- Postcode district
- B90
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 4–6 weeks for the door after the opening is measured; building work scheduled around approvals
- Guide price
- From £6,595 inc VAT
- Nearby
- Hall Green, Solihull, Kings Heath
- Building rules
- England
Is a sliding door for a new opening a good fit for your home in Shirley?
Most homeowners choosing sliding doors for new openings want the same things: more light, a clear view and a door that is easy to live with.
Where a Shirley house has a bay, chimney breast or upstairs window directly above the planned opening, the engineer will need to account for it in the steel design.
For homes in Shirley that are listed or covered by an Article 4 direction, ask the council about the new opening before paying for structural calculations.
- The door is measured from the finished opening rather than from drawings, so it fits the opening as built, not as it was intended to be built.
- Temporary propping holds up the wall above while the masonry is cut out, keeping floors, ceilings and the roof safely supported throughout the work.
- Telling the engineer that a sliding door will sit beneath the beam lets them limit its deflection, which matters because a beam that sags can stop panels sliding freely.
Planning glass for the light in Shirley
Daylight in Shirley runs from about 7 h 40 min in December to 16 h 49 min in June, with the noon sun at roughly 14° and 61° respectively. Use that to choose your glass: standard low-E double glazing for north and east elevations, and consider solar-control or triple glazing for sunny south and west walls.
Typical costs for sliding doors for new openings around Shirley
Guide prices cover the door and forming the opening — steel beam, padstones, making good and structural calculations — fitted, including VAT. Building Control fees are set by your council and are extra.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 2.1 m | 2 panels | £7,495–£8,295 |
| 2.4 m | 2 panels | £7,895–£8,895 |
| 6.0 m | 4 panels | £13,295–£15,095 |
See every size on the sliding doors for new openings page or try the guide price tool.
From survey to fitted door in Shirley
A surveyor visits your Shirley home to check the wall, the structure above and the floor levels, and talks through glass and finish. Any building work is planned to the engineer's design, the door is made to the finished opening sizes — typically 4–6 weeks for the door after the opening is measured; building work scheduled around approvals — and fitting usually takes 3–5 days of building work, then 1–2 days to fit the door.
Rules for sliding doors for new openings in England
In England, forming or widening an opening is structural work that needs a Building Regulations application, structural calculations and usually a steel beam on padstones. The new door is also a controlled fitting (U-value 1.4 W/m²K or better if more than 60% glazed). If steelwork bears on a party wall, the Party Wall etc. Act 1996 may apply.
Choosing the specification
- Widening an existing door. Removing masonry each side of an old patio door to take a wider slider.
- Window to door conversion. Cutting down below an existing window to form a door opening to the garden.
- Steel beam with padstones. A beam sized by the engineer to carry the wall, floors and roof above.
Questions about sliding doors for new openings in Shirley
Do I need building approval for sliding doors for new openings in Shirley?
In England a replacement door is a controlled fitting, so compliance is arranged through a competent person scheme installer or Building Control; new openings need a Building Regulations application. We confirm the right route for your property at survey, so the paperwork is in place before fitting.
Can you turn a window into a sliding door?
Yes, a window opening can usually be extended down to the floor and often widened to take a sliding door. The work involves removing the masonry below the window, forming a new threshold, and fitting a steel beam or lintel if the opening is widened. Drains, air bricks and floor levels outside need checking, and the work needs a Building Regulations application.
How long does it take to form a new opening?
Forming or widening an opening typically involves 3–5 days of building work, including propping, cutting out, installing the steel and padstones, and making good. The sliding door is then made to the finished opening, which typically takes 4–6 weeks for aluminium, so a secure temporary closure is fitted in between. The door itself typically goes in within one to two days.
How much does it cost to widen an opening for sliding doors?
Our guide price for forming or widening an opening is £3,595 for 2.4 m and £4,495 for 4.8 m, covering steel, padstones, making good and structural calculations. The door is priced separately, and Building Control fees are set by your council. All figures are guide prices inc VAT, fixed in a written quote after we survey the wall and see what is above it.

