- Postcode district
- BT53
- 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
- Coleraine, Portrush, Portstewart
- Building rules
- Northern Ireland
What corner sliding doors offer homes in Ballymoney
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:
Corner glazing changes how a Ballymoney home looks from neighbouring gardens, so confirm the planning position for the extension with your designer or the local planning authority before ordering.
If you are planning a wraparound extension in Ballymoney, designing corner sliding doors in from the start lets the engineer size the corner steelwork alongside the roof.
- 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.
- 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 reaches the room from two directions, which keeps a deep extension brighter through the day as the sun moves round the house.
How much sun will a door in Ballymoney get?
In Ballymoney the shortest day has roughly 7 h 09 min of daylight and the longest about 17 h 23 min. The noon sun sits near 11° above the horizon in winter and 58° in summer — so glass that faces south collects useful warmth from October to March, while a west-facing door may need solar control to stop it overheating in July.
Typical costs for corner sliding doors around Ballymoney
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) |
|---|---|---|
| 3.0 m | 4 panels | £8,695–£10,595 |
| 4.0 m | 4 panels | £10,295–£12,495 |
| 6.0 m | 6 panels | £13,395–£16,295 |
See every size on the corner sliding doors page or try the guide price tool.
Timescales for corner sliding doors in Ballymoney
A surveyor visits your Ballymoney 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 aluminium, 6–8 weeks for slimline or lift and slide corners, from survey sign-off — and fitting usually takes 1–2 days for the door, after 3–5 days of structural building work. Ballymoney 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.
Rules for corner sliding doors in Northern Ireland
Opening up a wall in Northern Ireland needs district council building control approval and structural calculations. We take on this work in Northern Ireland by arrangement.
Which options matter for corner sliding doors?
- Panel layout. Two panels per side for smaller corners or three per side for wider ones, with fixed panels at the far ends.
- Colours. Single or dual colour powder coating, so the outside can match the extension cladding or render.
- Threshold. Standard, low or flush thresholds, with drainage detailed along both elevations.
Questions about corner sliding doors in Ballymoney
How soon can you survey in Ballymoney?
Survey dates in the BT53 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.
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.
How do you maintain a corner sliding door?
Maintaining a corner sliding door is much like any aluminium slider, with extra attention to the corner: keep both tracks and the corner drainage clear, wipe the corner seals, and check the meeting panels still lock smoothly. Rollers can be adjusted if a panel drops. Because a new extension can settle slightly in its first year, the corner panels may need a small adjustment after that.
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.