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Compare free conservatory roof repair quotes from Portsmouth roofers. Covering Fratton, Southsea, Copnor, Milton, North End, Cosham...
Updated: 30 Mar 2026
30 Mar 2026
North End: Skylight Condensation Investigation on larger roof (~14m²) Lantern / Skylight (Orangery). Thermal movement opening cap joints. Scaffold tower likely (two-storey rear). became worse after summer expansion/contraction.
28 Mar 2026
Chase & Repoint Abutment — Flashing / Wall Abutment, 6m² (Southsea). Cavity tray suspected missing above connection. Rear garden only, narrow ladder access. noticed during recent storms.
26 Mar 2026
Copnor: End Cap Replacement & Reseal on about 22m² Polycarbonate. Noise transmission in heavy rain – seek damping options. Access via side gate, limited space for tower. Insurance inspection pending.
23 Mar 2026
Lantern Base Seal Renewal — Lantern / Skylight, about 24m² (Copnor). Misted unit within lantern requiring swap. Rear garden only, narrow ladder access. Insurance inspection pending.
23 Mar 2026
End Cap Replacement & Reseal — Polycarbonate, approx. 15 square metres (Fratton). Noise transmission in heavy rain – seek damping options. Shared boundary access agreed with neighbour. Ongoing maintenance request.
20 Mar 2026
Eastney: Repair Slip at Roof-to-Wall Abutment on 15m² Tiled Warm Roof (T-shaped). Fixings backed out on south-facing pitch. Access only via conservatory itself (internal).
18 Mar 2026
After Storm Damage: Cavity Tray Check Above Roofline — Flashing / Wall Abutment, about 14m² (Baffins). Leaks appearing only in heavy downpours. Full scaffold needed due to height/obstructions.
18 Mar 2026
Southsea: Underlay Patch & Rebatten (localised) on larger roof (~15m²) Tiled Warm Roof (Gable-front). Gutter overflow dripping onto patio/doors. Front driveway, easy ladder access. Ongoing maintenance request.
14 Mar 2026
Box Gutter Clean & Reline (P-shaped) — Box Gutter / Drainage, 12m² (Southsea). Outlet pipe reduced by silt and sludge. Over conservatory extension — requires roof ladder. Request from landlord of rental property.
13 Mar 2026
Inspection: Counter-Flashing Install/Refix (P-shaped) — Flashing / Wall Abutment (Victorian), about 18m² (Southsea). Moss and debris build-up on glazing bars. Shared boundary access agreed with neighbour. worsened over the past month.
11 Mar 2026
Hilsea: Box Gutter Clean & Reline on small roof (10m²) Box Gutter / Drainage. Backfall towards the lantern base. Access via side gate, limited space for tower.
8 Mar 2026
Secure Loose Glazing Bar Cap — Polycarbonate, larger roof (~15m²) (Cosham). Cold spots and heat loss in winter. Tight courtyard – debris removal by hand. Request from landlord of rental property.
| Job | Basis | Typical Range |
|---|---|---|
| Replace one polycarbonate panel | per panel | £150 - £300 |
| Replace one glass roof unit | per unit | £250 - £500 |
| Box gutter clean & reseal | job | £120 - £250 |
| Lead flashing renewal | job | £200 - £400 |
| Replace glazing bar gaskets | per bar | £80 - £150 |
| End cap replacement set | set | £60 - £120 |
| Internal reseal against leaks | job | £150 - £300 |
| Full polycarbonate roof re-sheet | 20m² | £1,800 - £2,800 |
| Lightweight tiled roof conversion | 20m² | £6,000 - £10,000 |
| Add insulation & plaster ceiling | 20m² | £1,500 - £2,500 |
Guide prices only. Actual quotes vary by access, substrate condition, detailing, and material choice.
| Type | Number | Share |
|---|---|---|
| Glass | 4 | 13% |
| Gaskets & Trims (uPVC) | 5 | 17% |
| Polycarbonate | 6 | 20% |
| Flashing / Wall Abutment | 5 | 17% |
| Tiled Warm Roof | 4 | 13% |
| Lantern / Skylight | 3 | 10% |
| Box Gutter / Drainage | 3 | 10% |
(Number of quote requests received in and around Portsmouth over the previous 12 weeks)
26 Mar 2026
General service of lantern/skylight on Lantern / Skylight to resolve Misted unit within lantern requiring swap; fixings tightened and seals refreshed.
| Step | Description | Minutes |
|---|---|---|
| Service | Tighten fixings; clean. | 18 |
| Seal | Renew perimeter seals. | 15 |
| Drain | Clear drainage paths; test. | 11 |
Estimated time: ~44 minutes
19 Mar 2026
Localised leak on Tiled Warm Roof traced to eaves trim; resealed and fasteners tightened.
| Step | Description | Minutes |
|---|---|---|
| Trace | Hose test; isolate source. | 17 |
| Reseal | Apply sealant; replace failed strip. | 22 |
| QA | Re-test; photo log. | 11 |
Estimated time: ~50 minutes
We always recommend hiring qualified Portsmouth 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 Portsmouth.
In the meantime, you can search for conservatory roof suppliers in Portsmouth on Google Maps.
Note: Listings are for convenience only; we do not recommend or endorse any individual supplier.
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