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Timber windows · County Antrim

Triple glazed timber windows in Belfast

Triple glazed timber windows for homes in Belfast: measured on a free survey, made to order and fitted by installation teams working for us across County Antrim.

BT1Postcode district
1.6U-value limit, Northern Ireland (W/m²K)
7h 15mDaylight, 21 Dec
12°Midday sun, 21 Dec
Painted off-white timber flush casement windows on a Victorian red-brick house

A natural, traditional look with modern heat-loss figures. Triple glazed timber windows are made from engineered (laminated) timber, which resists warping, and glazed with a three-pane sealed unit.

Winter light and glass choice in Belfast

By midsummer Belfast has about 17 h 17 min of daylight, but in December only around 7 h 15 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 Belfast

GuideSupply and fit, inc VAT
Small window
about 600 x 1000 mm (bathroom, landing)
£1,295 – £1,595
Medium window
about 1200 x 1200 mm (bedroom)
£1,795 – £2,195
Large window
about 1800 x 1200 mm (lounge)
£2,695 – £3,395

Guide prices. Your written quote after the free survey fixes the price for the specification shown.

Rules for timber windows in Northern Ireland

In Northern Ireland, replacement windows must meet 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.

Before ordering: 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

We start with a survey, not a sales pitch: measurements, the structure above any bays, trickle-vent needs and escape windows. The quote that follows fixes the price, and anything unexpected on the day is agreed with you first.

  • Guide prices published, not hidden
  • No pressure: the quote is yours to keep
  • Frames, glass and fitting in one contract
  • Advice on planning and consents before you order

Questions from Belfast

Are timber windows warmer than uPVC?

They can be. Timber insulates well, and a deep timber frame with triple glass reaches whole-window U-values around 0.8 to 1.1, similar to good uPVC.

Do timber windows need planning permission?

Replacing like-for-like windows on a house is normally permitted development, but conservation areas, Article 4 directions and listed buildings have their own rules. See our planning guide.

Do I need permission for triple glazed timber windows in Belfast?

In Northern Ireland, check with your council planning office before changing the style, material or size of windows, 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.

How long does it take to get triple glazed timber windows fitted in Belfast?

After the survey, typical manufacture time is 6 to 10 weeks, and most homes are fitted in 1 to 4 days.

Nearby

Also near Belfast: Castlereagh (4 km), Newtownabbey (7 km), Holywood (8 km) and Lisburn (11 km).

Other products in Belfast

Timber windows 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.

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