POPULAR & VERSATILECasement windows are the most popular choice across the UK, featuring hinged sashes that open outwards for excellent ventilation and easy cleaning. These versatile windows suit both traditional and modern homes, available in high-quality uPVC and aluminium materials to match your architectural style perfectly.
Made from premium REHAU profiles, our uPVC casement windows offer outstanding energy efficiency with minimal maintenance requirements. The multi-chamber design provides excellent thermal performance, helping reduce your energy bills while keeping your home comfortable in all weather conditions.
These durable windows feature smooth finishes that resist warping, rotting, and fading, ensuring they’ll look pristine for decades. With U-values achievable down to 0.8 W/m²K using triple glazing, they’re an ideal choice for modern homes seeking the highest standards of thermal efficiency and look of your home. Whilst uPVC is sometimes associated with a plain white finish, at Sanderstead Windows we’re proud to offer a much wider selection, including stunning woodgrain effects and standout shades.
Choose from our comprehensive colour collections including contemporary greys, timeless whites, traditional woodgrain finishes, and bold statement colours to perfectly complement your home's aesthetic appeal.
Alux
Black Brown
Chartwell Green
Clotted Cream
Dark Oak
Elephant Grey
Golden Oak
Irish Oak
Mahogany
Midnight Black
Pearl Grey
Pebble Grey Grained
Racing Green
Rosewood
Ruby Red
Sage
Simply White
Slate Grey Grained
Smooth Anthracite Grey
Smooth Basalt Grey
Steel Blue
Turner Oak
Walnut
Our casement windows feature high-performance double or triple glazing with U-values as low as 0.8 W/m²K for exceptional thermal efficiency. Advanced multi-point locking systems and toughened glass provide robust security and peace of mind for your family.
Cassini (Privacy level 5)
Chantilly (Privacy level 2)
Charcoal Sticks (Privacy level 4)
Contora (Privacy level 4)
Digital (Privacy level 3)
Everglade (Privacy level 5)
Florielle (Privacy Level 4)
Mayflower (Privacy level 4)
Minster (Privacy level 2)
Oak (Privacy level 4)
Pelerine (Privacy level 4)
Reeded (Privacy Level 2)
Taffeta (Privacy level 3)
Tribal (Privacy level 5)
Warwick ( Privacy level 1)
Download our comprehensive product brochures and technical specifications for detailed information.
Our Sheerline aluminium casement windows feature ultra-slim sightlines from just 59mm, maximising natural light and creating that sought-after contemporary aesthetic, inside and out. The innovative Thermlock® technology delivers exceptional thermal performance with A+ energy ratings possible, making them perfect for replacing old windows and lower energy bills.
Hand-tuned for perfection with decades of experience behind every installation, these premium windows combine aluminium’s clean lines with superior durability and weather resistance. Available in various colours and finishes, they’re the obvious choice for modern homes where style meets performance.
Get answers to common questions about our casement window installations and discover why we're Croydon's trusted glazing experts with years of experience.
Contact UsCasement windows open outwards on top or side hinges, providing excellent ventilation and easy access for cleaning from inside your home.
Our new casement windows achieve U-values as low as 0.8 W/m²K with triple glazing, significantly reducing heat loss and energy bills.
With proper installation and minimal maintenance, quality casement windows typically last 20-30 years, backed by our comprehensive warranties and peace of mind guarantee.
Yes, our uPVC and aluminium casement windows offer dual-colour options, allowing different finishes for interior and exterior to suit your design preferences perfectly.
Our expert team provides complete installation including the sustainable removal of old windows, professional fitting, weatherproofing, and thorough cleanup - we do an excellent job every time with our exceptional service guarantee.
Sleek, modern windows with sash and frame perfectly aligned for contemporary elegance.
Traditional sliding sash windows combining period charm with modern uPVC technology and energy efficiency.
Maximise natural light and create stunning architectural features with our beautiful, custom-designed bay and bow window installations.
Versatile inward-opening windows offering secure ventilation and effortless cleaning with simple turn of ergonomic handles.
Highly recommend Sanderstead Windows! I needed a window handle changed and, rather than charging me for a call-out, they gave me honest advice on how to fix it myself. Their...
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Sanderstead Windows did an excellent job replacing our 100-year-old windows and door. The team was professional, polite, quick and very efficient throughout the installation. They offered great value for money...
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I am over the moon with my smart new windows & notice the difference they have made to the temp in the house already. Colin & his team were on...
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I was looking for someone local who could supply and install Flush casement windows. After meeting with a few suppliers and checking reviews, I chose to go with Sanderstead Windows....
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Colin and Aca done a fantastic job. said they was going to be here at 07:30am and they was bang on time, also said the windows was going to be...
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Top class work from Colin and his team , professional and helpful through the whole process of changing our old French doors to bi-folding doors The standard of the work...
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Highly recommend Sanderstead Windows! I needed a window handle changed and, rather than charging me for a call-out, they gave me honest advice on how to fix it myself. Their tip worked perfectly and saved me a lot of money. It’s rare to find such an honest, helpful local business. I’ll definitely be using them for any future work.
Sanderstead Windows did an excellent job replacing our 100-year-old windows and door. The team was professional, polite, quick and very efficient throughout the installation. They offered great value for money and took the time to guide us through the options so we could make the right decisions for our home. The quality of the work is fantastic and everything looks beautiful. We would definitely choose Sanderstead Windows again and highly recommend them. Thank you so much!
I am over the moon with my smart new windows & notice the difference they have made to the temp in the house already. Colin & his team were on time, professional and very hard working. From the first visit I felt confident that Sanderstead windows were the company for me. No hard sell tactics or silly prices and lots of advice and information. I had 5 quotes in total and am happy to recommend them to anyone. Thank you all at Sanderstead Windows
I was looking for someone local who could supply and install Flush casement windows. After meeting with a few suppliers and checking reviews, I chose to go with Sanderstead Windows. Colin recommended Residence 7 windows, which really look the part. In total Colin installed 9 Windows and a back door, spread over around a year as we worked through a big renovation. I’m really happy with how the job went, the Windows look fantastic, and Colin was flexible and easy to deal with. Highly recommended.
Colin and Aca done a fantastic job. said they was going to be here at 07:30am and they was bang on time, also said the windows was going to be fully fitter within one day, they done by folding doors with blinds in and out all within one day. Very impressed with the workmanship even in the rain, the doors turned out far better than we thought. No decorating needed inside, perfect fit. Fantastic job top marks to the guys. Highly recommended .
Top class work from Colin and his team , professional and helpful through the whole process of changing our old French doors to bi-folding doors
The standard of the work when fitting was high end and clean and tidy throughout
Thank you sanderstead windows ,very happy customers
John and fiona
