Aluminium windows · County Antrim
Triple glazed aluminium windows in Lisburn
Looking at triple glazed aluminium windows for a home in Lisburn? We survey, quote and fit across County Antrim, and the BT27 postcode district is part of that.
Thermally broken aluminium carries heavy triple glass in slim frames, in any RAL colour. Triple glazed aluminium windows use thermally broken aluminium frames, where an insulating strip separates the inside and outside of the frame, holding a three-pane sealed unit.
Winter light and glass choice in Lisburn
By midsummer Lisburn has about 17 h 16 min of daylight, but in December only around 7 h 16 min, with the noon sun at about 12°. Triple glazing keeps more heat in during those long, dark months; big south and west windows may suit solar-control glass for summer.
Guide prices in Lisburn
| Guide | Supply and fit, inc VAT |
|---|---|
| Small window about 600 x 1000 mm (bathroom, landing) | £1,095 – £1,395 |
| Medium window about 1200 x 1200 mm (bedroom) | £1,495 – £1,895 |
| Large window about 1800 x 1200 mm (lounge) | £2,295 – £2,795 |
Guide prices. Your written quote after the free survey fixes the price for the specification shown.
Rules for aluminium windows in Northern Ireland
The rules for replacement windows in Northern Ireland are set by Technical Booklet F1 (2022): 1.6 W/m²K, or a Window Energy Rating of band C or better. Replacing windows or 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.
Planning: Check with your council planning office before changing the style, material or size of windows or 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 Lisburn
Are aluminium windows cold?
Not if the frame has a proper thermal break. Modern thermally broken systems with triple glass reach whole-window U-values around 1.0, well inside the Building Regulations limit for replacement windows.
Can aluminium windows take triple glazing?
Yes, and the strength of aluminium suits the extra weight. The system needs a glazing rebate deep enough for the unit, which we check on survey.
Do you fit triple glazed aluminium windows in Lisburn?
Yes. We arrange surveys and fitting in Lisburn and across County Antrim. Send your postcode and the windows or doors you want replaced, and we will book a free survey.
How long does it take to get triple glazed aluminium windows fitted in Lisburn?
After the survey, typical manufacture time is 5 to 7 weeks, and most homes are fitted in 1 to 4 days.
Nearby
We also cover nearby Belfast (11 km), Castlereagh (11 km), Newtownabbey (17 km) and Holywood (19 km).
Other products in Lisburn
- uPVC 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
- French 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
Aluminium windows in Lisburn: 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.