How we approach glass links & glass box roofs in Harrow
Glass links & glass box roofs in Harrow means frameless glass links joining old and new buildings. We cover the HA2 district and the rest of Greater London, with a survey before any price is fixed.
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. Glass links & glass box roofs suit listed and period buildings where the old wall should stay visible.
We work across Greater London, including Harrow, and in neighbouring towns such as Wembley and Northolt. Access, parking and how the glass reaches the roof are all checked at the survey.
Choices for your Harrow project
- Frameless sliding or pivot doors
- Frameless or slim-framed glass
- Concealed gutters and drainage
- Structural glass beams and fins
- Heated glass on some systems
- Bright circulation space
- Keeps period walls on show
Before you order: points to check
- Abutments with old masonry need careful weathering
- Listed building consent or planning permission is commonly needed
Planning, building control and Harrow
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. The Future Homes and Buildings Standards, published in March 2026, apply from 24 March 2027 and keep the 2.2 W/m²K limit for rooflights.
Our planning guide covers each nation in more detail.
Guide prices for Harrow
These are typical supply-and-fit ranges. For an address in Harrow, 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 |
From enquiry to finished job
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Harrow address.
- Measure and check. A surveyor visits Harrow, measures and checks structure and access.
- Fixed quote. Product, work and price in writing — nothing is ordered until you agree.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Glass links & glass box roofs near Harrow
Related work in Harrow
Glass links & glass box roofs in Harrow: questions
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 structural glass safe?
Structural glass is laminated so it stays in place if a ply breaks. The manufacturer designs it for the loads involved.
Who designs it?
Your architect, or we produce a survey-based design that the glass manufacturer engineers.
Can you work alongside my builder in Harrow?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
Is the survey in Harrow free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
