- Postcode district
- BT27
- Survey
- Free, area covered by arrangement
- Typical lead time
- Typically 6–8 weeks from survey sign-off
- Guide price
- From £6,595 inc VAT
- Nearby
- Belfast, Dromore, Ballynahinch
- Building rules
- Northern Ireland
Is an external pocket sliding door a good fit for your home in Lisburn?
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:
Want the whole width of your Lisburn 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.
Solid brick, cavity block or timber frame: the way your Lisburn wall is built decides how the pocket is formed, which is why the survey looks at it closely.
- 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.
- 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.
- 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.
How much sun will a door in Lisburn get?
At the latitude of Lisburn, the midday sun climbs to about 59° in late June but only about 12° in late December, when daylight lasts around 7 h 16 min against 17 h 16 min in midsummer. A south-facing external pocket sliding door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
Guide prices for external pocket sliding doors in Lisburn
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 |
| 2.4 m | 2 panels | £7,495–£9,195 |
| 3.0 m | 2 panels | £8,395–£10,295 |
See every size on the external pocket sliding doors page or try the guide price tool.
From survey to fitted door in Lisburn
Surveys in the BT27 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. Lisburn is in an area we cover by arrangement: the survey is still free, and survey dates, delivery and any travel cost for delivery and fitting are confirmed in your quote before you order.
Rules for external pocket sliding doors in Northern Ireland
In Northern Ireland, structural alterations need approval from your district council's building control service before work starts. New openings in Northern Ireland are by arrangement.
Specification choices for external pocket sliding doors in Lisburn
- 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.
- Colours. Single or dual colour powder coating, so the exposed edge of the panel matches the frame inside and out.
Questions about external pocket sliding doors in Lisburn
Do I need building approval for external pocket sliding doors in Lisburn?
In Northern Ireland the Building Regulations (Northern Ireland) apply through district council building control; work there is by arrangement. We confirm the right route for your property at survey, so the paperwork is in place before fitting.
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.
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 much do external pocket sliding doors cost?
External pocket sliding doors start from a guide price of £6,595 for a 1.8 m single-panel door, fitted, inc VAT, at standard 2.1 m height, including forming the wall pocket. A 3 m two-panel door is a guide £8,395–£10,295, and a 6 m three-panel door is around £12,895. Wall construction, glass and finish affect the figure, which is fixed in a written quote after survey.