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Why Choose Our Energy Efficient Casement Windows?
With over 100 years of experience in home improvements and renewable energy, Energy Efficient Homes offers the perfect blend of expertise and innovation., Our energy-efficient casement windows are designed to reduce heat loss, cut energy bills, and improve your home’s comfort., Enjoy transparent pricing, expert installation, and a wide choice of styles to match your home perfectly.
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Key Benefits of Our Windows
Experience the difference with our advanced window technology.
Energy Saving
Reduce your heating bills with windows that keep the warmth in and the cold out.
Premium Quality Materials
Our casement windows are crafted from the finest materials to ensure durability and long-lasting elegance., Energy-efficient features like double glazing and thermal breaks improve insulation.Double-glazed for maximum efficiency, Strong, durable uPVC frames, Low-maintenance and weather-resistant
Testimonials
Absolutely exceptional customer service, installation service and extremely prompt at answering any questions I had! Anyone in the south east or east of England looking...
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Josh
Via Trusted Trader
Really pleased with our new door, great value and great service throughout. Thank you Sean and team?
Becky
Via Trusted Trader
A great service from start to finish. Friendly knowledgeable colleagues and very helpful. They did a great job and cleared up after themselves. Very happy...
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Michelle
Via Trusted Trader
Absolutely delighted with the whole process from initial enquiry to the installation 10 out of 10, amazing company and very quick turnaround. Thank you so...
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Sarah O'Donnell
Via Trusted Trader
This is the second time we have used 1st Homes. This time we had a new composite front door and Bi-fold doors. Excellent company, value...
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Denis
Via Trusted Trader
Outstanding. A 1st class customer journey from start to finish. I would highly recommend this company for your project.
Mr Oza
Via Trusted Trader
- Colours
- Glass Options
- Energy Efficiency
- Security
- Downloads
Colours
Beautiful Colours & Finishes
Customise with our wide selection of colours and finishes. Choose from classic crisp whites, contemporary neutrals or striking standout colours. We even offer authentic woodgrain finishes that perfectly replicate traditional timber.
Looking for something specific? Our RAL colour options allow you to achieve exactly the look you want for your home.
Cream
White
Rosewood
Irish Oak
Golden Oak
Chartwell Green
Black
Grey
Glass Options
High-Performance Glazing Options
Customise with our range of premium glazing options. Choose from double or triple glazing, and ensure privacy with our range of obscured glass options.
Warwick
Tribal
Taffeta
Reeded
Pelerine
Minster
Oak
Florielle
Mayflower
Everglade
Digital
Contora
Charcoal Sticks
Cassini
Chantilly
Energy Efficiency
Industry-Leading Thermal Efficiency
Energy efficiency sits at the heart of our products and service, helping you create a more comfortable and sustainable home. Our products feature the latest thermal technology, including multi-chambered profiles, argon gas-filled glazing units, and warm edge spacers.
Both our double and triple glazing options achieve impressive U-values, helping you save on energy bills while keeping your home comfortable all year round.
Security
Secure & Weatherproof Casement Windows
Your home's security is our priority. Both our windows accredited and feature high-security Yale locks as standard, giving you complete peace of mind. Multi-point locking mechanisms, internal beading, and robust frames work together to create a secure barrier against intruders, while advanced weatherseals ensure excellent protection against the elements.
Despite this superior performance, our windows remain remarkably low maintenance, requiring just occasional cleaning to maintain their pristine appearance.
Downloads
Downloads & Technical Information
Want to discover more? Browse our product downloads section for detailed information about our windows.
How do energy-efficient casement windows save me money?
These windows reduce heat loss, meaning your heating system doesn’t have to work as hard, leading to lower energy bills.
Accreditations
Related products
Visit Our Showroom
Start your home improvement journey at our Marks Tey showroom, where you can explore our full range of products in person.
Conveniently located at Unit 3, Flyover Nurseries, Coggeshall Road (CO6 1LJ), our showroom features working displays and our experienced team is always ready to help.
Latest News
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Areas We Serve
We’re proud to serve homeowners throughout Essex and Suffolk with a comprehensive range of windows, doors and home extensions.
Our expert team brings quality installations to homes across the region, including Colchester, Chelmsford, Clacton-On-Sea, Sudbury, and Ipswich.
