- Postcode district
- SY16
- 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 corners, from survey sign-off
- Guide price
- From £8,695 inc VAT
- Nearby
- Welshpool, Knighton, Llandrindod Wells
- Building rules
- Wales
What corner sliding doors offer homes in Newtown
Before you settle on a door type, it helps to know what corner sliding doors do well and what to check before you order.
If you are planning a wraparound extension in Newtown, designing corner sliding doors in from the start lets the engineer size the corner steelwork alongside the roof.
Which way does your Newtown garden face? A corner catching south and west sun gains warmth in winter but can overheat in summer, so solar-control glass is worth considering.
- A corner of glass gives a much wider field of view than a single straight door, taking in more of the garden from a seat inside.
- Each elevation can have its own number of panels and its own sliding direction, letting the opening suit the shape of the garden and the furniture layout.
- Low or flush thresholds can run around both elevations, giving one continuous level line from the floor inside to a terrace that wraps the corner.
Daylight in Newtown and what it means for your glass
At the latitude of Newtown, the midday sun climbs to about 61° in late June but only about 14° in late December, when daylight lasts around 7 h 39 min against 16 h 50 min in midsummer. A south-facing corner sliding door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
How much do corner sliding doors cost in Newtown?
These figures are for the door supplied and fitted, with the engineer's structural calculations, including VAT. The steelwork that supports the corner is designed by the engineer and priced after survey, because it depends on the building. Your price is fixed in a written quote after survey.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.6 m | 4 panels | £9,595–£11,795 |
| 4.8 m | 4 panels | £11,495–£13,995 |
| 6.0 m | 6 panels | £13,395–£16,295 |
See every size on the corner sliding doors page or try the guide price tool.
How fitting works in Newtown
Surveys in the SY16 district are booked at a time that suits you. Once the opening is ready and measured, manufacture is typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide corners, from survey sign-off; on fitting day the frame is set level and sealed, and the panels are adjusted so they glide properly. Fitting usually takes 1–2 days for the door, after 3–5 days of structural building work.
Rules for corner sliding doors in Wales
Widening an opening in Wales means a Building Regulations application for the structural work, calculations for the beam, and a door that meets Approved Document L (Wales). Party wall notices may be needed in semi-detached and terraced homes.
Finishes and extras for corner sliding doors
- Colours. Single or dual colour powder coating, so the outside can match the extension cladding or render.
- Glass. Double or triple glazed safety glass, with solar-control coatings for corners facing south or west.
- Roof junction. Head details coordinated with flat roofs, roof lanterns or pitched roofs so steel, frame and roof meet neatly.
Questions about corner sliding doors in Newtown
Do you fit corner sliding doors in Newtown?
Yes. We survey and fit corner sliding doors in Newtown and across Powys, including nearby Welshpool and Knighton. Start with a guide price online or call us, and we will arrange a free survey for a new or replacement door.
How long does a corner sliding door project take?
A corner sliding door typically takes 4–6 weeks to manufacture in standard aluminium and 6–8 weeks for slimline or lift and slide systems, from survey sign-off. The steelwork and building work usually take 3–5 days before the door goes in, and fitting the door takes 1–2 days. Engineer design and approvals come first, so the door is ordered once the steel is designed.
How big can a corner sliding door be?
A corner sliding door in our range typically covers about 3 m to 8 m of combined width across both walls, usually four panels up to about 4.8 m and six panels above that. The two sides do not need to be equal. Panel height starts at the standard 2.1 m and can go taller depending on the system, which is confirmed at survey alongside the structural design.
Can I add a corner sliding door to an existing house?
A corner sliding door can be added to an existing house, but it is a structural project rather than a door swap: the corner of the building has to be rebuilt with engineered steel to carry the load where the post or wall used to be. It is usually done as part of an extension or rear remodel, and a survey plus an engineer's assessment confirm what the structure above needs.

