SAVE UP TO 50% IN JUST 60 SECS!
Compare free conservatory roof repair quotes from Merthyr Tydfil roofers. Covering Penydarren, Dowlais, Gurnos, Twynyrodyn, Georgetown, Abercanaid...
Updated: 15 Feb 2026
15 Feb 2026
Counter-Flashing Install/Refix — Flashing / Wall Abutment, larger roof (~16m²) (Dowlais). Loose fixings pulling flashing away from wall. Conservatory roof fragile - boards required. Ongoing maintenance request.
15 Feb 2026
Vaynor: Soffit/Eaves Vent Check & Clear on larger roof (~20m²) Tiled Warm Roof. Internal staining on plastered reveals. Scaffold tower likely (two-storey rear). Small business owner needs urgent repair.
9 Feb 2026
Vaynor: Replace Discoloured Polycarbonate Sheet on 15m² Polycarbonate. Condensation forming within multiwall channels. Shared boundary access agreed with neighbour.
7 Feb 2026
Skylight Perimeter Trim Replacement — Lantern / Skylight, about 8m² (Pant). Flashing lifted on one side. Access only via conservatory itself (internal). problem ongoing since last autumn.
7 Feb 2026
Downpipe/Spout Unblock & Test — Box Gutter / Drainage (Orangery), approx. 16 square metres (Pant). Seam pinholes along gutter length. Rear alley access but no vehicle parking. leak only visible during prolonged downpours.
1 Feb 2026
Leak at Glazing Bar — Polycarbonate, 18m² (Twynyrodyn). Condensation forming within multiwall channels. Narrow side passage; debris removal tricky. only apparent after snow melt.
30 Jan 2026
Lantern Sidelight Glass Unit Swap — Glass (Gable-front), approx. 8 square metres (Dowlais). Loose packers causing rattling and draughts. Front driveway, easy ladder access. appeared suddenly after recent heatwave.
30 Jan 2026
Lead Flashing Renewal — Flashing / Wall Abutment, 12m² (Gurnos). Loose fixings pulling flashing away from wall. Through garage, internal ladder route. noticed while cleaning roof panels.
24 Jan 2026
Downpipe/Spout Unblock & Test in Georgetown on about 15m² Box Gutter / Drainage conservatory roof. Issue: Pooling water around box gutter outlet. Access: Rear garden only, narrow ladder access. persistent since spring.
23 Jan 2026
Georgetown: Overheating/Noise – Panel Upgrade Advice on 14m² Polycarbonate (Lean-to). Panel slipped under storm load. Access only via conservatory itself (internal).
23 Jan 2026
Overheating/Noise – Panel Upgrade Advice — Polycarbonate (P-shaped), larger roof (~14m²) (Abercanaid). Screw fixings pulling through after wind uplift. Over conservatory extension — requires roof ladder. persistent since spring.
18 Jan 2026
Twynyrodyn: Cavity Tray Check Above Roofline on 16m² Flashing / Wall Abutment (Lean-to). Cavity tray suspected missing above connection. Through garage, internal ladder route. Request from landlord of rental property.
| Job | Basis | Typical Range |
|---|---|---|
| Replace one polycarbonate panel | per panel | £140 - £279 |
| Replace one glass roof unit | per unit | £233 - £465 |
| Box gutter clean & reseal | job | £112 - £233 |
| Lead flashing renewal | job | £186 - £372 |
| Replace glazing bar gaskets | per bar | £74 - £140 |
| End cap replacement set | set | £56 - £112 |
| Internal reseal against leaks | job | £140 - £279 |
| Full polycarbonate roof re-sheet | 20m² | £1,674 - £2,604 |
| Lightweight tiled roof conversion | 20m² | £5,580 - £9,300 |
| Add insulation & plaster ceiling | 20m² | £1,395 - £2,325 |
Guide prices only. Actual quotes vary by access, substrate condition, detailing, and material choice.
| Type | Number | Share |
|---|---|---|
| Gaskets & Trims (uPVC) | 4 | 13% |
| Flashing / Wall Abutment | 7 | 23% |
| Polycarbonate | 7 | 23% |
| Tiled Warm Roof | 2 | 7% |
| Glass | 4 | 13% |
| Box Gutter / Drainage | 3 | 10% |
| Lantern / Skylight | 3 | 10% |
(Number of quote requests received in and around Merthyr Tydfil over the previous 12 weeks)
10 Feb 2026
Localised leak on Polycarbonate traced to gasket shrinkage. Joints cleaned and re-sealed; drainage paths cleared. Autumn/Winter weather likely contributed.
| Step | Description | Minutes |
|---|---|---|
| Trace | Hose test; identify ingress point. | 21 |
| Seal | Replace/augment gaskets; apply sealant sparingly. | 27 |
| Drainage | Clear box gutter/outlets; final check. | 14 |
Estimated time: ~62 minutes
27 Jan 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. | 18 |
| Guard | Fit leaf guard; test flow. | 11 |
Estimated time: ~37 minutes
We always recommend hiring qualified Merthyr Tydfil 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 Merthyr Tydfil.
In the meantime, you can search for conservatory roof suppliers in Merthyr Tydfil on Google Maps.
Note: Listings are for convenience only; we do not recommend or endorse any individual supplier.
Aberdare - 3.8 miles
11 Feb 2026
Pontypridd - 10.1 miles
9 Feb 2026
Abergavenny - 16.2 miles
12 Feb 2026