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Patio and bifold door security glass · BT1 · County Antrim

Patio and bifold door security glass in Belfast

Thinking about patio and bifold door security glass in Belfast? We measure, check the frames and recommend the glass, then fix the price in writing.

Kitchen extension at dusk with closed anthracite aluminium bifold doors
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How much should I budget for patio and bifold door security glass in Belfast?

Expect £354 to £1,074 including VAT (£295 to £895 plus VAT) per pane for patio and bifold door security glass in Belfast. The written quote names the glass makeup, the price and the lead time before you commit.

Patio and bifold door security glass means fitting large sealed units with a laminated pane into sliding, French or bifolding doors. These doors are usually the biggest glass at the back of the house and out of view, so making the glass hold when it is struck closes one of the easiest routes in.

What you can specify

  • Low-E, argon and solar control glass options
  • Integral blind units replaced like for like where possible
  • Anti-lift and lock checks on sliding doors
  • Glass lifters and enough installers for heavy panes
  • Roller, carriage and hinge adjustment after fitting
  • Laminated inner pane with toughened outer pane

Fitting in Belfast and nearby

We arrange surveys and fitting across Belfast and the BT1 postcode district, and in nearby Newtownabbey (4 miles), Holywood (5 miles) and Lisburn.

County Antrim includes much of Belfast's Victorian commercial centre, Titanic Quarter offices and suburban high streets, plus Lisburn, Ballymena and the towns of the north coast.

Common uses:

  • Sliding patio doors at the back of a house
  • Doors hidden from the street by fences or hedges
  • French doors onto gardens
  • Ground-floor flats with doors onto terraces

What to think about first

Integral blinds

Units with blinds inside the glass can be made with a laminated pane, but lead times are longer.

Laminated inner or both panes

A laminated inner pane is the usual security upgrade. On very exposed doors both panes can be laminated.

Consents and safety: Northern Ireland

Northern Ireland

Safety glass in critical locations

In Northern Ireland, safety glazing is covered by Part V of the Building Regulations (Northern Ireland) 2012, with guidance in Technical Booklet V. It follows a critical-location approach similar to Great Britain, covering glazing in and beside doors and at low level. Laminated or toughened safety glass is the usual answer; building control at the council can confirm the detail.

Planning permission

Planning in Northern Ireland is handled by the eleven councils, which decide whether a new or altered shopfront needs permission; changing the glass in an existing frame usually does not. Bollards or barriers on a public footway need consent from the Department for Infrastructure's roads service.

How it works

  1. Send sizes or use the quote tool
  2. Free survey at your Belfast address
  3. Fixed price in writing
  4. Glass made, then fitted

Patio and bifold door security glass in Belfast: questions

Do you cover Newtownabbey as well as Belfast?

Yes. As well as Belfast, we can arrange surveys in nearby Newtownabbey, Holywood and Lisburn. Dates depend on installer availability.

Can you replace just one pane of a bifold?

Yes. Each leaf takes its own unit, so we can upgrade one leaf or all of them.

Will laminated glass make my bifolds harder to open?

Units are slightly heavier. We adjust hinges, rollers and carriages after fitting so the doors run smoothly.

Do you work on aluminium bifolds?

Yes, on aluminium, uPVC and timber doors, provided the frame can take the new unit thickness.

Patio and bifold door security glass in nearby towns

Other glazing in Belfast

Ready for a price? Use the form or call 0800 088 6248.

Get a guide price for Belfast

Free survey for new installations in Belfast and the BT1 area. Fixed price in writing before anything is ordered.

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