Sliding patio doors · Hertfordshire
Triple glazed sliding patio doors in Borehamwood
From the first measure to the handover pack, we handle triple glazed sliding patio doors for homes in Borehamwood and the rest of Hertfordshire.
uPVC and aluminium sliders with low-threshold options. 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 Borehamwood
In Borehamwood, midday sun in late December sits around 15° high, with roughly 7 h 48 min of daylight. For windows facing north or shaded by neighbours, cutting heat loss matters more than solar gain; on open south-facing glass, ask about a higher solar-gain unit.
Guide prices in Borehamwood
| 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
The surveyor measures every opening, checks ventilation, escape windows and safety-glass zones, and talks through styles. Your written quote lists each item with its glass build-up and U-value, and the price is fixed for that specification.
- 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 Borehamwood
Can I have a level threshold?
Low thresholds are available; they need a suitable drainage detail outside, which we check on survey.
Do sliding doors need safety glass?
Yes, all door glass must be safety glass. Triple units in sliders are toughened or laminated.
How long does it take to get triple glazed sliding patio doors fitted in Borehamwood?
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 Borehamwood?
Yes. We arrange surveys and fitting in Borehamwood and across Hertfordshire. Send your postcode and the windows or doors you want replaced, and we will book a free survey.
Nearby
Also near Borehamwood: Barnet (5 km), Bushey (6 km), Hadley Wood (8 km) and Potters Bar (8 km).
Other products in Borehamwood
- 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 Borehamwood: 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.