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Aluminium Window & Door Trade Manufacturers Since 1985

Founded in 1985, Duration Windows is a world-class trade manufacturer of premium aluminium windows and doors. Combining over 40 years of expertise with modern manufacturing, we deliver high-performance aluminium products nationwide.

Aluminium Window & Door Trade Manufacturers Since 1985

Founded in 1985, Duration Windows is a world-class trade manufacturer of premium aluminium windows and doors. Combining over 40 years of expertise with modern manufacturing, we deliver high-performance aluminium products nationwide.

Aluminium Window & Door Trade Manufacturers Since 1985

Founded in 1985, Duration Windows is a world-class trade manufacturer of premium aluminium windows and doors. Combining over 40 years of expertise with modern manufacturing, we deliver high-performance aluminium products nationwide.

Sustainability Award 2025
Build Winner Duration Windows
Award of Excellence 2025
NFA24 Aluminium Fabricator of the Year
Building and Facilities News Winner 2024
Most Popular

Duratherm 400

DuraTherm 400 Windows are designed to significantly reduce heat loss and outside noise with excellent weather performance. Fully compliant with Part L of the Building Regulations.

1.4
Double Glazed
1.2
Triple Glazed
A
Energy Rating
Multi Applications

DuraTherm 300

DuraTherm 300 Windows significantly enhance the overall U-Value with an extended polyamide thermal break, achieving a Window Energy 'A' rating. Meets DOC L 2022.

1.6
Double Glazed
1.4
Triple Glazed
A
Energy Rating
Superb Thermals

Premium HI

Premium aluminium windows offer high performance, high security & slim frames. Cost effective, thermally efficient windows achieving a WER 'B'. Styles and designs to suit any home.

1.4
Double Glazed
1.2
Triple Glazed
A
Energy Rating
Flush Finish Frame

Premium HI Flush

Offering a perfect combination of flush finish and the option of slim sightlines, ideal for contemporary new builds and refurbishment projects replacing slimline timber or even steel.

1.4
Double Glazed
1.2
Triple Glazed
A
Energy Rating
Energy Efficient

Premium Plus

'A' rated energy efficient aluminium windows - the most thermally efficient windows that we offer. Thesewill reduce your carbon foot print and save you money on your household bills.

1.5
Double Glazed
1.3
Triple Glazed
A
Energy Rating
Tilt & Turn

Tilt & Turn HI

Tilt and Turn windows provide an ideal solution for high-rise applications where internal glazing and ease of cleaning are essential.

1.4
Double Glazed
1.2
Triple Glazed
Horizontal Slider

Duraslide 2000 Window

Offering horizontal openings of up to 6 metres, the thermally efficient Duraslide 2000 is an evolution of our original aluminium slide window system.

B
Energy Rating
Folding Window

Folding Window

Aluminium folding windows use the same tried and trusted system that we use for our excellent continental folding doors.

1.4
Double Glazed
1.2
Triple Glazed
Excellent Performance

Elegant Doors

Designed for the modern family, this stunning collection of aluminium entrance doors combines elegance and style and colours, with outstanding performance.

1.2
Double Glazed
Back Door

Single & Double Doors

Featuring slim, elegant lines, Durafold 1000 Slimline features our ‘Quick-Glaze Bead’ which offers quicker fabrication and installation, as well as being easy to remove for maintenance and cleaning.

1.4
Double Glazed
1.2
Triple Glazed
A
Energy Rating

News

Duration Windows latest updates, awards & announcements.

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