Aluminium windows · Scotland
Triple glazed aluminium windows in the Forth Valley
Triple glazed aluminium windows across the Forth Valley: free survey, written fixed quote, and fitting by installation teams working for us. Towns we cover include Stirling, Falkirk and Grangemouth.

Slim sightlines and a powder-coated finish, with three panes of glass. 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.
Guide prices across the Forth Valley
Small window
about 600 x 1000 mm (bathroom, landing)
£1,095 – £1,395inc VAT · £910 – £1,160 ex VAT
- Aluminium frame, triple glazed, warm-edge spacers
- Removal and disposal of the old window
- Fitted, sealed and made good inside and out
Medium window
about 1200 x 1200 mm (bedroom)
£1,495 – £1,895inc VAT · £1,245 – £1,580 ex VAT
- Aluminium frame, triple glazed, warm-edge spacers
- Removal and disposal of the old window
- Fitted, sealed and made good inside and out
Large window
about 1800 x 1200 mm (lounge)
£2,295 – £2,795inc VAT · £1,910 – £2,330 ex VAT
- Aluminium frame, triple glazed, warm-edge spacers
- Removal and disposal of the old window
- Fitted, sealed and made good inside and out
Guide prices, supply and fit. The written quote after your survey fixes the price for the specification shown; anything extra is agreed with you first.
Towns in the Forth Valley
Rules in Scotland
The rules for replacement windows in Scotland are set by the Building Standards Technical Handbook (Domestic), section 6: 1.6 W/m²K. Replacing a window or door, frame and all, does not need a building warrant, but the work must still meet the building standards.
Before ordering: Since May 2024, replacement windows on houses are widely permitted development, including in many conservation areas, with front elevations expected to match the existing closely; your council tells you if prior notification applies. Flats outside conservation areas generally need permission only if the opening size changes. Listed buildings need listed building consent.
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.
- Free survey and a written quote fixed for the specification
- Glass build-up and whole-window U-value on every quote
- Written handover pack at the end of the job
- Guarantees on frames, units and fitting in writing
Questions
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.
How much do triple glazed aluminium windows cost?
Our guide runs from £1,095 for a small window to £2,795 for a large one, fitted and inc VAT. UK quotes typically sit 20 to 35% above uPVC.
Do you cover all of the Forth Valley?
We arrange surveys and fitting across the Forth Valley.
Do I need permission for triple glazed aluminium windows in Scotland?
In Scotland, replacement windows on houses are widely permitted development since May 2024, with front elevations expected to match closely; listed buildings need consent.
Aluminium windows in nearby areas of Scotland
- Lanarkshire
- Edinburgh and the Lothians
- Glasgow and the Clyde
- Perth and Kinross
- Fife
- Ayrshire
- Argyll and Bute
- Scottish Borders
- Angus and Dundee
- Dumfries and Galloway
Other products in the Forth Valley
- 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 across the Forth Valley
Written quote fixed for the specification, after a free survey. No building warrant is needed for a straight replacement in Scotland; we fit to the building standards and give you a written handover pack.
