Enhanced Energy Efficiency
Can achieve an A energy efficiency rating with the correct double or triple glazed unit.
Key Features
Alitherm aluminium windows are a suite of high performing and aesthetically attractive windows. The Alitherm window suite contains a variety of different systems to suit all types of applications. Suitable for both residential and commercial installations, they can be installed in both modern and traditional properties.
Superb Security Standards
Can incorporate either high security multi-point locking systems or cockspur locking handles.
Attractive Aesthetic Appearance
Can be specified to suit both modern and traditional property designs.
Additional Features
- Ovolo, chamfered and square edged profiles
- Polyamide thermal break technology
- Internal and external beading options
- Side hung and top hung options
- Document L compliant
- Adheres to all current building regulations
Product Information
Select your preferred colour for your Alitherm windows. Choose the best glazing options. And add the hardware of your choice.
Colour Options
Popular Colour Options
Choose from any of over 200 RAL colours. You can also select dual colour frames.
Colour Selected:
Glazing Options
Popular Glazing Options
24mm, 28mm, 32mm, 36mm and 44mm glazing options. Available with double, triple, and acoustic glazing options.
Warwick
Tribal
Taffeta
Reeded
Pelerine
Oak
Minster
Mayflower
Florielle
Everglade
Digital
Contora
Charcoal Sticks
Chantilly
Cassini
Hardware Options
Popular Hardware Options
Choice of durable and attractive hardware options. Choose your preferred handles to match your property’s style.
Gold
White
Antique Black
Black
Grey
Satin Chrome
Brilliant Bronze
Gold
Chrome
Downloads
What are your lead times for quotes and installations?
We can provide trade quotes within 8 working hours. Retail quotes are provided within 48 working hours. Homeowner installation is provided from 4 weeks depending on product specifications.
What colours are available?
Alitherm windows are available in any of over 200 RAL colours. This includes metallic, Smart Sensations textured and Alchemy anodised effect finishes.
What frame depths are available?
Alitherm 300 – 53mm and 70mm. Alitherm 400/600 – 59.5mm and 70mm. Alitherm 800 – 61mm and 70mm. Alitherm Heritage – 47mm and 70mm.
What accreditation do you provide?
Alitherm windows are document L compliant. They are also BS Kitemarked, and all installations are FENSA registered.
Do you provide a product guarantee?
Alitherm aluminium windows are guaranteed for 25 years against peeling, warping, and bowing. Window hardware is guaranteed for 1 year from date of purchase and sealed units are guaranteed for 10 years against faulty seals that cause internal condensation.
What our customers are saying
Have a read of some of our positive customer reviews to see for yourself the superb quality of our products and services.
Excellent service and products. From quote through to fitting the experience has been straightforward and everyone who I have dealt with have been friendly, helpful...
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Jon Varey
Via Facebook
Jack helped me find the right part I needed and was really helpful…the original window fitters told me it was discontinued and they couldn’t find...
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Nicola Haslam-Ball
Via Facebook
Would highly recommend the team at Warwick. From a new front door to a complete new set of windows through out they have been great....
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Zoe Earnshaw
Via Facebook
Everyone we dealt with at Warwick was helpful, efficient, informative, and most of all friendly. I can’t recommend them highly enough!
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Mark Harrison
Via Google
Warwick Development are a fantastic company to use! From the initial enquiry to the quote, survey, problem solving and fitting the new window, it has...
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Clare Monaghan
Via Google
Smooth process from ordering to the fitting, very professional team. Windows and doors look stunning. Would recommend to others.
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Andrea Martin
Via Google
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Areas we serve
From our Sheffield headquarters, we offer a free nationwide delivery service to trade glazing customers. We work with small, medium, and large glazing companies both locally and nationally, and aim to respond to all trade enquiries with a no obligation quote within 8 hours.
For homeowner customers, we provide a full design and installation service within a 45-mile radius of our Sheffield HQ. Our showroom is open from Monday to Friday, so why not call in to see what we have to offer.
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