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Compare free conservatory roof repair quotes from Portsmouth roofers. Covering Fratton, Southsea, Copnor, Milton, North End, Cosham...
Updated: 9 Aug 2026
9 Aug 2026
Urgent: Lantern Base Seal Renewal (Edwardian) in Southsea on small roof (10m²) Lantern / Skylight conservatory roof. Issue: Thermal movement opening cap joints. Access: Access only via conservatory itself (internal). problem ongoing since last autumn.
9 Aug 2026
Cavity Tray Check Above Roofline — Flashing / Wall Abutment, larger roof (~18m²) (Drayton). Mortar failure along abutment line. Access via side gate, limited space for tower. problem ongoing since last autumn.
7 Aug 2026
Copnor: Inspection: Replace Damaged Verge Trim on 22m² Tiled Warm Roof. Difficulty closing conservatory doors after damp. Tight courtyard – debris removal by hand. Ongoing maintenance request.
4 Aug 2026
Fratton: Urgent: Warm Roof Re-seal at Eaves on larger roof (~16m²) Tiled Warm Roof (Edwardian). Sealant failure at hip/ridge junction. Rear alley access but no vehicle parking. first noticed during a cold snap. Insurance inspection pending.
2 Aug 2026
Eastney: Warm Roof Leak Investigation on approx. 12 square metres Tiled Warm Roof. Sealant failure at hip/ridge junction. Through garage, internal ladder route.
30 Jul 2026
Fratton: Box Gutter Leak Repair on approx. 6 square metres Box Gutter / Drainage. Bird nesting material blocking weirs. Access via side gate, limited space for tower. Small business owner needs urgent repair.
28 Jul 2026
Baffins: Urgent: Rebed Ridge System (clip/adhesive) on 24m² Tiled Warm Roof (Edwardian). Fixings backed out on south-facing pitch. Tight courtyard – debris removal by hand. leak only visible during prolonged downpours. Insurance inspection pending.
25 Jul 2026
Copnor: Wall Abutment Re-seal on 16m² Flashing / Wall Abutment (Edwardian). Open chase where roof meets house wall. Access only via conservatory itself (internal).
23 Jul 2026
Repair Slip at Roof-to-Wall Abutment in Cosham on 10m² Tiled Warm Roof conservatory roof. Issue: Fixings backed out on south-facing pitch. Access: Rear garden only, narrow ladder access. after last week’s heavy rain. Insurance inspection pending.
21 Jul 2026
Standing Water – Regrade Box Gutter in Cosham on 22m² Box Gutter / Drainage (Orangery) conservatory roof. Issue: Wind-driven rain causing intermittent drips. Access: Rear garden only, narrow ladder access.
20 Jul 2026
End Cap Replacement & Reseal — Polycarbonate, 9m² (North End). Perished glazing bar gaskets. Steep garden slope complicates ladder setup.
15 Jul 2026
Underlay Patch & Rebatten (localised) in Cosham on 18m² Tiled Warm Roof conservatory roof. Issue: Ridge caps loose after high winds. Access: Narrow side passage; debris removal tricky. 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 |
|---|---|---|
| Flashing / Wall Abutment | 4 | 13% |
| Glass | 2 | 7% |
| Lantern / Skylight | 3 | 10% |
| Box Gutter / Drainage | 3 | 10% |
| Gaskets & Trims (uPVC) | 5 | 17% |
| Tiled Warm Roof | 10 | 33% |
| Polycarbonate | 3 | 10% |
(Number of quote requests received in and around Portsmouth over the previous 12 weeks)
11 Aug 2026
Open/under-filled chase above Flashing / Wall Abutment sealed and properly pointed to stop wind-driven rain.
| Step | Description | Minutes |
|---|---|---|
| Clean | Brush out dust; dampen. | 7 |
| Fill | Apply mortar/compatible sealant. | 15 |
| Finish | Tool joints; inspect internally. | 13 |
Estimated time: ~35 minutes
3 Aug 2026
Loose ridge cap and draught at verge on Tiled Warm Roof corrected; ventilation path confirmed.
| Step | Description | Minutes |
|---|---|---|
| Remove & clean | Lift ridge/verge trims; clean. | 18 |
| Re-fix | Re-bed/clip ridge; secure verge. | 25 |
| Vent check | Confirm airflow; finish seal. | 10 |
Estimated time: ~53 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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