- Postcode district
- SE23
- 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
- Sydenham, Catford, Dulwich
- Building rules
- England
Is an external pocket sliding door a good fit for your home in Forest Hill?
Here is what to weigh up if you are considering external pocket sliding doors for a home in Forest Hill:
Want the whole width of your Forest Hill 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.
For a Forest Hill extension still at the drawing stage, planning the pocket wall now is far simpler than rebuilding a finished wall later.
- 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.
- When closed, a pocket door looks like a large-paned slider, with slim meeting stiles and plenty of glass instead of the many frames of a folding door.
How much sun will a door in Forest Hill get?
Because Forest Hill sees long summer days (about 16 h 38 min) and short winter ones (about 7 h 50 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.
Typical costs for external pocket sliding doors around Forest Hill
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) |
|---|---|---|
| 2.1 m | 1 panel | £7,095–£8,595 |
| 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 Forest Hill
Surveys in the SE23 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 Forest Hill?
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.
Specification choices for external pocket sliding doors in Forest Hill
- 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.
- Pocket side. A single pocket to one side, or pockets on both sides so a wide door parts in the middle.
Questions about external pocket sliding doors in Forest Hill
Is the price different in Forest Hill?
No. Guide prices for external pocket sliding doors are the same across mainland Britain, including Forest Hill. The fitted price depends on size, system, glass and finish, and any structural work, all fixed in your written quote after 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 long does an external pocket door project take?
An external pocket door typically takes 6–8 weeks to make after survey sign-off, and the building work to form the opening and pocket typically takes 3–5 days before the door goes in. Fitting the door then takes 1–2 days. Engineer design and Building Regulations approval come first, so the whole project runs longer than a straight door swap.
How wide can an external pocket sliding door be?
An external pocket sliding door in our range typically gives a clear opening of about 1.8 m to 6 m, using one panel at the narrow end and two or three panels on wider doors. Wider openings usually use pockets on both sides, or a multi-track pocket so the panels stack inside the wall. Sizes are confirmed after survey and the engineer's design.