Berkshire · England
Sliding Doors in Berkshire
Homeowners and landlords in Berkshire can get a written sliding door quote that fixes the price for the panels, glass, threshold, colour and locks shown.
- Guide from £1,795
- 11 towns covered
- Postcode areas GU, RG, SL
uPVC patio doors for homes and businesses in Berkshire
Making an opening wider for new sliding doors is structural work that needs building control approval and a correctly sized lintel or steel. Replacing doors in the existing opening is simpler. Flats, listed buildings and conservation areas may also need planning or other consent for the change.
The cost of sliding patio doors depends on the opening size, the number of panels and tracks, aluminium or uPVC, standard or lift-and-slide hardware, colour, glass and threshold. Very large panels may need lifting equipment. See the guide prices for typical ranges; the written quote fixes your figure.
Replacing patio doors in the same opening usually takes about a day on site, longer for wide multi-panel systems or where heavy glass needs extra hands or lifting gear. The doors are made to the survey sizes first, and the lead time is confirmed in writing with the quote.
Sliding door panes reach near the floor, so they need safety glass. In England, Approved Document K treats glass in doors, and in side panels within 300mm of a door's edge, up to 1500mm from the floor as critical. Toughened glass is standard; laminated adds security and holds together if broken.

What applies in Berkshire
Approved Document K requires safety glass in critical locations in England: glazing in doors and in side panels within 300 mm of a door, up to 1500 mm above floor level, and any glazing in walls or partitions up to 800 mm above floor level.
In England, replacing a whole window, roof window or glazed external door is building work. It has to be notified to building control, either by an installer registered with a competent person scheme such as FENSA or Certass, or through a building notice to the council. Replacing only the glass in an existing frame is a repair and is not notifiable.
Berkshire is inland, around 56 km from the nearest coast at its closest point, so salt exposure is rarely a factor.
Large sliding panels are heavy and long, so city installations need planned access through the house, parking nearby and sometimes lifting equipment for upper floors or balconies. Flats need freeholder consent and planning permission, and acoustic glass helps on busy roads.
Guide prices
| Typical job | Guide price inc VAT |
|---|---|
| Aluminium slider, 1800 mm wide | £2,695 – £3,495 |
| Aluminium slider, 3000 mm wide | £3,995 – £5,095 |
| Lift-and-slide, 4000 mm wide | £6,695 – £8,595 |
| uPVC patio door, 1800 mm wide | £1,795 – £2,395 |
Choosing your sliding doors
uPVC patio doors
A lower-cost in-line sliding door with chunkier frames, available in white, grey and woodgrain foils for standard openings.
Multi-track configuration
Two, three or four tracks so several panels stack behind each other, opening one or both sides of the frame.
Lift-and-slide doors
Panels lift off their seals to glide, then drop to seal tightly when closed; suited to very large, heavy glass panels.
Glass specification
Toughened low-E double glazing as standard, with triple glazing, laminated security glass, acoustic or solar-control glass available.
Sliding Doors in Berkshire: questions
What maintenance do sliding patio doors need?
Sliding patio doors need regular cleaning of the bottom track and drainage slots, a wipe of the frames with mild soapy water and occasional checks of the brush seals and locks. Avoid oiling the track, which attracts grit. If a panel starts to drag, roller adjustment is usually a short job for a glazier.
Can sliding doors have a level threshold?
Yes, many sliding door systems offer a low or flush bottom track for near level access. They need good external drainage and some shelter, because a flush track is less weather resistant than a raised sill. On exposed elevations, a slightly raised threshold is often the more reliable choice, and the survey checks which suits your patio.
How long does it take to install sliding doors?
Replacing a typical set of sliding patio doors takes about a day on site, and large multi-panel or lift-and-slide systems can take longer, especially if lifting equipment is needed. The doors are made to order first, and the manufacturing lead time is confirmed in writing when you accept the quote.
Why is my sliding door so hard to open?
A sliding door usually becomes stiff because of grit in the track, worn or seized rollers, or a panel that has dropped out of adjustment. Cleaning the track often helps, and rollers can sometimes be adjusted or replaced. If the frame has distorted or the panels are very heavy, replacing the doors is often the more lasting fix.
Which parts of Berkshire do you cover for sliding doors?
We cover the whole of Berkshire, including Reading, Slough, Bracknell, Maidenhead and Wokingham, and postcode areas GU, RG, SL. Building rules for sliding doors here follow the regulations for England. Enter your postcode on the quote form and we will confirm cover; then a glazier will arrange a free survey before giving you a written quote.
Other glazing services in Berkshire
- Replacement Glass in Berkshire
- Misted Glass Repair in Berkshire
- Emergency Glazing in Berkshire
- Safety Glass in Berkshire
- Window Repairs in Berkshire
- Window Film in Berkshire
- uPVC Windows in Berkshire
- Aluminium Windows in Berkshire
- Sash Windows in Berkshire
- Composite Doors in Berkshire
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- Secondary Glazing in Berkshire
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- Glass Roofs in Berkshire
- Shopfront Glazing in Berkshire
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- Glass Partitions in Berkshire
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All glazing in Berkshire · Sliding Patio Doors across the UK
Get a written quote in Berkshire
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