- Postcode district
- NP12
- 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
- Bargoed, Risca, Caerphilly
- Building rules
- Wales
Are external pocket sliding doors right for your Blackwood home?
Before you settle on a door type, it helps to know what external pocket sliding doors do well and what to check before you order.
However sheltered or exposed your Blackwood 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.
Want the whole width of your Blackwood 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.
- 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.
- 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.
- 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.
Daylight in Blackwood and what it means for your glass
Because Blackwood sees long summer days (about 16 h 40 min) and short winter ones (about 7 h 48 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 Blackwood?
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) |
|---|---|---|
| 3.0 m | 2 panels | £8,395–£10,295 |
| 4.0 m | 2 panels | £9,895–£12,095 |
| 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.
How fitting works in Blackwood
Surveys in the NP12 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.
Rules for external pocket sliding doors in Wales
Widening an opening in Wales means a Building Regulations application for the structural work, calculations for the beam, and a door that meets Approved Document L (Wales). Party wall notices may be needed in semi-detached and terraced homes.
Which options matter 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.
- Glass. Double or triple glazed safety glass, with laminated or solar-control units as needed.
- Internal finish. Plastered, panelled or tiled finishes on the pocket wall, with the access panel set discreetly into it.
Questions about external pocket sliding doors in Blackwood
Can you match other doors and windows in my Blackwood 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.
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.
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.