- Postcode district
- BT1
- Survey
- Free, area covered by arrangement
- Typical lead time
- Typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off
- Guide price
- From £1,995 inc VAT
- Nearby
- Newtownabbey, Holywood, Lisburn
- Building rules
- Northern Ireland
Is a tilt and slide door a good fit for your home in Belfast?
A few practical points decide whether tilt and slide doors suit a particular room and opening:
If a bedroom in your Belfast home opens onto a balcony or garden, the tilt position on tilt and slide doors lets in fresh air at night without leaving the door open.
For a flat in Belfast, check your lease or title deeds and speak to the managing agent, factor or other owners before replacing a balcony door, since flats can need consent that houses do not.
- A tilt and slide door fits the same kind of opening as an ordinary patio door, so a draughty older slider can often be swapped without building work.
- Locking points engage around the whole perimeter of the sash, much like a window, rather than only along the closing edge.
- The tilt position opens a narrow gap at the top of the sash while the hardware holds it in place, so a room can be aired without leaving a door open.
How much sun will a door in Belfast get?
Sun angles matter for big glazed doors. Around Belfast, 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.
What should you budget for tilt and slide doors in Belfast?
Guide prices are the same across County Antrim: the fitted price depends on the size, system and specification, not your postcode. These figures are for a standard 2.1 m high door, fitted, including VAT and removal of an old door of similar size.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £2,195–£2,695 |
| 2.4 m | 2 panels | £2,595–£3,195 |
| 3.0 m | 2 panels | £2,995–£3,595 |
See every size on the tilt and slide doors page or try the guide price tool.
What happens when you order tilt and slide doors in Belfast?
Here is the usual sequence in Belfast: guide price, free survey, written quote, then manufacture (typically 2–4 weeks for uPVC or 4–6 weeks for aluminium, from survey sign-off). Fitting typically takes 1 day for a straight swap in an existing opening. Nearby, we also survey in Newtownabbey, Holywood and Lisburn. Belfast 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.
Rules for tilt and slide doors 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.
Finishes and extras for tilt and slide doors
- Material. uPVC for a lower price and shorter lead time, or aluminium for slimmer frames and powder-coated colours.
- Restrictor. A sliding restrictor on many systems to limit the opening for upstairs rooms or homes with young children.
- Glass. Toughened or laminated double glazing, or triple glazing for extra warmth and sound reduction.
Questions about tilt and slide doors in Belfast
Do I need building approval for tilt and slide doors in Belfast?
In Northern Ireland the Building Regulations (Northern Ireland) apply through district council building control; work there is by arrangement. We confirm the right route for your property at survey, so the paperwork is in place before fitting.
Is a tilt and slide door safe to leave tilted?
A tilt and slide door in the tilt position opens only a narrow gap at the top, so it is far harder to get through than an open door, but it is not locked. Close and lock the sash whenever the house is empty. When closed, perimeter locking points hold the sash like a window, and systems are available tested to PAS 24.
How wide can a tilt and slide door be?
A tilt and slide door in our range is typically about 1.5 m to 3 m wide overall, with one opening sash and one fixed panel. The sash size is set by the hardware's weight limit, which is lower than for inline or lift and slide systems. If you need a wider opening, a standard aluminium slider or a lift and slide door is the usual alternative.
How much does a tilt and slide patio door cost?
Tilt and slide patio doors start from a guide price of £1,995 for a 1.5 m two-panel door, fitted, inc VAT, at standard 2.1 m height. A 2.1 m door is a guide £2,395–£2,895, and a 3 m door is around £2,995. Aluminium frames, colour and triple glazing move the figure up, and the final price is fixed in a written quote after survey.