Warwick · Warwickshire
Sliding Doors in Warwick
If your patio doors in Warwick could be lifted off their track or no longer lock properly, we can survey them and quote for secure replacements.
- CV34
- Guide from £1,795
Sliding patio doors for homes and businesses in Warwick
Sliding doors can have a raised sill for weather resistance or a low, flush track for near level access between floor and patio. Flush tracks need good drainage outside and some shelter, and on exposed elevations a slightly raised threshold usually keeps water out more reliably.
Because sliding panels are bigger and have fewer frames than bifold doors, they show fewer and slimmer sightlines when closed. Slimline aluminium systems can have very narrow interlocks between panels, which keeps the view across a garden as clear as possible. The trade-off is that one panel always remains in the opening.
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.
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.
What you get
- Written guarantee terms and advice on building regulations sign-off
- Toughened or laminated safety glass in every panel
- Removal and disposal of the existing doors
- Made-to-measure sliding doorset in your chosen colour

Warwick at a glance
- Postcodes covered
- CV34 and the surrounding area, including Leamington Spa, Kenilworth and Stratford-upon-Avon
- Coast
- Warwick is well inland, around 79 km from the nearest coast, so salt exposure is not usually a factor.
- Daylight and sun
- In Warwick the midwinter sun reaches about 14° above the horizon at noon, with roughly 7.5 hours of daylight, rising to about 61° and 16.5 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
- Rural patios are often uneven or sit below the floor, so threshold height, drainage and level tracks need careful planning. Exposed sites benefit from stiffer frames, robust weather seals and laminated glass, as homes may be some distance from neighbours.
- 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 Warwick
| 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
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.
What you can choose
Multi-track configuration
Two, three or four tracks so several panels stack behind each other, opening one or both sides of the frame.
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.
Sliding Doors in Warwick: questions
How secure are sliding patio doors?
Modern sliding patio doors can be secure when fitted with multi-point hook locks, anti-lift blocks, internally beaded glass and an anti-snap cylinder. Older doors without anti-lift protection are a known weak point. Asking for a system tested to PAS 24 and choosing laminated glass on ground-floor doors gives a practical security benchmark.
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.
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.
Do you cover Warwick for sliding doors?
Yes. We can quote for sliding doors across Warwick and the surrounding Warwickshire area, including postcode districts CV34, and nearby Leamington Spa, Kenilworth and Stratford-upon-Avon. 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 Warwick
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.