- Postcode district
- SE13
- 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
- Blackheath, Catford, Greenwich
- Building rules
- England
What external pocket sliding doors offer homes in Lewisham
The right door depends on the opening, the room and the way you use the garden. Here is how external pocket sliding doors tend to work out in practice:
If the only wall beside your Lewisham opening is shared with a neighbour, check the pocket design and any steel bearing on it early, as the Party Wall etc. Act 1996 (England and Wales) may apply.
For a Lewisham extension still at the drawing stage, planning the pocket wall now is far simpler than rebuilding a finished wall later.
- A removable access panel on the inside of the pocket wall lets the rollers be reached and adjusted without opening up the plaster.
- Pockets can be formed on one side or both, so a wide opening can part in the middle with panels sliding away in each direction.
- 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 Lewisham and what it means for your glass
Because Lewisham 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.
How much do external pocket sliding doors cost in Lewisham?
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) |
|---|---|---|
| 1.8 m | 1 panel | £6,595–£8,095 |
| 4.8 m | 3 panels | £11,095–£13,595 |
| 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.
What happens when you order external pocket sliding doors in Lewisham?
A surveyor visits your Lewisham 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.
Do you need approval in Lewisham?
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
- Colours. Single or dual colour powder coating, so the exposed edge of the panel matches the frame inside and out.
- Pocket side. A single pocket to one side, or pockets on both sides so a wide door parts in the middle.
- Threshold. Low or flush thresholds, with the external drainage channel continuing past the pocket.
Questions about external pocket sliding doors in Lewisham
Is the price different in Lewisham?
No. Guide prices for external pocket sliding doors are the same across mainland Britain, including Lewisham. The fitted price depends on size, system, glass and finish, and any structural work, all fixed in your written quote after survey.
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 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.
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.