Loft conversion skylights for Streatham: the essentials
Thinking about loft conversion skylights in Streatham? The short answer: roof windows planned for loft rooms — light, headroom and escape. The longer answer depends on your roof, which is why we survey before we price.
Victorian and Edwardian terraces with narrow side returns are typical of much of London, and a glass roof or long flat rooflight is the usual way to keep the back rooms bright once the return is built over. In Streatham, as anywhere, loft conversion skylights are the usual choice for attic bedrooms, offices and en-suites.
We work across Greater London, including Streatham, and in neighbouring towns such as Balham and Clapham. Access, parking and how the glass reaches the roof are all checked at the survey.
Specification options
- Conservation styles
- Balcony roof windows on some ranges
- Combination and stacked layouts
- Blackout and thermal blinds
- Electric or solar opening
- Electric opening for high windows
- Fits alongside dormers
Before you order: points to check
- Front roof slopes can be restricted in conservation areas
- Insulation and vapour control details matter for condensation
Planning and building rules for Streatham
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. In an extension, glazing including rooflights is normally limited to 25% of the new floor area plus any windows or doors the extension covers, unless a whole-house calculation shows otherwise.
See our building regulations guide for U-values, glazing limits and self-certification.
What do loft conversion skylights cost in Streatham?
These are typical supply-and-fit ranges. For an address in Streatham, 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 |
|---|---|---|
| Electric top-hung escape window | £1,675 – £2,395 | £1,395 – £1,995 |
| Standard centre-pivot window Typical | £1,195 – £1,675 | £995 – £1,395 |
| Small window into open rafters | £955 – £1,315 | £795 – £1,095 |
What happens next
- Send the details. Postcode, rough size and a photo of the roof and room.
- Free site visit. For new installs we survey free, measure and confirm the roof detail.
- Fixed quote. Product, work and price in writing — nothing is ordered until you agree.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Neighbouring towns
More we do in Streatham
Loft conversion skylights in Streatham: questions
Top-hung or centre-pivot in a loft?
Top-hung gives a clearer view and often suits escape use; centre-pivot is easier to clean and suits higher positions.
Will the loft be cold near the windows?
Correctly fitted insulation collars and linings keep the window surround warm and reduce condensation.
Can I add blinds later?
Yes — most manufacturers make blinds for each window size.
Is the survey in Streatham free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
Do I need to be at home for the survey in Streatham?
Yes — someone needs to let us into the room below and, where possible, show us how the roof is reached.
