- Postcode district
- TN6
- 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
- Royal Tunbridge Wells, Uckfield, Heathfield
- Building rules
- England
Why choose external pocket sliding doors in Crowborough?
A few practical points decide whether external pocket sliding doors suit a particular room and opening:
However sheltered or exposed your Crowborough home is, external pocket sliding doors need a drained pocket and a clear external channel so rainwater running along the track never sits inside the wall.
Solid brick, cavity block or timber frame: the way your Crowborough wall is built decides how the pocket is formed, which is why the survey looks at it closely.
- With every panel slid into the wall, the full width of the opening is clear, so the room and terrace join without a fixed panel in the way.
- Insulating the pocket wall and sealing the panel edges limits heat loss through the cavity, helping the wall beside the door perform like the rest of the house.
- A lined and drained pocket carries rainwater running along the track out of the wall, protecting the structure as well as the rollers.
Sunlight, glass and orientation in Crowborough
Daylight in Crowborough runs from about 7 h 54 min in December to 16 h 33 min in June, with the noon sun at roughly 15° and 62° respectively. Use that to choose your glass: standard low-E double glazing for north and east elevations, and consider solar-control or triple glazing for sunny south and west walls.
External pocket sliding doors prices in Crowborough
Guide prices include the door, fitting and 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.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 2.1 m | 1 panel | £7,095–£8,595 |
| 2.4 m | 2 panels | £7,495–£9,195 |
| 6.0 m | 3 panels | £12,895–£15,795 |
See every size on the external pocket sliding doors page or try the guide price tool.
Timescales for external pocket sliding doors in Crowborough
A surveyor visits your Crowborough home to check the wall, the structure above and the floor levels, and talks through glass and finish. Any building work is planned to the engineer's design, the door is made to the finished opening sizes — typically 6–8 weeks from survey sign-off — and fitting usually takes 3–5 days of building work to form the opening and pocket, then 1–2 days to fit the door.
Rules for external pocket sliding doors in England
A new or wider opening in England needs Building Control approval for the structural work as well as compliance for the door itself under Approved Documents L and K. Expect structural calculations, a steel beam and, where a party wall is involved, notices under the Party Wall etc. Act 1996.
Which options matter for external pocket sliding doors?
- Threshold. Low or flush thresholds, with the external drainage channel continuing past the pocket.
- 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.
Questions about external pocket sliding doors in Crowborough
Can you match other doors and windows in my Crowborough home?
Usually, yes. Most aluminium and uPVC systems come in standard RAL colours and finishes, and we can quote dual colour where the inside and outside need to differ. Bring photos of existing frames to the survey.
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.
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.

