Why choose a Alitherm Heritage Windows

Providing a modern, like-for-like replacement for traditional materials, Alitherm Heritage is the ideal solution for projects where planning or design demands dictate the installation of sympathetic materials .

Steel Window Replacements

Providing a modern, like-for-like replacement for steel windows. The Alitherm Heritage window range features the slim profiles and sight lines that are associated with traditional steel doors and windows. However, the system’s timeless elegance is also accompanied by the outstanding thermal performance of a modern aluminium system – each delivering a ‘B’ Energy Rating. Featuring slim, thermally-broken profiles, Alitherm Heritage windows are available in a number of formats.

Slimline Windows

Inspired by the aesthetics of traditional steel windows, Alitherm Heritage features signature slim sightlines and attractive contours making it the ideal choice for heritage building conservation areas where building regulations demand a like-for-like replacement.

Listed Buildings and Conservation Areas

The Alitherm Heritage range is specifically designed to meet the requirements of refurbishment and renewal projects on listed buildings and in conservation areas. Ideal for Victorian and Art Deco projects, the range of commercial and residential windows and balcony doors are already proven in a wide range of renovation, refurbishment and heritage projects across the UK.

Colour options

Our Heritage windows comes in a choice of 3 hard-wearing colour finishes, including white, anthracite and black offering stunning ultra slim, clean and modern look. Please call to enquire about other options.

White
RAL 7016
Black

Personalise your Heritage Window

Glass Upgrades

We have numerous glass options to suit your needd including 24mm, 28mm, 32mm & 36mm. Modern aluminium windows are thermally-broken using polyamide, an excellent insulator which helps to insulate windows against heat loss.

Made to Measure

Each and every window is made bespoke to your needs. Heritage windows offer a maximum width of 900mm by 2100mm in height. Download our technical guide for details.

Wide range of designs

Alitherm Heritage windows are available in a number of formats, including fixed-pane, sash, top-hung and side-hung casement, pivot and tilt and turn.

Handles and Hardware

Our Alitherm Heritage ranges are all available with a full suite of hardware options, synonymous with Victorian and Art Deco styles – including ‘Monkey Tail’ and ‘Bulb’ options.

Supply Only or Fitted

We can deliver your Heritage windows direct to site or direct to your home… all ready to fit. We also offer a comprehensive installation service were we take care of everything.

Selection of colours

Our Heritage windows comes in a choice of 3 hard-wearing colour finishes, including white, anthracite and black offering stunning ultra slim, clean and modern look.

Technical Information

WER Rating B
U Value 1.5W/m²K (using 1.0W/m²K glass unit)
Air Class 4, 600Pa
Water Class 9A, 600Pa
Wind Class AE, 2400Pa
Document L Compliant Yes
Kitemark Yes
BS 6375-1:2009 Yes
BS 4873 Yes
PAS 24:2012 Yes

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now open in middlesbrough and newcastle

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