French doors · County Antrim
Triple glazed French doors in Belfast
Triple glazed French doors for homes in Belfast: measured on a free survey, made to order and fitted by installation teams working for us across County Antrim.
Pairs of garden doors with triple glazed safety glass. French doors are a pair of doors that open together, with no fixed centre post, usually leading to a garden or patio.
Winter light and glass choice in Belfast
In Belfast, midday sun in late December sits around 12° high, with roughly 7 h 15 min of daylight. For windows facing north or shaded by neighbours, cutting heat loss matters more than solar gain; on open south-facing glass, ask about a higher solar-gain unit.
Guide prices in Belfast
| Guide | Supply and fit, inc VAT |
|---|---|
| uPVC French doors about 1.5 m wide | £1,295 – £1,695 |
| uPVC French doors with side panels about 2.4 m wide | £1,895 – £2,395 |
| Aluminium French doors about 1.8 m wide | £2,895 – £3,695 |
Guide prices. Your written quote after the free survey fixes the price for the specification shown.
Rules for french doors in Northern Ireland
Northern Ireland sets replacement door limits through Technical Booklet F1 (2022): 1.8 W/m²K. Replacing external doors does not need full plans or a building notice, but the work must still comply; enlarging an opening or other structural change needs building control approval.
Before ordering: Check with your council planning office before changing the style, material or size of doors, and always for listed buildings, conservation areas and flats.
How it works
You will know exactly what you are buying: the quote states the unit build-up, frame, finish, fitting work and how Building Regulations compliance is handled. On fitting day each opening is replaced and closed up before the team moves on.
- Every opening measured, including escape and vent needs
- Frames rated for the weight of triple glass
- Old windows removed and taken away
- Each opening closed up the same day
Questions from Belfast
How much are triple glazed French doors?
Our guide starts at £1,295 fitted for uPVC and £2,895 for aluminium, inc VAT.
Are French doors secure?
Modern French doors lock at multiple points on both leaves. We specify PAS 24 tested doorsets where available.
How long does it take to get triple glazed French doors fitted in Belfast?
After the survey, typical manufacture time is 4 to 7 weeks, and a door is usually fitted in a day.
Do I need permission for triple glazed French doors in Belfast?
In Northern Ireland, check with your council planning office before changing the style, material or size of a door, and always for listed buildings and flats. Check whether your street is in a conservation area or covered by an Article 4 direction before changing the style.
Nearby
Also near Belfast: Castlereagh (4 km), Newtownabbey (7 km), Holywood (8 km) and Lisburn (11 km).
Other products in Belfast
- uPVC windows
- Aluminium windows
- Timber windows
- Alu-clad timber windows
- Casement windows
- Flush casement windows
- Tilt and turn windows
- Sash windows
- Bay and bow windows
- Fixed and picture windows
- Composite front doors
- Sliding patio doors
- Bifold doors
- Glass-only replacement
- Acoustic triple glazing
- Security glazing
- Whole-house replacement
- New builds and self-builds
- Period homes and conservation areas
- Flats and apartments
- Passivhaus and EnerPHit
French doors in Belfast: book your free survey
Written quote fixed for the specification, after a free survey. No building notice is needed for a straight replacement in Northern Ireland; we fit to the regulations and give you a written handover pack.