How we approach glass links & glass box roofs in New Malden
For New Malden 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.
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. Think of glass links & glass box roofs for joining a period house to a new extension or annexe.
Jobs in New Malden 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.
Specification options
- Structural glass beams and fins
- Concealed gutters and drainage
- Solar-control and low-iron glass
- Frameless or slim-framed glass
- Frameless sliding or pivot doors
- Designed around the existing building
- Structural glass roof with concealed fixings
What to check first
- Structural calculations are part of the design
- Thermal performance of large glass areas must be calculated
Planning, building control and New Malden
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. 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.
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. 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 New Malden
These are typical supply-and-fit ranges. For an address in New Malden, 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 |
|---|---|---|
| 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
- Tell us what you have. Send the KT3 postcode, a rough size and a couple of photos.
- Measure and check. A surveyor visits New Malden, measures and checks structure and access.
- 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.
Nearby towns
More we do in New Malden
Glass links & glass box roofs in New Malden: questions
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 long does a link take?
Design and manufacture are the long part. Fitting is often two to five days.
Is structural glass safe?
Structural glass is laminated so it stays in place if a ply breaks. The manufacturer designs it for the loads involved.
Will I need planning permission in New Malden?
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.
Is the survey in New Malden free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
