- Postcode district
- HA5
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 6–8 weeks from survey sign-off
- Guide price
- From £6,595 inc VAT
- Nearby
- Harrow, Ruislip, Edgware
- Building rules
- England
External pocket sliding doors in Pinner: what to know
Most homeowners choosing external pocket sliding doors want the same things: more light, a clear view and a door that is easy to live with.
If the wall beside your Pinner patio opening is free of windows, radiators and sockets, it may be long enough to take a pocket so the panels disappear completely.
Solid brick, cavity block or timber frame: the way your Pinner wall is built decides how the pocket is formed, which is why the survey looks at it closely.
- Parked inside the wall, open panels are protected from weather and knocks, and garden furniture can sit right up to the edge of the opening.
- Open panels are hidden inside the wall rather than stacked in view, keeping the opening clean-lined compared with a bifold stack at one side.
- A lined and drained pocket carries rainwater running along the track out of the wall, protecting the structure as well as the rollers.
Light and sun in Pinner
Because Pinner sees long summer days (about 16 h 39 min) and short winter ones (about 7 h 49 min), the elevation your door faces makes a real difference. With the midday sun at about 15° in winter, a south-facing door brings light well into the room; a west-facing door catches hot late-afternoon sun in summer.
External pocket sliding doors prices in Pinner
These figures are for the door supplied and fitted, with the engineer's structural calculations, including VAT. They include forming the opening and the pocket in the wall; Building Control fees are set by your council and are extra. Your price is fixed in a written quote after survey.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 1 panel | £6,595–£8,095 |
| 3.0 m | 2 panels | £8,395–£10,295 |
| 4.0 m | 2 panels | £9,895–£12,095 |
See every size on the external pocket sliding doors page or try the guide price tool.
Survey, manufacture and fitting around Pinner
Surveys in the HA5 district are booked at a time that suits you. Once the opening is ready and measured, manufacture is typically 6–8 weeks from survey sign-off; on fitting day the frame is set level and sealed, and the panels are adjusted so they glide properly. Fitting usually takes 3–5 days of building work to form the opening and pocket, then 1–2 days to fit the door.
Do you need approval in Pinner?
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 external pocket sliding doors
- Pocket side. A single pocket to one side, or pockets on both sides so a wide door parts in the middle.
- Glass. Double or triple glazed safety glass, with laminated or solar-control units as needed.
- Colours. Single or dual colour powder coating, so the exposed edge of the panel matches the frame inside and out.
Questions about external pocket sliding doors in Pinner
Do you fit external pocket sliding doors in Pinner?
Yes. We survey and fit external pocket sliding doors in Pinner and across Greater London, including nearby Harrow and Ruislip. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
Do external pocket doors need Building Regulations approval?
External pocket doors need Building Regulations approval in England, because forming the opening and pocket is structural work needing an application, structural calculations (included in our guide prices), and usually a steel beam or lintel. If the steel bears on a party wall, the Party Wall etc. Act 1996 (England and Wales) may apply. Scotland needs a building warrant; Wales and Northern Ireland have their own building control rules.
How much wall do I need for an external pocket door?
An external pocket door needs a clear length of wall beside the opening at least as long as the panels that slide into it, plus a little for the frame. For a single 2 m panel that means just over 2 m of wall with no windows, radiators, sockets or pipes in it. A two-sided pocket splits the panels between both sides, so each side needs less length.
Does a pocket in the wall cause heat loss?
A pocket in the wall does not have to cause significant heat loss if it is insulated, lined and sealed as part of the design, and the door itself typically achieves whole-door U-values around 1.2–1.6 W/m²K double glazed. In England, a new door in an existing home with more than 60% glazing must achieve 1.4 W/m²K or better. Wales, Scotland and Northern Ireland have their own energy rules.

