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Compare free conservatory roof repair quotes from London roofers. Covering Croydon, Harrow, Bromley, Enfield, Hounslow, Islington...
Updated: 29 Jun 2026
29 Jun 2026
uPVC Trims – Reclip & Seal — Gaskets & Trims (uPVC), 15m² (Richmond). Draughts at roof edge or vent. Access via side gate, limited space for tower. persistent since spring. Insurance inspection pending.
25 Jun 2026
Kingston upon Thames: After Storm Damage: Cavity Tray Check Above Roofline (Edwardian) on small roof (10m²) Flashing / Wall Abutment (Lean-to). Cavity tray suspected missing above connection. Narrow side passage; debris removal tricky. first seen this winter.
25 Jun 2026
Harrow: Replace Discoloured Polycarbonate Sheet (Victorian) on about 10m² Polycarbonate (Edwardian). Perished glazing bar gaskets. Steep garden slope complicates ladder setup. Small business owner needs urgent repair.
21 Jun 2026
Lead Flashing Renewal (P-shaped) in Bromley on about 8m² Flashing / Wall Abutment conservatory roof. Issue: Staining on internal reveal at abutment. Access: Through garage, internal ladder route. became worse after summer expansion/contraction. Small business owner needs urgent repair.
16 Jun 2026
Bromley: Replace Perished Gaskets on small roof (8m²) Gaskets & Trims (uPVC). Overheating during summer afternoons. Over conservatory extension — requires roof ladder.
16 Jun 2026
Hackney: Panel Reseat & Reseal on 22m² Polycarbonate. Capillary action at panel edges due to failed tape. Rear alley access but no vehicle parking. Ongoing maintenance request.
13 Jun 2026
Lantern Roof Leak Repair (Lean-to) — Lantern / Skylight, small roof (10m²) (Kingston upon Thames). Sealant smear over old silicone not bonding. Over conservatory extension — requires roof ladder.
7 Jun 2026
Warm Roof Leak Investigation in Harrow on approx. 6 square metres Tiled Warm Roof (Edwardian) conservatory roof. Issue: Loose verge detail letting in wind-driven rain. Access: Rear garden only, narrow ladder access. issue highlighted during routine insurance check. Insurance inspection pending.
5 Jun 2026
Joint Cover Replacement — Gaskets & Trims (uPVC) (Lean-to), approx. 10 square metres (Richmond). Colour-faded trims needing like-for-like swap. Front driveway, easy ladder access.
5 Jun 2026
Repack Lantern Bars & Refix Caps in Islington on approx. 14 square metres Lantern / Skylight (P-shaped) conservatory roof. Issue: Flashing lifted on one side. Access: Rear garden only, narrow ladder access. only apparent after snow melt.
31 May 2026
End Cap Replacement & Reseal (Gable-front) — Polycarbonate, about 15m² (Barnet). Moss and debris build-up on glazing bars. Through garage, internal ladder route. worsened over the past month.
29 May 2026
Hounslow: Inspection: Polycarbonate Panel Replacement on approx. 6 square metres Polycarbonate (Orangery). Gutter overflow dripping onto patio/doors. Front driveway, easy ladder access.
| 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 | 7 | 23% |
| Glass | 3 | 10% |
| Lantern / Skylight | 4 | 13% |
| Tiled Warm Roof | 2 | 7% |
| Box Gutter / Drainage | 3 | 10% |
| Gaskets & Trims (uPVC) | 4 | 13% |
| Polycarbonate | 7 | 23% |
(Number of quote requests received in and around London over the previous 12 weeks)
28 Jun 2026
General make-good to flashing/abutment on Flashing / Wall Abutment following Cavity tray suspected missing above connection.
| Step | Description | Minutes |
|---|---|---|
| Inspect | Identify weak points. | 13 |
| Make-good | Seal/refix as required. | 18 |
| Test | Light hose test; photo log. | 8 |
Estimated time: ~39 minutes
16 Jun 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. | 21 |
| Seal | Run clean seal beads; tidy. | 11 |
Estimated time: ~48 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
28 Jun 2026
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26 Jun 2026
Basildon - 26.9 miles
27 Jun 2026