How we approach glass links & glass box roofs in Clapham
We handle glass links & glass box roofs across Greater London, including Clapham. In short: frameless glass links joining old and new buildings. The survey checks structure, weathering and orientation, so the quote reflects your actual roof.
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. Glass links & glass box roofs suit joining a period house to a new extension or annexe.
We work across Greater London, including Clapham, and in neighbouring towns such as Balham and Battersea. Access, parking and how the glass reaches the roof are all checked at the survey.
Choices for your Clapham project
- Concealed gutters and drainage
- Frameless sliding or pivot doors
- Structural glass beams and fins
- Frameless or slim-framed glass
- Heated glass on some systems
- Structural glass roof with concealed fixings
- Visually light connection between buildings
Before you order: points to check
- Structural calculations are part of the design
- Listed building consent or planning permission is commonly needed
Do you need permission in 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.
For English homes the energy rules ask for rooflights of 2.2 W/m²K or better and roof windows of 1.4 W/m²K (or WER Band B); most modern double glazed units meet both. 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 glass links & glass box roofs cost in Clapham?
Prices below are shown including and excluding VAT. In Clapham, as elsewhere, making good inside and access equipment are the main variables.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Fully frameless link with glass beams | £20,395 – £35,995 | £16,995 – £29,995 |
| Glass roof and glazed sides Typical | £13,195 – £20,395 | £10,995 – £16,995 |
| Glass roof between existing walls | £9,595 – £13,195 | £7,995 – £10,995 |
How the job runs
- Send the details. Postcode, rough size and a photo of the roof and room.
- Survey. We measure the opening, check the roof build-up and agree the options.
- 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.
Glass links & glass box roofs near Clapham
More we do in Clapham
Glass links & glass box roofs in Clapham: questions
Who designs it?
Your architect, or we produce a survey-based design that the glass manufacturer engineers.
Can a glass link be warm enough to use all year?
With insulated glass units, solar control and good detailing, yes — though it will always be brighter and more exposed to temperature swings than a solid room.
How is the glass joined to the old wall?
Usually by a slim channel or flashing set into the masonry, sealed and weathered so the old wall can move without cracking the glass seal.
Do you fit glass links & glass box roofs in Clapham?
Yes. We survey and fit glass links & glass box roofs in Clapham and across Greater London. Send your postcode and we will offer a survey date when we reply.
Can you work alongside my builder in Clapham?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
