- Postcode district
- BT18
- Survey
- Free, area covered by arrangement
- 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
- Newtownabbey, Belfast, Carrickfergus
- Building rules
- Northern Ireland
Are corner sliding doors right for your Holywood home?
The right door depends on the opening, the room and the way you use the garden. Here is how corner sliding doors tend to work out in practice:
On any corner installation in Holywood, the survey records floor and patio levels along both walls, because a terrace that falls differently on each side changes the threshold detail.
Corner glazing changes how a Holywood home looks from neighbouring gardens, so confirm the planning position for the extension with your designer or the local planning authority before ordering.
- With no post at the corner, sliding both sets of panels back opens the meeting point of two walls completely, so the room spills straight onto the patio.
- 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.
How much sun will a door in Holywood get?
At the latitude of Holywood, the midday sun climbs to about 59° in late June but only about 12° in late December, when daylight lasts around 7 h 14 min against 17 h 17 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.
Guide prices for corner sliding doors in Holywood
Guide prices include the door, fitting and 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.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 3.0 m | 4 panels | £8,695–£10,595 |
| 3.6 m | 4 panels | £9,595–£11,795 |
| 4.0 m | 4 panels | £10,295–£12,495 |
See every size on the corner sliding doors page or try the guide price tool.
From survey to fitted door in Holywood
Here is the usual sequence in Holywood: guide price, free survey, written quote, any building work, then manufacture (typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide corners, from survey sign-off). Fitting typically takes 1–2 days for the door, after 3–5 days of structural building work. Nearby, we also survey in Newtownabbey, Belfast and Carrickfergus. Holywood is in an area we cover by arrangement: the survey is still free, and survey dates, delivery and any travel cost for delivery and fitting are confirmed in your quote before you order.
Do you need approval in Holywood?
In Northern Ireland, structural alterations need approval from your district council's building control service before work starts. New openings in Northern Ireland are by arrangement.
Specification choices for corner sliding doors in Holywood
- Roof junction. Head details coordinated with flat roofs, roof lanterns or pitched roofs so steel, frame and roof meet neatly.
- System type. Standard aluminium, slimline or lift and slide corner systems, depending on panel size and the sightlines you want.
- Colours. Single or dual colour powder coating, so the outside can match the extension cladding or render.
Questions about corner sliding doors in Holywood
How soon can you survey in Holywood?
Survey dates in the BT18 district are arranged individually when we reply to your enquiry. After you approve the written quote, manufacture is typically 4–6 weeks for aluminium, 6–8 weeks for slimline or lift and slide corners, from survey sign-off.
Is the open corner a weak point for security?
The corner of a corner sliding door is not a weak point when the system is properly specified, because the two meeting panels interlock and lock together, typically with multi-point hardware at the corner as well as on the sliding edges. Laminated glass adds resistance to breaking through. Corner systems are available tested to PAS 24, and the locking specification is confirmed in your quote.
Do corner sliding doors need a steel beam?
Corner sliding doors almost always need engineered structural support, because removing the corner post takes away the support for the wall or roof above. A structural engineer designs a cantilevered beam or steel frame; the calculations are included in our guide prices and the steelwork is priced after survey. In England this needs a Building Regulations application and in Scotland a building warrant; Wales and Northern Ireland have their own building control rules.
How much do corner sliding doors cost?
Corner sliding doors start from a guide price of £8,695 for 3 m of combined width across both walls, fitted, inc VAT, at standard 2.1 m height. A 4.8 m combined corner is a guide £11,495–£13,995, and 8 m combined is around £16,495. Structural steel for the post-free corner is priced separately, and the final price is fixed in a written quote after survey.