Frameless structural rooflights in Clapham: what is involved?
For Clapham homes and buildings we offer frameless structural rooflights: minimal glass rooflights with no visible frame from inside. We measure first, specify to the opening and confirm any planning or building-control points before quoting.
Many London roofs are reached only through the house or over neighbouring property, so lifting heavy glass is planned at survey rather than on the day. Typical uses for frameless structural rooflights include rooms where you want sky without a visible frame.
Clapham is around 5 km from central London, and we survey and fit throughout that part of Greater London, including the SW4 district.
Specification options
- Heated glass on some ranges
- Triple glazing
- Butt-jointed runs for long openings
- Solar-control coatings
- Shadow-gap or plastered reveal
- Double or triple glazed structural units
- Long, slim or very large formats
Things we check at survey
- The internal finish (plaster, shadow gap) is agreed before order
- Large panes need lifting gear and access planning
Planning and building rules for Clapham
In England a rooflight on a house is usually permitted development under Class C if it projects no more than 150 mm beyond the roof slope and sits no higher than the ridge. A rooflight on a side-facing slope must be obscure-glazed, and fixed shut unless the opening part is more than 1.7 m above the floor.
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. Replacing a rooflight or roof window can be self-certified by an installer registered with an authorised competent person scheme; otherwise building control approval is needed.
See our building regulations guide for U-values, glazing limits and self-certification.
Guide prices for Clapham
The ranges below are typical for straightforward jobs; your fixed price follows a survey of your roof.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Long-format or jointed run | £6,595 – £11,995 | £5,495 – £9,995 |
| Large single pane Typical | £4,795 – £7,195 | £3,995 – £5,995 |
| Standard frameless unit | £3,595 – £4,795 | £2,995 – £3,995 |
How the job runs
- Tell us what you have. Send the SW4 postcode, a rough size and a couple of photos.
- Measure and check. A surveyor visits Clapham, measures and checks structure and access.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Fitting and handover. We install, clean down and leave product and warranty documents.
Frameless structural rooflights near Clapham
Other services in Clapham
Frameless structural rooflights in Clapham: questions
How is it lifted onto the roof?
Larger panes go up with a vacuum lifter, a hoist or a crane. We plan access at survey.
Can it open?
Some frameless designs include a sliding or hinged opening element, but most are fixed. Pair with an opening unit if you need ventilation.
Can a frameless rooflight be walked on?
Only if it is specified as a walk-on unit. Most frameless rooflights are for light only.
Do I need to be at home for the survey in Clapham?
Yes — someone needs to let us into the room below and, where possible, show us how the roof is reached.
How do I book a survey in Clapham?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
