- Postcode district
- BT37
- Survey
- Free, area covered by arrangement
- Typical lead time
- Typically 6–8 weeks for slimline systems after check survey sign-off
- Guide price
- From £5,095 inc VAT
- Nearby
- Holywood, Belfast, Carrickfergus
- Building rules
- Northern Ireland
Are sliding doors for extensions right for your Newtownabbey home?
The right door depends on the opening, the room and the way you use the garden. Here is how sliding doors for extensions tend to work out in practice:
When your Newtownabbey extension is going through Building Control, keep the energy information for the doors to hand, as the inspector may ask for it.
Self-building in Newtownabbey or elsewhere in County Antrim? Ask for the sliding doors to be quoted as part of a wider glazing package so the frames, colours and glass match across the house.
- Garden rooms benefit from the same approach, with a door sized to the frame and a header designed to carry the roof without pressing down on the door.
- Agreeing a fitting date with your builder lets the extension be made weathertight on programme, so plastering and flooring can follow without waiting on the doors.
- Telling the engineer the door type and span early lets them design the beam above it to limit deflection, protecting the smooth running of large sliding panels.
Planning glass for the light in Newtownabbey
Sun angles matter for big glazed doors. Around Newtownabbey, midday sun reaches about 59° in summer and drops to about 12° in winter. That low winter sun is free heat through south-facing glass; high summer sun is easier to shade with a roof overhang, and solar-control glass helps where there is none.
How much do sliding doors for extensions cost in Newtownabbey?
Guide prices are the same across County Antrim. They cover the door supplied and fitted into a prepared opening, including VAT, with options itemised in your quote.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £5,095–£6,195 |
| 2.4 m | 2 panels | £5,995–£7,295 |
| 4.8 m | 3 panels | £9,595–£11,695 |
See every size on the sliding doors for extensions page or try the guide price tool.
How fitting works in Newtownabbey
Surveys in the BT37 district are booked at a time that suits you. Once the opening is ready and measured, manufacture is typically 6–8 weeks for slimline systems after check 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, scheduled to the build programme. Newtownabbey 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 Newtownabbey?
In Northern Ireland, an extension needs building control approval from your district council, which covers the doors and glazing. Work in Northern Ireland is by arrangement.
Choosing the specification
- Corner opening. Sliding panels meeting at a corner with no post, for extensions open on two sides.
- Triple glazing. For low-energy extensions or north-facing walls, subject to panel size limits.
- Two-panel slimline. One sliding and one fixed panel, suiting openings up to around 3.6 m depending on the system.
Questions about sliding doors for extensions in Newtownabbey
Is the price different in Newtownabbey?
The door price is the same as anywhere else. Because Newtownabbey is covered by arrangement, any travel cost for delivery and fitting is shown in your quote before you order; the survey itself is free.
Why does the steel beam matter for sliding doors?
The steel beam above an extension's sliding door matters because every beam bends a little under load, and a large sliding door needs a straight, level head to run freely. If the engineer knows a wide slider will sit under the beam, they can design for low deflection. Too much movement can make panels stiff or bind.
When should I order sliding doors for an extension?
Order sliding doors for an extension as soon as the opening is built and a check survey can be done, and agree the target fitting date with your builder in advance. Slimline doors typically take 6–8 weeks to make after sign-off. Getting a quote from drawings early means the specification is settled and only the final measurements are needed.
Can you measure from drawings rather than the built opening?
We can quote from drawings, but we manufacture from a check survey of the built opening, because real openings often differ slightly from the plans. Making a large made-to-measure door from drawings alone risks it not fitting. If a programme makes that unavoidable, any arrangement and who carries the risk would be agreed in writing first.