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Compare free conservatory roof repair quotes from London roofers. Covering Croydon, Harrow, Bromley, Enfield, Hounslow, Islington...
Updated: 24 Sep 2026
24 Sep 2026
End Cap Set Replacement — Gaskets & Trims (uPVC) (Gable-front), approx. 15 square metres (Harrow). Colour-faded trims needing like-for-like swap. Steep garden slope complicates ladder setup. noticed while cleaning roof panels.
22 Sep 2026
Ridge Cap Refix in Hackney on larger roof (~22m²) Tiled Warm Roof conservatory roof. Issue: Insulation gap causing cold spots. Access: Access only via conservatory itself (internal). reported again after temporary DIY repair failed.
21 Sep 2026
Panel Reseat & Reseal — Polycarbonate, small roof (8m²) (Harrow). Screw fixings pulling through after wind uplift. Shared boundary access agreed with neighbour.
16 Sep 2026
Glazing Bead Refit & Seal in Hounslow on small roof (10m²) Glass conservatory roof. Issue: Glazing beads not seated evenly after movement. Access: Steep garden slope complicates ladder setup. appeared suddenly after recent heatwave. Insurance inspection pending.
16 Sep 2026
Replace Perished Gaskets (rear conservatory) in Kingston upon Thames on approx. 12 square metres Gaskets & Trims (uPVC) conservatory roof. Issue: Loose bar caps letting wind-driven rain in. Access: Narrow side passage; debris removal tricky. Homeowner preparing to sell.
14 Sep 2026
Underlay Patch & Rebatten (localised) — Tiled Warm Roof, 18m² (Enfield). Insulation gap causing cold spots. Rear alley access but no vehicle parking. Homeowner preparing to sell.
10 Sep 2026
Glass Unit Repack & Reseal — Glass (Gable-front), about 16m² (Bromley). Moss and debris build-up on glazing bars. Over conservatory extension — requires roof ladder. Insurance inspection pending.
10 Sep 2026
Leaking Glass Conservatory Roof in Hackney on about 8m² Glass conservatory roof. Issue: Minor scratches/etching reducing clarity. Access: Over conservatory extension — requires roof ladder. Insurance inspection pending.
6 Sep 2026
Inspection: Replace Damaged Verge Trim in Richmond on about 6m² Tiled Warm Roof conservatory roof. Issue: Ridge caps loose after high winds. Access: Tight courtyard – debris removal by hand. appeared suddenly after recent heatwave.
1 Sep 2026
Kingston upon Thames: Inspection: Glazing Bar Cap Refit on approx. 6 square metres Gaskets & Trims (uPVC). Incompatible sealant used previously – not bonding. Over conservatory extension — requires roof ladder.
1 Sep 2026
Capping Strip Repair — Gaskets & Trims (uPVC), about 12m² (Bromley). Perimeter draughts at closure trims. Access via side gate, limited space for tower. Insurance inspection pending.
29 Aug 2026
Replace Damaged Verge Trim in Bromley on larger roof (~15m²) Tiled Warm Roof conservatory roof. Issue: Condensation due to blocked ventilation path. Access: 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 |
|---|---|---|
| Gaskets & Trims (uPVC) | 7 | 23% |
| Box Gutter / Drainage | 2 | 7% |
| Flashing / Wall Abutment | 5 | 17% |
| Lantern / Skylight | 2 | 7% |
| Glass | 5 | 17% |
| Polycarbonate | 4 | 13% |
| Tiled Warm Roof | 5 | 17% |
(Number of quote requests received in and around London over the previous 12 weeks)
26 Sep 2026
UV-brittle trims renewed on Gaskets & Trims (uPVC); neat seal finishes to prevent water tracking.
| Step | Description | Minutes |
|---|---|---|
| Remove | Carefully remove damaged trims. | 16 |
| Replace | Install new trims; align. | 23 |
| Seal | Run clean seal beads; tidy. | 10 |
Estimated time: ~49 minutes
19 Sep 2026
Minor draught/leak on Glass addressed by repacking and resealing beads.
| Step | Description | Minutes |
|---|---|---|
| Check | Inspect beads; identify gaps. | 12 |
| Repack | Adjust packers; refit beads. | 21 |
| Seal | Run neat perimeter bead. | 12 |
Estimated time: ~45 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.
Watford - 15.3 miles
24 Sep 2026
Slough - 20.1 miles
23 Sep 2026
Basildon - 26.9 miles
27 Sep 2026