- Postcode district
- NW6
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 4–6 weeks for the door after the opening is measured; building work scheduled around approvals
- Guide price
- From £6,595 inc VAT
- Nearby
- Hampstead, Golders Green, Camden
- Building rules
- England
Why choose sliding doors for new openings in West Hampstead?
Most homeowners choosing sliding doors for new openings want the same things: more light, a clear view and a door that is easy to live with.
Turning a West Hampstead kitchen window into a door to the garden? Check where drains, gullies and air bricks sit outside, because they can affect the new threshold.
If your West Hampstead home is semi-detached or terraced and the new steel would sit on the shared wall, budget time for party wall notices before work starts.
- If the work affects a party wall, notice can be served under the Party Wall etc. Act 1996 (England and Wales) before it starts, avoiding disputes with neighbours later.
- A structural engineer sizes the steel beam and padstones for the actual loads above, so the opening is designed rather than guessed.
- Making good the reveals and head after the steel goes in leaves a square, plumb opening, which is what a precision-made sliding door needs to run smoothly.
Light and sun in West Hampstead
In West Hampstead the shortest day has roughly 7 h 49 min of daylight and the longest about 16 h 39 min. The noon sun sits near 15° above the horizon in winter and 62° in summer — so glass that faces south collects useful warmth from October to March, while a west-facing door may need solar control to stop it overheating in July.
How much do sliding doors for new openings cost in West Hampstead?
Use these guide prices to budget for the whole job in West Hampstead: the door, the steelwork, making good and the engineer's calculations, including VAT. Building Control or warrant fees are charged by the council on top.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £6,995–£7,795 |
| 2.1 m | 2 panels | £7,495–£8,295 |
| 2.4 m | 2 panels | £7,895–£8,895 |
See every size on the sliding doors for new openings page or try the guide price tool.
How fitting works in West Hampstead
Here is the usual sequence in West Hampstead: guide price, free survey, written quote, any building work, then manufacture (typically 4–6 weeks for the door after the opening is measured; building work scheduled around approvals). Fitting typically takes 3–5 days of building work, then 1–2 days to fit the door. Nearby, we also survey in Hampstead, Golders Green and Camden.
Rules for sliding doors for new openings in England
In England, forming or widening an opening is structural work that needs a Building Regulations application, structural calculations and usually a steel beam on padstones. The new door is also a controlled fitting (U-value 1.4 W/m²K or better if more than 60% glazed). If steelwork bears on a party wall, the Party Wall etc. Act 1996 may apply.
Finishes and extras for sliding doors for new openings
- Widening an existing door. Removing masonry each side of an old patio door to take a wider slider.
- Low threshold detail. Adjusting floor and outside levels during the building work to allow a lower sill.
- Window to door conversion. Cutting down below an existing window to form a door opening to the garden.
Questions about sliding doors for new openings in West Hampstead
Do you fit sliding doors for new openings in West Hampstead?
Yes. We survey and fit sliding doors for new openings in West Hampstead and across Greater London, including nearby Hampstead and Golders Green. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
Do I need building regulations to widen a door opening?
Yes, forming or widening an opening is structural work and needs a Building Regulations application in England, supported by structural calculations. Building Control inspects the work, typically including the steel and its bearings. In Scotland a building warrant is needed. Wales and Northern Ireland follow their own building regulations through local authority or district council building control.
How much does it cost to widen an opening for sliding doors?
Our guide price for forming or widening an opening is £3,595 for 2.4 m and £4,495 for 4.8 m, covering steel, padstones, making good and structural calculations. The door is priced separately, and Building Control fees are set by your council. All figures are guide prices inc VAT, fixed in a written quote after we survey the wall and see what is above it.
Why does beam deflection matter for sliding doors?
Beam deflection matters because a sliding door needs a straight, level head to run properly. Every beam bends slightly under load, and if it bends too much the frame can be squeezed, making panels stiff or causing them to bind. Telling the structural engineer that a large sliding door will go underneath allows them to design a stiffer beam.