Velux window repairs, flashing replacement and new skylight installation across Portsmouth, Southsea and the Hampshire coast. Salt air in coastal Portsmouth degrades Velux flashing kits faster than inland — we specify coastal-grade flashings on all Portsmouth Velux work and carry out loft conversions on Victorian Southsea and Fratton terraces.
Velux and roof window repairs in Portsmouth cover seal failure, flashing and full replacement. We use coastal-grade flashing kits — standard zinc corrodes in salt air. Most repairs completed in one visit with a workmanship guarantee. Free survey — call 0239 307 1334.
Velux roof windows are common across Portsmouth's housing stock — particularly on Victorian and Edwardian terraces of Southsea and Fratton where loft conversions from the 1990s and 2000s added roof windows to existing attic spaces. The combination of age and coastal exposure creates a specific failure pattern: the factory-installed foam and rubber seals in older Velux flashing kits degrade faster in salt air than the manufacturer's design life assumes, resulting in slow infiltration leaks at the window perimeter.
Loft conversions on Victorian terraces in Southsea and Fratton raise additional considerations. The roof pitch on many of these properties is 45 to 55 degrees, and the close spacing of the terraces means scaffold access requires careful planning. We carry out Velux installation and flashing repair on these properties regularly and have the access solutions already established.
Leaking Velux or skylight in Portsmouth? We survey, identify the actual failure point, and quote repair or replacement in writing.
0239 307 1334Mon–Fri 8am–6pm · Sat 8am–2pm · 24/7 Emergency
"Velux in our Southsea loft conversion had been leaking for two winters. Two roofers told us the window needed replacing. Portsmouth Roofing identified it as the flashing kit — replaced it for £220. Perfectly dry since. Good honest diagnosis."
"Installed two new Velux windows in our Fratton Victorian loft conversion. Tight access in the terrace but no drama with the scaffold. Coastal-grade flashing kits specified, job done in a day."
"Flat roof skylight on our Cosham extension — seal had failed completely. Portsmouth Roofing replaced the gasket and upstand flashing in a single visit. Leaking stopped immediately."
Velux seal and flashing repair typically costs £150 to £350 per window depending on access and extent of flashing failure. Full Velux window replacement including fitting: £400 to £900 per unit depending on size. Free quotes on all work.
The most common cause is failed or salt-degraded flashing kits around the frame perimeter. Coastal air accelerates deterioration of the foam and rubber seals in standard Velux flashing kits. On older installations the factory kits were not designed for direct coastal exposure.
Yes — if the window frame and glazing are sound, replacing only the flashing kit is usually the correct repair. We assess the condition of frame and glazing as part of the survey and will tell you honestly if the window itself needs replacement.
Yes. Loft conversions on Victorian terraces in Southsea and Fratton are a regular source of Velux fitting work. We specify coastal-grade flashing kits for all Portsmouth installations.
Yes — we work on Fakro, Dakea and other brands as well as Velux. The flashing and seal repair process is largely the same across brands.
Yes free no-obligation written quotes on all work. No call-out fee. Call 0239 307 1334.
Yes. NFRC registered, fully insured, 10-year written guarantee on all work.
No call-out fees. No obligation. Just an honest quote from a local Portsmouth roofer.
0239 307 1334