Glass links & glass box roofs in Coulsdon: what is involved?
For Coulsdon homes and buildings we offer glass links & glass box roofs: frameless glass links joining old and new buildings. We measure first, specify to the opening and confirm any planning or building-control points before quoting.
Mansard and loft conversions are common across London, and roof windows are often set out alongside dormers on the rear slope. Typical uses for glass links & glass box roofs include listed and period buildings where the old wall should stay visible.
Jobs in Coulsdon are planned around access: whether the roof can be reached from the garden, whether a hoist or crane is needed, and where we can park. We check this when we measure.
Choices for your Coulsdon project
- Heated glass on some systems
- Frameless or slim-framed glass
- Solar-control and low-iron glass
- Concealed gutters and drainage
- Frameless sliding or pivot doors
- Can include frameless doors
- Bright circulation space
Things we check at survey
- Listed building consent or planning permission is commonly needed
- Thermal performance of large glass areas must be calculated
Do you need permission in Coulsdon?
Most rooflights on English houses do not need planning permission, provided they keep within 150 mm of the roof surface and below the ridge line. 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.
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. 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.
Read the planning permission guide before you commit to a design.
Glass links & glass box roofs prices in Coulsdon
Guide prices for glass links & glass box roofs in Coulsdon are the same as anywhere we work — what changes the price is the job: access, structure, scaffold and finishing.
| 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 |
What happens next
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Coulsdon address.
- Survey. We measure the opening, check the roof build-up and agree the options.
- Fixed quote. Product, work and price in writing — nothing is ordered until you agree.
- Fit and make good. We fit, seal, test and finish the reveal, then hand over the paperwork.
Neighbouring towns
Other services in Coulsdon
Common questions
Who designs it?
Your architect, or we produce a survey-based design that the glass manufacturer engineers.
How long does a link take?
Design and manufacture are the long part. Fitting is often two to five days.
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.
Is the survey in Coulsdon free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
Can you work alongside my builder in Coulsdon?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
