- Postcode district
- BA5
- Survey
- Free for new and replacement doors
- 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
- Shepton Mallet, Glastonbury, Street
- Building rules
- England
Three and four track sliding doors in Wells: 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:
If you are torn between bifolds and sliders for a Wells 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.
For a Wells garden room or kitchen that opens onto the patio most summer days, the extra clear opening from added tracks makes a real difference to how the space is used.
- Each panel runs on its own track and rollers, so wear is shared across the door and any one panel can be adjusted without disturbing the others.
- A sliding door can be left open at any width, from a hand's gap to fully stacked, whereas bifold panels open in folded pairs that stand out into the garden.
- 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.
Light and sun in Wells
Sun angles matter for big glazed doors. Around Wells, midday sun reaches about 62° in summer and drops to about 15° in winter. That low winter sun is free heat through south-facing glass; high summer sun is easier to shade with a roof overhang, and solar-control glass helps where there is none.
What should you budget for multi-track sliding doors in Wells?
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) |
|---|---|---|
| 4.8 m | 4 panels | £7,695–£9,395 |
| 6.0 m | 4 panels | £9,195–£11,195 |
| 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.
Survey, manufacture and fitting around Wells
Surveys in the BA5 district are booked at a time that suits you. After you approve the quote, manufacture is typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide versions, from survey sign-off; on fitting day the old door comes out, the new frame is set level and sealed, and the panels are adjusted so they glide properly. Fitting usually takes 1–2 days; allow 3–5 days of building work first for a new or widened opening.
Rules for multi-track sliding doors in England
In England, a replacement sliding door is a controlled fitting under the Building Regulations. In an existing home, a door with more than 60% glazing must reach a U-value of 1.4 W/m²K or better (or a Doorset Energy Rating of band C) under Approved Document L, and glass in doors must be safety glazing under Approved Document K. We arrange compliance through a competent person scheme installer or by notifying Building Control, and you receive the certificate.
Specification choices for multi-track sliding doors in Wells
- Track count. Three tracks for about two-thirds clear opening, or four for about three-quarters on wider doors.
- Colours. Single or dual colour powder coating to match windows, cladding or render.
- Stacking side. Panels stack to the left, to the right, or to both sides on a bi-parting layout.
Questions about multi-track sliding doors in Wells
How soon can you survey in Wells?
Surveys in the BA5 district are booked at a time that suits you, and we offer survey dates when we reply to your enquiry. After you approve the written quote, manufacture is typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide versions, from survey sign-off.
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.
Are three track sliding doors as warm as two track doors?
Three and four track sliding doors are typically comparable with two-track doors on thermal performance when the system is thermally broken, with whole-door U-values around 1.2–1.6 W/m²K double glazed depending on system. In England, a new or replacement door in an existing home with more than 60% glazing must achieve 1.4 W/m²K or better. Wales, Scotland and Northern Ireland each publish their own energy guidance.
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.

