Sliding patio doors · Greater London
Triple glazed sliding patio doors in Chiswick
Triple glazed sliding patio doors for homes in Chiswick: measured on a free survey, made to order and fitted by installation teams working for us across Greater London.

More glass, less cold: sliders that stay comfortable in winter. A sliding patio door has large glazed panels that slide past each other on a track, so it opens without swinging into the room.
Winter light and glass choice in Chiswick
Winter days in Chiswick are short: about 7 h 50 min of daylight on 21 December, with the sun peaking near 15°. That low angle reaches deep into south-facing rooms, so we match the glass to each elevation rather than using one spec for the whole house.
Guide prices in Chiswick
| Guide | Supply and fit, inc VAT |
|---|---|
| uPVC 2-pane slider about 1.8 m wide | £1,895 – £2,295 |
| uPVC 2-pane slider, wide about 2.4 m wide | £2,295 – £2,895 |
| Aluminium slider about 3 m wide | £3,295 – £4,195 |
Guide prices. Your written quote after the free survey fixes the price for the specification shown.
Rules for sliding patio doors in England
England sets replacement door limits through Approved Document L (2021 edition, with 2023 amendments): 1.4 W/m²K, or a door set energy rating of band C (more than 60% glazed) or band B (other doors). Replacement external doors fall under the same energy rules: a competent person scheme installer (such as FENSA or Certass) self-certifies the work and notifies the council, or a building control body approves it.
Planning: Replacing doors on a house is normally permitted development if the new ones look similar. Flats need planning permission for a change that alters their appearance, an Article 4 direction may mean permission is needed, and listed buildings need listed building consent.
How it works
We start with a survey, not a sales pitch: measurements, the structure above any bays, trickle-vent needs and escape windows. The quote that follows fixes the price, and anything unexpected on the day is agreed with you first.
- Every opening measured, including escape and vent needs
- Frames rated for the weight of triple glass
- Old windows removed and taken away
- Each opening closed up the same day
Questions from Chiswick
How much does a triple glazed sliding door cost?
Our guide starts at £1,895 fitted for a 1.8 m uPVC slider and £3,295 for a 3 m aluminium slider, inc VAT. UK quotes for triple uPVC sliders run from about £1,600 to £2,600.
Can I have a level threshold?
Low thresholds are available; they need a suitable drainage detail outside, which we check on survey.
How long does it take to get triple glazed sliding patio doors fitted in Chiswick?
After the survey, typical manufacture time is 5 to 8 weeks, and a door is usually fitted in a day.
Do you fit triple glazed sliding patio doors in Chiswick?
Yes. We arrange surveys and fitting in Chiswick and across Greater London. Send your postcode and the windows or doors you want replaced, and we will book a free survey.
Nearby
Nearby towns on our list include Acton (2 km), Barnes (2 km), Shepherd's Bush (3 km) and Notting Hill (4 km).
Other products in Chiswick
- uPVC windows
- Aluminium windows
- Timber windows
- Alu-clad timber windows
- Casement windows
- Flush casement windows
- Tilt and turn windows
- Sash windows
- Bay and bow windows
- Fixed and picture windows
- Composite front doors
- French doors
- Bifold doors
- Glass-only replacement
- Acoustic triple glazing
- Security glazing
- Whole-house replacement
- New builds and self-builds
- Period homes and conservation areas
- Flats and apartments
- Passivhaus and EnerPHit
Sliding patio doors in Chiswick: book your free survey
Written quote fixed for the specification, after a free survey. Building Regulations sign-off by a competent person scheme installer or building control, as the law requires in England.
