- Postcode district
- BT46
- 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
- Magherafelt, Dungiven, Cookstown
- Building rules
- Northern Ireland
Corner sliding doors in Maghera: what to know
A few practical points decide whether corner sliding doors suit a particular room and opening:
Corner glazing changes how a Maghera home looks from neighbouring gardens, so confirm the planning position for the extension with your designer or the local planning authority before ordering.
On any corner installation in Maghera, the survey records floor and patio levels along both walls, because a terrace that falls differently on each side changes the threshold detail.
- 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.
- When closed, the two corner panels interlock and lock together, so the glass corner stays weathertight and secure without a visible column.
- 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.
How much sun will a door in Maghera get?
In Maghera the shortest day has roughly 7 h 12 min of daylight and the longest about 17 h 20 min. The noon sun sits near 12° above the horizon in winter and 59° 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.
Corner sliding doors prices in Maghera
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.
What happens when you order corner sliding doors in Maghera?
Surveys in the BT46 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. Maghera 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.
Choosing the specification
- Glass. Double or triple glazed safety glass, with solar-control coatings for corners facing south or west.
- Threshold. Standard, low or flush thresholds, with drainage detailed along both elevations.
- System type. Standard aluminium, slimline or lift and slide corner systems, depending on panel size and the sightlines you want.
Questions about corner sliding doors in Maghera
Do you fit corner sliding doors in Maghera?
Yes, by arrangement. Maghera 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 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 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.
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.

