Slimline aluminium sliding doors across County Antrim
Before you settle on a door type, it helps to know what slimline sliding doors do well and what to check before you order.
Is the patio behind your County Antrim home level with the floor inside? If so, a flush threshold with an outside drainage channel can make the two read as one surface.
If the only route to the back of a County Antrim property is through the house or a narrow side passage, the survey plans how large slimline panels will be carried in safely.
- A flush threshold, paired with a drainage channel outside, lets the inside floor run straight out to the terrace without a visible step.
- High-load stainless steel rollers are sized for big glass units, so a panel weighing well over a hundred kilograms can still glide with a light push.
- Triple glazing is available on many slimline systems, bringing typical whole-door U-values down to around 0.8–1.1 W/m²K without bulking up the visible frame.
Guide prices for slimline sliding doors in County Antrim
These are guide prices for fitted doors at a standard height, including VAT. They run from an entry-level system to a premium one at the same size; the survey confirms which suits your opening.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 2.4 m | 2 panels | £5,995–£7,295 |
| 3.0 m | 2 panels | £6,895–£8,395 |
| 3.6 m | 2 panels | £7,795–£9,495 |
| 4.8 m | 3 panels | £9,595–£11,695 |
Every size is on the slimline sliding doors page.
Daylight and glass in County Antrim
Sun angles matter for big glazed doors. Around County Antrim, 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.
Towns we cover in County Antrim
We survey and fit slimline sliding doors in 11 towns across County Antrim, including the BT1, BT27, BT37, BT38, BT39, BT40 postcode districts.
Approvals in Northern Ireland
Building control in Northern Ireland is run by district councils under the Building Regulations (Northern Ireland). We take on work in Northern Ireland by arrangement and confirm what approval your door needs before anything is ordered.
Questions about slimline sliding doors in County Antrim
Is the price different in County Antrim?
The door price is the same as anywhere else. Because County Antrim is covered by arrangement, any travel cost for delivery and fitting is shown in your quote before you order; the survey itself is free.
Are slimline sliding doors less secure because the frames are thin?
Slimline sliding doors are not less secure simply because the frames are thin; security depends on the locking, the glass and how the panels are held in the track. Well-specified systems use multi-point locks concealed in the interlock, anti-lift features and laminated glass. Slimline systems are available tested to PAS 24, and laminated inner panes can be specified where security is a priority.
How big can slimline sliding door panels be?
Slimline sliding door panels are typically up to about 2.5–3 m wide and up to around 3 m high, depending on the system and the weight of the glass. Our slimline range covers overall widths from about 1.8 m to 6 m in two to four panels. Bigger panels mean fewer interlocks, but they are heavy, so access for delivery and fitting is checked at survey.
What is the lead time for slimline sliding doors?
Slimline sliding doors typically take 6–8 weeks to manufacture after survey sign-off, because the profiles are precision-made and the glass units are large. Fitting typically takes 1–2 days. If the frame is being concealed in a new floor or ceiling, the recesses are formed during the building work, and a sub-frame may be set in place before the screed and plaster go on.