Northolt · Greater London
Glass Roofs in Northolt
We cover Northolt and the rest of Greater London for structural glass roofing, from single frameless rooflights to full side-return and rear extension roofs.
- UB5
- UB6
- HA2
- Guide from £1,095 per m²
Structural glass roof in Northolt
Walk-on glass panels are laminated from several layers of toughened or heat-strengthened glass so the panel stays in place even if one layer breaks. The top layer usually carries an anti-slip finish, such as a fritted or etched pattern, and the panel thickness is calculated for the expected loads.
In England, Approved Document L limits how much of an extension can be glazed when the simple standard route is used. Large glass roofs often go beyond that limit, so energy calculations are usually needed to show the extension still complies, and building control checks them.
A structural glass roof replaces most or all of a roof with large glass units carried on glass beams, slim steel or aluminium supports. Side-return extensions often use a single run of glass from the house wall to the boundary, giving a bright kitchen without the ridge and bars of a framed roof lantern.
In England, Approved Document L sets a limiting U-value of 2.2 W/m²K for rooflights, calculated in the horizontal position. Frameless glass roofs and fixed rooflights are usually specified with low-E double or triple glazed units, and their declared performance should be checked against this before ordering.
What a typical job includes
- Coordination with engineers or builders where required
- Glass specification with laminated make-up and coatings
- Site survey and structural assessment of supports
- Lifting, positioning and fixing of every glass unit
About Northolt for this job
- Postcodes covered
- UB5, UB6, HA2 and the surrounding area, including Greenford, Harrow and Southall
- Coast
- Northolt is well inland, around 52 km from the nearest coast, so salt exposure is not usually a factor.
- Daylight and sun
- In Northolt the midwinter sun reaches about 15° above the horizon at noon, with roughly 7.6 hours of daylight, rising to about 62° and 16.4 hours in midsummer. Overhead glass admits far more daylight than vertical glazing, especially in summer when the sun is high. South-facing glass roofs usually need solar-control coatings or fritting, while north-facing roofs can use clearer low-E glass to maximise winter light.
- Access and setting
- Rural sites may have long or narrow access tracks that limit crane positions and panel sizes, so access is surveyed early. Exposed locations face higher wind and snow loads, and leaves and debris from nearby trees mean gutters need regular clearing.
- Rules in England
- Approved Document K requires safety glass in critical locations in England: glazing in doors and in side panels within 300 mm of a door, up to 1500 mm above floor level, and any glazing in walls or partitions up to 800 mm above floor level.
Guide prices in Northolt
| Typical job | Guide price inc VAT |
|---|---|
| Frameless glass roof, per m² | £1,095 – £1,795 |
| Walk-on glass panel, per m² | £1,495 – £2,395 |
Get a guide price for your size
Replacing windows and doors with similar ones is usually permitted development for houses in England. Flats, listed buildings and homes in conservation areas or covered by an Article 4 direction can need permission, so check with the council first.
Specification choices
Sliding access rooflight
A glazed hatch that slides or hinges open for access to a roof terrace, with weather seals and secure locking.
Glass beams and fins
Laminated glass supporting beams instead of steel, keeping the whole roof transparent where spans and loads allow.
Solar-control coatings
Coatings or fritted patterns that reduce heat gain and glare under overhead glass on sunny elevations.
Glass Roofs in Northolt: questions
What is the difference between a glass roof and a roof lantern?
A glass roof replaces most or all of a roof with large structural glass units on minimal supports, giving a near frameless view of the sky. A roof lantern is a framed, pitched glazed structure that sits on an upstand within a solid flat roof. Glass roofs suit side returns and link extensions; lanterns suit openings in flat roofs.
Will a glass roof make my kitchen too hot?
A glass roof can make a room warm on sunny days, because overhead glass receives sun for much of the day. Solar-control coatings, fritted patterns, internal blinds and ventilation from opening windows or rooflights help keep temperatures comfortable. The glass is specified at design stage to suit the orientation and how the room is used.
How much does a glass roof cost?
The cost of a glass roof depends on the area of glass, the size of each unit, the glass make-up and coatings, the support beams or framing, the structural design and the access for lifting. Walk-on and very large panes cost more because of their thickness. See the guide prices for typical ranges; the written quote fixes the price.
Can you walk on a glass roof?
Only on glass designed as a walk-on panel. Walk-on glass is laminated from several thick layers with an anti-slip surface and is calculated for foot traffic, often with a sacrificial top layer. Standard glass roofs and rooflights are not designed to be walked on, so cleaning and maintenance must be done from safe access.
Do you cover Northolt for glass roofs?
Yes. We can quote for glass roofs across Northolt and the surrounding Greater London area, including postcode districts UB5, UB6 and HA2, and nearby Greenford, Harrow and Southall. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.
Get a written quote in Northolt
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.