Glass links & glass box roofs for Swindon: the essentials
Glass links & glass box roofs in Swindon means frameless glass links joining old and new buildings. We cover the SN1 district and the rest of Wiltshire, with a survey before any price is fixed.
Western coasts take wind-driven rain, so we pay close attention to upstand height and flashing laps on exposed roofs. Glass links & glass box roofs suit joining a period house to a new extension or annexe.
Swindon is the main town we list in Wiltshire; we also cover nearby Marlborough and Cirencester.
Specification options
- Concealed gutters and drainage
- Structural glass beams and fins
- Frameless or slim-framed glass
- Solar-control and low-iron glass
- Heated glass on some systems
- Designed around the existing building
- Bright circulation space
Things we check at survey
- Thermal performance of large glass areas must be calculated
- Structural calculations are part of the design
Planning, building control and Swindon
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.
Building Regulations Approved Document L sets a limiting U-value of 2.2 W/m²K for new or replacement rooflights in existing homes, measured in the horizontal plane; roof windows need 1.4 W/m²K or a Band B energy rating. 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.
Glass links & glass box roofs prices in Swindon
Prices below are shown including and excluding VAT. In Swindon, 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 |
The process, step by step
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Swindon address.
- Survey. We measure the opening, check the roof build-up and agree the options.
- 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 Swindon
Common questions
Who designs it?
Your architect, or we produce a survey-based design that the glass manufacturer engineers.
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.
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.
Can you work alongside my builder in Swindon?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
Do you fit glass links & glass box roofs in Swindon?
Yes. We survey and fit glass links & glass box roofs in Swindon and across Wiltshire. Send your postcode and we will offer a survey date when we reply.
