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Compare free conservatory roof repair quotes from Chelmsford roofers. Covering Moulsham, Springfield, Broomfield, Writtle, Great Baddow, Chelmer Village...
Updated: 14 May 2026
14 May 2026
Replace Discoloured Polycarbonate Sheet — Polycarbonate (L-shaped), approx. 6 square metres (Tile Kiln). Algae build-up holding moisture at joints. Rear garden only, narrow ladder access. became worse after summer expansion/contraction.
12 May 2026
Lantern Drainage Slot Clean — Lantern / Skylight, larger roof (~15m²) (Great Baddow). Thermal movement opening cap joints. Over conservatory extension — requires roof ladder. first seen this winter.
11 May 2026
Box Gutter Joint Reseal — Box Gutter / Drainage, approx. 8 square metres (Moulsham). Bird nesting material blocking weirs. Through garage, internal ladder route.
7 May 2026
Leak at Glazing Bar in Old Moulsham on 22m² Polycarbonate conservatory roof. Issue: Capillary action at panel edges due to failed tape. Access: Steep garden slope complicates ladder setup. recurring issue despite previous patch.
4 May 2026
Tile Kiln: Secure Loose Glazing Bar Cap on approx. 16 square metres Polycarbonate (Gable-front). Screw fixings pulling through after wind uplift. Rear garden only, narrow ladder access. after last week’s heavy rain. Insurance inspection pending.
3 May 2026
Cavity Tray Check Above Roofline (Victorian) — Flashing / Wall Abutment, approx. 16 square metres (Moulsham). Green algae growth making roof slippery. Steep garden slope complicates ladder setup. Insurance inspection pending.
1 May 2026
Top Capping Leak Investigation in Galleywood on approx. 14 square metres Glass conservatory roof. Issue: Degraded perimeter sealant along glass edge. Access: Rear garden only, narrow ladder access. first seen this winter. Small business owner needs urgent repair.
27 Apr 2026
Fit Leaf Guards to Outlets in Broomfield on about 15m² Box Gutter / Drainage conservatory roof. Issue: Standing water/ponding in box gutter. Access: Front driveway, easy ladder access. Insurance inspection pending.
23 Apr 2026
End Cap Replacement & Reseal (Victorian) — Polycarbonate (Lean-to), larger roof (~22m²) (Chelmer Village). Dislodged end cap allowing water ingress. Front driveway, easy ladder access. Ongoing maintenance request.
22 Apr 2026
Replace Discoloured Polycarbonate Sheet in Beaulieu on about 22m² Polycarbonate (Gable-front) conservatory roof. Issue: Blocked gutters/downpipes after storms. Access: Access only via conservatory itself (internal).
20 Apr 2026
Lantern Drainage Slot Clean in Great Baddow on about 14m² Lantern / Skylight conservatory roof. Issue: Water marks on plastered upstand beneath lantern. Access: Rear garden only, narrow ladder access. Ongoing maintenance request.
16 Apr 2026
Polycarbonate Panel Repack & Refix — Polycarbonate (Victorian), 9m² (Old Moulsham). Noise transmission in heavy rain – seek damping options. Scaffold tower likely (two-storey rear). Ongoing maintenance request.
| Job | Basis | Typical Range |
|---|---|---|
| Replace one polycarbonate panel | per panel | £161 - £321 |
| Replace one glass roof unit | per unit | £268 - £535 |
| Box gutter clean & reseal | job | £128 - £268 |
| Lead flashing renewal | job | £214 - £428 |
| Replace glazing bar gaskets | per bar | £86 - £161 |
| End cap replacement set | set | £64 - £128 |
| Internal reseal against leaks | job | £161 - £321 |
| Full polycarbonate roof re-sheet | 20m² | £1,926 - £2,996 |
| Lightweight tiled roof conversion | 20m² | £6,420 - £10,700 |
| Add insulation & plaster ceiling | 20m² | £1,605 - £2,675 |
Guide prices only. Actual quotes vary by access, substrate condition, detailing, and material choice.
| Type | Number | Share |
|---|---|---|
| Polycarbonate | 10 | 33% |
| Glass | 2 | 7% |
| Lantern / Skylight | 5 | 17% |
| Box Gutter / Drainage | 6 | 20% |
| Flashing / Wall Abutment | 5 | 17% |
| Gaskets & Trims (uPVC) | 2 | 7% |
(Number of quote requests received in and around Chelmsford over the previous 12 weeks)
11 May 2026
Perished mastic at outlet on Box Gutter / Drainage renewed; leaf guard installed to prevent repeat blockage.
| Step | Description | Minutes |
|---|---|---|
| Strip | Remove old sealant; dry area. | 12 |
| Reseal | Apply mastic/liner patch. | 15 |
| Guard | Fit leaf guard; test flow. | 8 |
Estimated time: ~35 minutes
4 May 2026
General make-good to flashing/abutment on Flashing / Wall Abutment following Green algae growth making roof slippery.
| Step | Description | Minutes |
|---|---|---|
| Inspect | Identify weak points. | 10 |
| Make-good | Seal/refix as required. | 21 |
| Test | Light hose test; photo log. | 13 |
Estimated time: ~44 minutes
We always recommend hiring qualified Chelmsford 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.
Widford Industrial Estate, Unit 23 Rodney Way, Chelmsford CM1 3BY, United Kingdom
36 Church St, Great Baddow, Chelmsford CM2 7HY, United Kingdom
Note: Listings are for convenience only; we do not recommend or endorse any individual supplier.
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