- Postcode district
- RH4
- 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
- Reigate, Redhill, Cobham
- Building rules
- England
Three and four track sliding doors in Dorking: what to know
Before you settle on a door type, it helps to know what multi-track sliding doors do well and what to check before you order.
Does your Dorking 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.
For a Dorking 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.
- Closed, a multi-track door shows only a few slim meeting stiles across the opening, rather than the frame every metre or so that a bifold has.
- 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.
- 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.
Light and sun in Dorking
At the latitude of Dorking, the midday sun climbs to about 62° in late June but only about 15° in late December, when daylight lasts around 7 h 52 min against 16 h 35 min in midsummer. A south-facing multi-track 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 multi-track sliding doors in Dorking
Pricing is transparent and does not change because you are in Dorking. The ranges below cover a standard-height door, fitted, with VAT; options are itemised in your quote.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.0 m | 3 panels | £5,595–£6,795 |
| 3.6 m | 3 panels | £6,295–£7,695 |
| 4.8 m | 4 panels | £7,695–£9,395 |
See every size on the multi-track sliding doors page or try the guide price tool.
Timescales for multi-track sliding doors in Dorking
Surveys in the RH4 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.
Choosing the specification
- Colours. Single or dual colour powder coating to match windows, cladding or render.
- Glass. Double or triple glazed safety glass, with solar-control or acoustic laminated options.
- 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.
Questions about multi-track sliding doors in Dorking
Do you fit multi-track sliding doors in Dorking?
Yes. We survey and fit multi-track sliding doors in Dorking and across Surrey, including nearby Reigate and Redhill. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
Do I need planning permission or Building Regulations for a wide multi-track door?
In England, replacing doors on a house is usually permitted development if the new doors look similar, but flats, listed buildings and Article 4 areas may need consent. The door is a controlled fitting under the Building Regulations, and widening the opening for it is structural work needing an application and calculations. Rules differ in Wales, Scotland and Northern Ireland, so we check them for your address.
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.

