Call us on 0800 666 444
Lines open from 8:30am - 4:30pm weekdays
uPVC Casement Windows with up to 35% off in Ipswich and Oxford to Essex and Suffolk
uPVC casement windows combine the most popular style with the most popular window material. It’s no wonder they are so loved by homeowners with their high-performance benefits, including A+ energy ratings and superior weather-resistance. With their slender frames, they’ll let in an abundance of natural light to brighten your home.
They can suit any home with a range of customisation options such as Georgian bars, decorative glazing and a plethora of uPVC window coloured frame designs. You can choose between top or side hung windows to control airflow around your home and let in a breeze during the summer, whilst ensuring your home is protected against would-be intruders.
Get a price
Browse colours 
Browse glazing 
Browse colours
Our uPVC casement windows can come in a whole range of colours including classic white or heritage Chartwell Green. We also offer a range of wood effect finishes for an authentic look. We can also create any colour you like with our ‘Kolor bond’ system, allowing you to find your perfect windows.
uPVC Casement Window Colours
White
Black
Grey
Chartwell Green
Cream
Rosewood
Light Oak
Irish Oak
Any RAL Colour
Browse glazing
Our uPVC casement windows can come with either double or triple glazing to let you make the right choice for your home.
Textured glass
Stippolyte
Taffeta
Pelerine
Oak
Mayflower
Minster
Florielle
Digital
Everglade
Chantilly
Contora
Charcoal
Discover more glazing options
The benefits of upgrading your glazing are truly limitless - the most notable features including increased warmth, reduced energy bills & beating future energy price hikes. For complete peace of mind, we also offer toughened glazing options to enhance your home security further.
Why choose uPVC casement windows?
- Multi-chambered frames attain A+ energy ratings.
- The anti-fade coating will keep the frame looking as good as new.
- Secure multi-point locking system for a safer home.
- A versatile style that can be customised in 150 RAL colours and wood effects.
- Maintenance-free design that won’t rot, crack or warp.
- Choose from double glazing or comfort glass options, which can achieve U-values of 0.7.
- Two profile choices; contemporary Chamfered style or the traditional Ovolo sculptured style.
- 100% recycled materials are used when possible.
Replacement uPVC casement windows in Milton Keynes, Chesham, Warlingham and Stevenage
One of the key benefits of upgrading to modern uPVC windows is that they’re essentially maintenance-free. You won’t need to worry about any upkeep or repainting. We only recommend the occasional wipe with a damp cloth to remove any build-ups of debris.
As the most affordable window material, you can be sure that it doesn’t compromise on performance. Our modern uPVC windows utilise an advanced multi-chambered window profile, maintaining a comfortable temperature all year round. You’ll even save money on your energy bills.
Security is another main advantage of replacement double glazed casement windows. With high-quality multi-point locks, you can rest assured that our windows will keep your home and family safe.
uPVC casement windows are the UK’s favourite window style
uPVC casement windows offer versatile designs that can effortlessly add kerb appeal to any style of property. With over 150 RAL colours, you can opt for coloured frames or elegant timber effect styles. We can also include bespoke window furniture to add the finishing touches to their flexible designs.
With a choice between our double and comfort glass, you can decide on the best option for your requirements. Both of which offer exceptional heat retention abilities, and with their thick glass panes, they’ll also keep the exterior noises out of your home. You’ll instantly notice that your rooms are more relaxing and comfortable.
Get a priceBuying a product through SEH BAC offers you real peace of mind
Customer promise
We have the knowledge and experience to provide you with exactly what you need. Our staff are expertly trained to guide and advise you. We offer you a 10 Year Guarantee.
We are one of the largest 
regional retail companies.
Vetted for professionalism, competency & compliancy
Our Accreditations
