Why choose our Aluminium Curved Window Range

All Our Aluminium Curved Windows are manufactured in house in our Manufacturing facility in Middlesbrough. We have invested in all the latest high tech Machinery and Software. This ensures all products leave our factory to the highest of standards.

Fastest Turnaround in the UK

All our curved windows are manufactured in industry beating times. Providing you are looking for a Standard Stock Profile and Colour we look to deliver you curved windows in 14 days.

  • 2 Week Delivery on Standard Profiles
  • UK Delivery
  •  Quotes Sent Back same day

High Spec CNC Machinery

All our Aluminium Curved Windows are manufactured using state of the art CNC machines. We have invested in high tech machinery in order to make all our aluminium windows to the highest of quality. We use the following machinery to make you curved windows

  • CNC Bending Machine
  • CNC Routing Machines
  • CNC Saw Machine

Bulk Buying Discounts - Available

We specialise in Large Scale projects. No matter the size we can handle it. Our pricing structure works on the more you buy the cheaper it is. We delivery all over the UK in our own fleet of vehicles. If you need a quote of you next aluminium project please don’t hesitate to give us a call. We can also ship to other countries if required please get in touch for more information.

  • UK Delivery by Own Fleet of Vehicles
  • We Ship overseas – Please get in contact
  • We Ship Worldwide

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.

RAL 7016
All RAL Colours

Personalise your Curved Aluminium Windows

Dual colour available

Alitherm products are available in a choice of standard or non-standard colours, including dual colour where you have achoice of the same colour inside and out.

Choose your colour

Our unrivalled range of colour and finish options provides inspiration for all types of properties. From contemporary urban homes to traditional Cotswold cottages, we have the perfect colour to suit every project in any location.

Wide range of designs

Alitherm 600 windows are available in a number of formats for side and top hung open out windows suitable for both the residential and commercial markets.

Handles colours

Our Alitherm 600 range comes with a whole range of colour options including; white, black, chrome, satin and gold. Multipoint shootbolt locking fitted as standard. Option of cockspur handles.

Glass upgrades

The alitherm 600 range comes with a range of glass options 28mm to 38mm double or you can upgrade to triple glazed units to improve the u value of your window.

Made to measure

Each and every window is made bespoke to your needs. side hung windows offer a maximum width of 1000mm by 1400mm in height. Top hung 1400mm by 1500mm in height.

Technical Information

WER Rating B
U Value 1.3W/m²K (using correct glass unit)
Air Class 4, 600Pa
Water Class E, 1200Pa
Wind Class AE, 2400Pa
Document L Compliant Yes
Kitemark Yes
BS 6375-1:2009 Yes
BS 7950:1997 Yes
BS 4873 Yes
PAS 24:2012 Yes

Technical Resources

Visit one of our local showrooms

now open in middlesbrough and newcastle

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Request a Quote

Interested in our products click here to complete our quote request form, one of our experts will get right back to you with a price.

Want to speak to an advisor? Give our team a call on 0800 025 8007