County Antrim · Northern Ireland
Bifold Doors in County Antrim
Want the garden to feel part of the house? We can quote for bifold doors in County Antrim with low thresholds, integral blinds and security glass.
- Guide from £3,595
- 9 towns covered
- Postcode areas BT
Aluminium bifold doors across County Antrim
Bifold doors run on rollers along a track, either top-hung with the weight carried by the head or bottom-rolling with the weight on the threshold. Top-hung systems depend on a strong, stiff lintel or steel above, so the glazier checks support before ordering, because sagging heads cause doors to bind.
Aluminium is the usual material for bifold doors because its strength allows slim, stiff panels that hold heavy double or triple glazed units without distorting. uPVC bifolds cost less but have bulkier frames and suit smaller openings. Engineered timber bifolds offer a natural finish but need periodic re-coating.
The number of panels sets how the doors open. Odd numbers, such as three or five panels, usually include a traffic door that opens on its own for everyday use. Even numbers can split to both sides. Panels can fold inwards or outwards, and outward folding keeps the room clear.
The price of bifold doors depends on overall width and height, the number of panels, material and profile system, colour, glass specification, threshold type and the condition of the opening. Wide or very tall sets and triple glazing add cost. See the guide prices for typical ranges; the written quote fixes your figure.
Towns we cover for bifold doors in County Antrim
Choose your town for local details, nearby areas and the postcode districts we cover.
What applies in County Antrim
Technical Booklet V covers safety glazing in Northern Ireland, including glass in and around doors and low-level glazing where people could walk into it.
Listed buildings in Northern Ireland need listed building consent for most changes to historic windows.
County Antrim has its own coastline, so for homes and businesses near the sea, salt air and wind-driven rain are part of the brief. Salt deposits gather in bifold tracks and on rollers, so coastal sets need more frequent cleaning, stainless or protected running gear, and a coating suited to marine exposure. Wind-driven rain makes a raised threshold or good drainage especially important on exposed elevations.
Long, heavy bifold panels need planned access through the house or a side passage, and parking close by for unloading. In terraces and flats, check permitted development rights, freeholder consent and conservation area rules before ordering.
Guide prices
| Typical job | Guide price inc VAT |
|---|---|
| Aluminium bifold, 2400 mm wide | £4,295 – £5,495 |
| Aluminium bifold, 3000 mm wide | £5,095 – £6,595 |
| Aluminium bifold, 4800 mm wide | £7,495 – £9,595 |
| uPVC bifold, 3000 mm wide | £3,595 – £4,595 |
Choosing your bifold doors
Aluminium bifolds
Slim, stiff thermally broken panels that carry large glass units, powder coated in a wide range of colours and finishes.
Panel configuration
From two to seven or more panels, folding left, right or splitting both ways, with or without a separate traffic door.
uPVC bifolds
A lower-cost option with bulkier frames, suited to smaller openings with fewer panels, available in white, grey and woodgrain foils.
Integrated blinds
Blinds sealed between the panes of each unit, controlled by a magnetic slider, so they never need dusting or catch on folding.
Bifold Doors in County Antrim: questions
How long does it take to fit bifold doors?
Fitting a typical set of bifold doors takes one to two days on site, depending on width, removal of old doors and making good around the opening. The doors are manufactured to the survey sizes first, and the lead time depends on the system and colour; it is confirmed in writing when you accept the quote.
Are bifold doors secure?
Good bifold doors are secure when the traffic door has a multi-point lock and anti-snap cylinder, the other panels have shoot bolts top and bottom, the glass is internally beaded and the hinges and track resist lifting. Ask whether the system has been tested to PAS 24, and consider laminated glass for ground-floor doors.
Can bifold doors have a level threshold?
Yes, most bifold systems offer a low or flush threshold for near level access between inside and out. It works well with a drainage channel outside and some shelter from wind-driven rain, because a flush track is less weather resistant than a raised sill. The glazier checks the patio and floor levels and exposure at survey.
Bifold or sliding doors: which should I choose?
Bifold doors suit you if you want almost the whole opening clear in summer, because the panels fold and stack to the side. Sliding doors suit you if you want the fewest frames and the widest view when closed, because large panels glide past each other. Many people decide by how often they will fully open the doors.
Which parts of County Antrim do you cover for bifold doors?
We cover the whole of County Antrim, including Belfast, Lisburn, Newtownabbey, Carrickfergus and Ballymena, and postcode areas BT. Building rules for bifold doors here follow the regulations for Northern Ireland. Enter your postcode on the quote form and we will confirm cover; then a glazier will arrange a free survey before giving you a written quote.
Other glazing services in County Antrim
- Replacement Glass in County Antrim
- Misted Glass Repair in County Antrim
- Emergency Glazing in County Antrim
- Safety Glass in County Antrim
- Window Repairs in County Antrim
- Window Film in County Antrim
- uPVC Windows in County Antrim
- Aluminium Windows in County Antrim
- Sash Windows in County Antrim
- Composite Doors in County Antrim
- Sliding Doors in County Antrim
- Secondary Glazing in County Antrim
- Roof Lanterns in County Antrim
- Glass Balustrades in County Antrim
- Frameless Glass in County Antrim
- Shower Screens in County Antrim
- Glass Splashbacks in County Antrim
- Bespoke Mirrors in County Antrim
- Glass Roofs in County Antrim
- Shopfront Glazing in County Antrim
- Curtain Walling in County Antrim
- Glass Partitions in County Antrim
- Property Glazing in County Antrim
Get a written quote in County Antrim
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