Southampton · Hampshire
Sliding Doors in Southampton
Is your old patio door in Southampton heavy, draughty or grinding on its track? We can quote for modern sliding doors with smooth rollers and multi-point locks.
- SO14
- SO15
- SO17
- Guide from £1,795
Southampton: uPVC patio doors
Keep sliding doors running smoothly by vacuuming the bottom track and drainage slots regularly, wiping the tracks with a damp cloth and checking the brush seals. Avoid oil on the track itself, which attracts grit. Rollers can be adjusted when a panel starts to drag or the lock no longer lines up.
Sliding doors use large panels running on rollers within a multi-track frame. A two-panel door has one fixed and one sliding panel, while three or four-track systems let several panels stack behind each other for a wider opening. Panels can also slide into a wall pocket on some systems.
Security on sliding doors depends on multi-point hook locks that grip the frame, anti-lift blocks that stop panels being lifted off the track, internally glazed beads and an anti-snap cylinder. Older patio doors without anti-lift protection can sometimes be lifted out, so ask whether the system is tested to PAS 24.
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 a typical job includes
- Removal and disposal of the existing doors
- Written guarantee terms and advice on building regulations sign-off
- Made-to-measure sliding doorset in your chosen colour
- Fitting, levelling, roller adjustment and sealing

Working in Southampton
- Postcodes covered
- SO14, SO15, SO17 and the surrounding area, including Hythe, Totton and Eastleigh
- Coast
- Southampton is about 1 km from the coast or a tidal estuary, so salt air and wind-driven rain are worth planning for. Salt and sand collect in sliding door tracks near the coast, wearing rollers and seals more quickly, so tracks need more frequent cleaning. Stainless running gear, a coating suited to marine exposure and a raised threshold help on exposed elevations facing the sea.
- Daylight and sun
- In Southampton the midwinter sun reaches about 16° above the horizon at noon, with roughly 7.7 hours of daylight, rising to about 62° and 16.3 hours in midsummer. Large sliding panes on south or west elevations can bring strong solar gain and glare, so solar-control or neutral low-E glass helps keep rooms comfortable. On north-facing elevations, high light-transmission glass and slim frames make the most of limited winter daylight.
- Access and setting
- 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.
- Rules in England
- 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.
Guide prices in Southampton
| 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 |
Get a guide price for your size
For shops and other non-domestic buildings in England, Approved Document M covers accessible entrances, and Approved Document K requires large areas of glass that people could walk into to carry manifestation (visible markings).
Specification choices
uPVC patio doors
A lower-cost in-line sliding door with chunkier frames, available in white, grey and woodgrain foils for standard openings.
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.
Multi-track configuration
Two, three or four tracks so several panels stack behind each other, opening one or both sides of the frame.
Sliding Doors in Southampton: questions
How much do sliding patio doors cost?
The cost of sliding patio doors depends on the width and height, the number of panels and tracks, aluminium or uPVC, standard or lift-and-slide hardware, colour, glass and threshold. Large slimline aluminium systems sit at the upper end. See the guide prices for typical ranges; the written quote fixes the price for your exact specification.
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.
Do sliding patio doors need building regulations approval?
Yes. Fully glazed replacement doors like these are controlled fittings under building regulations, so the work must meet energy and safety glazing standards. In England, an installer registered with a competent person scheme can self-certify the installation, or building control approves it. Widening an opening is structural and needs separate approval. Other UK nations set their own requirements.
Are sliding doors better than bifold doors?
Neither is better for every home. Sliding doors suit people who want large panes, slim frames and an uninterrupted view when the doors are closed. Bifold doors suit people who want to open almost the full width in summer. Sliding doors also take no space inside or out when opened, which helps on small patios and balconies.
Do you cover Southampton for sliding doors?
Yes. We can quote for sliding doors across Southampton and the surrounding Hampshire area, including postcode districts SO14, SO15 and SO17, and nearby Hythe, Totton and Eastleigh. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.
Get a written quote in Southampton
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.