Get a Quote uPVC Casement Windows

uPVC Casement

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French-Casements-Window-29.jpg Double Glazed uPVC A+ Casement Windows Your windows must be both visually attractive and secure. But it's also crucial that they are energy efficient, saving you money on your heating bills. Windows with BFRC Energy Ratings are the most technically superior glazing solutions available for your home today. The higher the U value, the better the thermal performance and Solar Gain, and the more you save on energy bills.

Southeast Windows Ltd offers an energy-efficient window system called EnergyPlus. It has a 6-chamber profile with an A+ Window Energy Rating as a standard feature, often sold as a premium by other companies. Our window system comes in various frame colours, finishes, hardware, and glazing options, making it a perfect fit for any home. It is versatile regarding window design and security options, making it ideal for new build projects with Document Q approval.

EnergPlus 6-chambered casement uPVC window is A+ rated for energy efficiency. Its slim sightlines allow maximum natural light to enter your home. You can choose from various configurations and styles, including top or side hung, arched top, or a French Casement window with a fire escape.

You can enhance the appearance of these casement windows by adding mock sash horns or astragal bars for character and Georgian bars for small window panes.

Two Week Turnaround:
We can install your made-to-measure Casement Windows within two weeks from the order date for a quick turnaround when a project requires completion quickly.

Choosing our uPVC casement windows guarantees you can forever say goodbye to draughty windows. This window has a unique, patented double-action bubble gasket.

The uniquely designed six-chamber EnergyPlus system is so efficient that it can achieve the energy rating A+13 Solar Gain. Our double-glazed units include a soft-coat Low-E coating, argon gas between the glass panes, and a warm-edge spacer bar. Upgrading to a triple glazing BFRC licence gives us A+23 Solar Gain, surpassing the new A++ standard.

Our uPVC casement windows come in either sculptured (Ovolo) or chamfered (bevelled) 70mm Profiles frame. You can mix and match the profiles without extra cost. You can upgrade your windows with 28mm double-glazed units, which include Pilkington 6.8 Optiphon soundproofing glass security with a Secure by Design locking system to improve both the glass and locking systems. Ensure that any potential burglar will have limited options for entry. Our windows are internally beaded and fully welded, providing the best security and strengthening corners and joints between mullions and transoms.

Our company proudly offers Thermally Efficient Windows designed to make your home warm, safe, and secure. We also provide insulation tape for the UK weather to complement our windows. Our insulation tape reduces heat loss from the edge seal, which results in a U-value of 1.2 w/mk2. The middle layer of our windows has a thermal and sound-insulating effect and reduces traffic noise by up to 43b. Our windows are guaranteed UV stable for ten years and have a life expectancy of 40 years.

Call Today for Your No-Obligation Free Quotation and learn about the benefits our A+ Energy Rated Windows can offer you for your next project.



London East: 020 8472 4088 Head Office
London South: 0203 856 6667
London North: 0203 856 6669
Romford: 01708 202 457
Great Dunmow: 01371 704 771
Chelmsford:01245 208 058

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Thermally Efficient

Our Casement Windows combine function and form to help you to enjoy a more comfortable home, made possible through our unique multi-chambered profile that achieves A+ standards of thermal efficiency.
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Customer Reviews
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David Strange | London
Really great job done by Peter and his team. They replaced all the windows in our 3rd floor flat, quickly and matching the old design exactly. Peter provided very helpful advice as to which type would be best for our needs (we went for double glazing with extra accoustic glass) and he also gave us a full break down of the pricing etc. Not at all pushy, just a decent window fitter who did a very professional job. We have already recommended them to all our neighbours and I would highly recommend South East windows to anyone.

05/09/19
Paula Adams | London
Can't tell you how happy I am. Peter fitted french doors and side panels last month for me. Great service from first visit for quotation to completion of work. Straight forward no nonsense, what you see is what you get! Peter worked tirelessly and the level of workmanship was second to none! The doors look fantastic and the finish is perfect! Thank you so much Peter. I will definitely be back for the windows very soon. I would not hesitate to recommend you to anyone. Great quality, workmanship and price!

05/09/19
Zaf K | London
High recommendations for Southeast Windows. Roy was a pleasure to deal with and was always happy to assist with his extensive experience in the industry which really shows though. Would definitely recommend Southeast Windows to all friends, colleagues and family. Roy done an excellent and professional job with no pushy sales and great aftercare along with honest and upfront advice and assistance- what else can you ask for? Thanks again.

05/09/19
Terry March | London
Very happy with Roy and his team who fitted a front door, patio doors and windows throughout the house. All great quality and a lovely finish. Would highly recommend this company from the very first visit to the end result they were very professional and left no mess.

05/09/19
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