- Postcode district
- BT47
- Survey
- Free, area covered by arrangement
- Typical lead time
- Typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide versions, from survey sign-off
- Guide price
- From £5,595 inc VAT
- Nearby
- Strabane, Limavady, Dungiven
- Building rules
- Northern Ireland
Three and four track sliding doors in Derry/Londonderry: what to know
The right door depends on the opening, the room and the way you use the garden. Here is how multi-track sliding doors tend to work out in practice:
Does your Derry/Londonderry home have walls deep enough for a wider frame? A three or four track system needs more depth than a two-track door, which the survey measures.
If you are torn between bifolds and sliders for a Derry/Londonderry extension, multi-track sliding doors offer a middle path: more of the opening clears than on a two-track door, with fewer frames when closed.
- On many systems, pulling the first panel picks up the panels behind it, so the whole door opens or closes in one easy movement.
- Three tracks let two panels park behind a fixed one, so about two-thirds of the opening is clear instead of the half a two-track door allows.
- Panels stack neatly within the frame at one end, taking no room on the patio or inside, unlike a bifold stack that stands out from the wall.
Daylight in Derry/Londonderry and what it means for your glass
The midday sun over Derry/Londonderry ranges from about 12° at the winter solstice to about 58° at midsummer. Low-angle winter light reaches further into a room through a tall door, which is one reason taller panels are worth considering; on south or west walls, pair them with solar-control glass.
Typical costs for multi-track sliding doors around Derry/Londonderry
Use these guide prices to budget. They include VAT, fitting and taking away an old door of a similar size. Taller doors, triple glazing and dual colour add to the figure — the online tool shows how much.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.6 m | 3 panels | £6,295–£7,695 |
| 4.0 m | 3 panels | £6,795–£8,295 |
| 8.0 m | 4 panels | £11,595–£14,095 |
See every size on the multi-track sliding doors page or try the guide price tool.
What happens when you order multi-track sliding doors in Derry/Londonderry?
A surveyor visits your Derry/Londonderry home to measure the structural opening, check levels and the lintel, and talk through glass and finish. Once you confirm the written specification, the door is made to measure — typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide versions, from survey sign-off — and fitting usually takes 1–2 days; allow 3–5 days of building work first for a new or widened opening. We also cover Strabane (22 km south-west) and Limavady (24 km east). Derry/Londonderry 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 multi-track sliding doors in Northern Ireland
In Northern Ireland, the Building Regulations (Northern Ireland) apply through your district council's building control service, with energy guidance in Technical Booklet F1. Work in Northern Ireland is by arrangement, and we confirm the approval route for your property at survey.
Options to consider for your multi-track sliding door
- Stacking side. Panels stack to the left, to the right, or to both sides on a bi-parting layout.
- Pocket finish. Where wall space allows, panels can slide into a formed wall pocket so the whole width clears, as on our external pocket sliding doors.
- Track count. Three tracks for about two-thirds clear opening, or four for about three-quarters on wider doors.
Questions about multi-track sliding doors in Derry/Londonderry
Can you match other doors and windows in my Derry/Londonderry 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.
What is the lead time for three and four track sliding doors?
Three and four track sliding doors typically take 4–6 weeks to make in standard aluminium, or 6–8 weeks for slimline or lift and slide versions, after survey sign-off. Fitting typically takes 1–2 days. Where the opening is being formed or widened, allow 3–5 days of building work first. All of these times are typical rather than promised.
How much do three and four track sliding doors cost?
Multi-track sliding doors start from a guide price of £5,595 for a 3 m three-panel door, fitted, inc VAT, at standard 2.1 m height. A 4 m door is a guide £6,795–£8,295, and an 8 m four-panel door is around £11,595. Slimline or lift and slide versions, glass and colour move the price, which is fixed in a written quote after survey.
How wide can a multi-track sliding door be?
A multi-track sliding door in our range typically runs from about 3 m to 8 m wide, with three panels up to about 4 m and four panels on wider openings. Each panel is usually up to about 2.5–3 m wide depending on system and glass. Very wide doors need a structural opening sized for them, which is checked at survey.