 5 | 17% |
(Number of quote requests received in and around London over the previous 12 weeks)
12 Nov 2026
Rattling/noise on Gaskets & Trims (uPVC) in wind resolved by re-clipping bar caps and replacing missing clips. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Survey | Identify loose/noisy caps. | 12 |
| Reclip | Fit new clips; re-seat caps. | 20 |
| Seal | Seal ends; test for rattle. | 13 |
Estimated time: ~45 minutes
5 Nov 2026
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. | 8 |
| Reseal | Apply mastic/liner patch. | 17 |
| Guard | Fit leaf guard; test flow. | 8 |
Estimated time: ~33 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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