- Postcode district
- NR19
- 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
- Swaffham, Fakenham, Wymondham
- Building rules
- England
External pocket sliding doors in Dereham: what to know
A few practical points decide whether external pocket sliding doors suit a particular room and opening:
For a Dereham extension still at the drawing stage, planning the pocket wall now is far simpler than rebuilding a finished wall later.
Want the whole width of your Dereham kitchen open to the garden but prefer the look of sliders to bifolds? A pocket gives you both, at the cost of more building work.
- 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.
- A removable access panel on the inside of the pocket wall lets the rollers be reached and adjusted without opening up the plaster.
- 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.
Daylight in Dereham and what it means for your glass
Daylight in Dereham runs from about 7 h 37 min in December to 16 h 52 min in June, with the noon sun at roughly 14° and 61° 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.
Guide prices for external pocket sliding doors in Dereham
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 |
| 3.6 m | 2 panels | £9,295–£11,395 |
See every size on the external pocket sliding doors page or try the guide price tool.
Timescales for external pocket sliding doors in Dereham
Nothing is ordered until you sign off the surveyed specification. The door is made from 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. If you are in Swaffham or Fakenham, the same process and prices apply.
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.
Finishes and extras for external pocket sliding doors
- System type. Standard aluminium, slimline or lift and slide pocket systems, chosen to suit panel weight and sightlines.
- Internal finish. Plastered, panelled or tiled finishes on the pocket wall, with the access panel set discreetly into it.
- Glass. Double or triple glazed safety glass, with laminated or solar-control units as needed.
Questions about external pocket sliding doors in Dereham
Can you match other doors and windows in my Dereham 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.
Are external pocket doors secure?
External pocket doors are secure when the panels lock to the frame with multi-point hardware, the glass is laminated, and the pocket is closed off so the panels cannot be reached from outside. Once shut, the front edge of the panel locks into the frame just as on a standard slider. Systems are available tested to PAS 24, and the locking specification is set out in your quote.
How do you maintain rollers inside a wall pocket?
You maintain pocket door rollers through the access panel built into the inside of the pocket wall, which lets the track be vacuumed and the rollers adjusted without opening up the wall. Keep the outside drainage channel clear so water cannot back up into the pocket, and run the panels fully in and out now and then. If a panel starts to rub inside the pocket, a small roller height adjustment through the access panel usually cures it.
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.

