How we approach pitched roof windows in Cowes
Our pitched roof windows service in Cowes covers centre-pivot and top-hung skylights for tiled and slate roofs. Every job starts with a survey of the opening, the roof covering and the room below, and a fixed written price.
Across the South East, single-storey kitchen extensions on 1930s semis and post-war detached houses are where most flat rooflights and lanterns go. Pitched roof windows suit pitched roofs over bedrooms, stairs and bathrooms.
We work across the Isle of Wight, including Cowes, and in neighbouring towns such as Newport, Isle of Wight and Ryde. Access, parking and how the glass reaches the roof are all checked at the survey.
Choices for your Cowes project
- Double or triple glazing
- Centre-pivot or top-hung
- Integral blinds and shutters
- Manual, electric or solar-powered opening
- Flashings for tiles, slates or recessed fitting
- Fits between rafters in most roofs
- Flashings to suit tiles or slates
Things we check at survey
- Rafters may need trimming for wider windows
- Escape-window rules can apply to loft rooms
Consents for pitched roof windows in Cowes
English householder permitted development (Class C) normally covers rooflights that stand no more than 0.15 m proud of the roof plane and stay below the highest part of the roof. Listed buildings need listed building consent, flats have no householder permitted development rights, and an Article 4 direction can remove the rights in some conservation areas.
Under Approved Document L, a rooflight added to an English home must achieve at least 2.2 W/m²K (horizontal plane), and a roof window 1.4 W/m²K or Window Energy Rating Band B. The Future Homes and Buildings Standards, published in March 2026, apply from 24 March 2027 and keep the 2.2 W/m²K limit for rooflights.
Read the planning permission guide before you commit to a design.
Guide prices for Cowes
These are typical supply-and-fit ranges. For an address in Cowes, scaffold, a hoist for heavy glass, or a new structural opening can move the figure, which is why we survey first.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large top-hung or electric window | £2,155 – £3,355 | £1,795 – £2,795 |
| Standard centre-pivot window Typical | £1,435 – £2,155 | £1,195 – £1,795 |
| Small roof window | £1,075 – £1,555 | £895 – £1,295 |
What happens next
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Cowes address.
- Measure and check. A surveyor visits Cowes, measures and checks structure and access.
- Agree the quote. You approve the specification and price before anything is ordered.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Neighbouring towns
Other services in Cowes
Common questions
Will it need building regulations approval?
Fitting a new roof window usually involves cutting rafters and changing the thermal envelope, so building control approval (or, in England and Wales, a competent-person route) is normally needed. We tell you which applies.
Can a roof window be fitted from inside?
In most cases, yes — only the tiles around the opening are lifted, and much of the work is done from inside the loft.
Can you replace an old roof window?
Yes — replacement into the same opening is usually quicker than a new install, often a few hours per window.
How do I book a survey in Cowes?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
Do I need to be at home for the survey in Cowes?
Yes — someone needs to let us into the room below and, where possible, show us how the roof is reached.
