Are secure sliding doors right for homes in County Londonderry?
Before you settle on a door type, it helps to know what secure sliding doors do well and what to check before you order.
Ask your insurer whether a tested door or particular locks are a requirement on your County Londonderry policy, so the quote can be specified to suit.
Whichever door you choose for your County Londonderry home, pair it with good habits: lock the door, remove the key and keep side gates bolted.
- Laminated glass has a tough interlayer that holds the pane together when struck, so even a cracked panel resists an attempt to break through.
- An anti-snap key cylinder is designed to resist the snapping attack used on many older euro cylinders, protecting the lock itself.
- Robust interlocks where the panels meet reduce the chance of the door being levered open at the overlap, which is where a sliding door is often probed first.
Guide prices for secure sliding doors in County Londonderry
The table shows guide prices for common sizes, supplied and fitted, including VAT. Your exact price is fixed in a written quote once the opening in your home has been measured.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £3,695–£4,495 |
| 2.4 m | 2 panels | £4,295–£5,295 |
| 3.6 m | 3 panels | £5,595–£6,895 |
| 4.0 m | 3 panels | £6,095–£7,395 |
Every size is on the secure sliding doors page.
Daylight and glass in County Londonderry
Because County Londonderry sees long summer days (about 17 h 22 min) and short winter ones (about 7 h 10 min), the elevation your door faces makes a real difference. With the midday sun at about 12° in winter, a south-facing door brings light well into the room; a west-facing door catches hot late-afternoon sun in summer.
Where we fit in County Londonderry
We cover Derry/Londonderry, Coleraine, Dungiven, Limavady, Maghera, Magherafelt and the rest of County Londonderry. All of County Londonderry is covered by arrangement: the survey is still free, and survey dates, delivery and any travel cost for delivery and fitting are confirmed in your quote.
Approvals in Northern Ireland
In Northern Ireland, the Building Regulations (Northern Ireland) apply through your district council's building control service, with energy guidance in Technical Booklet F1. Work in Northern Ireland is by arrangement, and we confirm the approval route for your property at survey.
Questions about secure sliding doors in County Londonderry
Is the price different in County Londonderry?
The door price is the same as anywhere else. Because County Londonderry is covered by arrangement, any travel cost for delivery and fitting is shown in your quote before you order; the survey itself is free.
Is laminated glass worth it on a sliding door?
Laminated glass is worth considering on ground-floor doors that are hidden from the street, because it stays in one piece when cracked and slows anyone trying to break through. It also reduces some outside noise and filters most UV light. Toughened glass is still a safety glass but shatters into small pieces when broken.
What is PAS 24?
PAS 24 is the UK enhanced security test standard for doorsets, including sliding doors. A door tested to it has been subjected to timed manual attacks with hand tools, mechanical loading of the panels and locks, and tests on how the glass is held. It applies to the complete doorset as tested, not to individual handles or locks on their own.
What is Secured by Design?
Secured by Design is a police-backed initiative that sets security standards for homes and products, and its requirements for doors build on PAS 24. Products and developments can gain recognition under the scheme. We are not a Secured by Design member company; if a project specifies it, tell us at the start so we can check what the specification requires.