Spread the cost of your home improvement project with our Buy Now, Pay Later option.
Get in touch today to learn more.
Find out more
Why Choose Our uPVC Casement Windows?
At Energy Efficient Homes, we bring over 100 years of experience in home improvements and renewable energy solutions. Our uPVC casement windows are crafted for homeowners who demand quality, security, and long-term savings., Our windows are not only stylish but also feature the latest energy-efficient technology, helping you reduce heating bills and improve comfort. Whether you’re in Essex or Suffolk, our local team is ready to deliver expert installation and outstanding customer service., Explore our transparent pricing and trusted warranties, including a 10-year insurance-backed guarantee that ensures peace of mind for years to come.
Get a Price Estimate
Features & Benefits
Designed with you in mind, our uPVC casement windows offer numerous benefits.
Energy Efficiency
Reliable thermal performance reduces your energy bills and keeps your home warm.
Customized to Your Home
Our uPVC casement windows can be tailored to match your home's style, whether traditional or modern., Choose from a variety of finishes and hardware to suit your decor. Our expert team will guide you through every step to ensure the perfect fit., Enjoy a seamless blend of functionality and design that improves your property value.Custom sizes available, A wide range of finishes and hardware options, Professional installation and aftercare
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...
Read more
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...
Read more
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...
Read more
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...
Read more
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.
Frequently Asked Questions about uPVC Casement Windows
Find answers to your common questions or contact us for more information.
Get Your Free QuoteAre uPVC casement windows secure?
Yes, our uPVC casement windows come with multi-point locking systems and durable frames to ensure maximum security for your home.
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
Discover the latest news, updates and expert advice from Energy Efficient Homes.
News
Orangeries Essex: Modern Orangery Designs for Essex Homes
Are you dreaming of expanding your living space with a touch of elegance and contemporary flair? Orangeries Essex have evolved dramatically from...
Read more
News
How Energy-Efficient Windows Can Lower Your Energy Bills
In today's climate of rising energy costs, homeowners across Essex and Suffolk are increasingly looking for practical ways to reduce energy bills...
Read more
News
Choosing the Right Conservatory Roof for All-Year Comfort
Is your conservatory too hot in summer and freezing in winter? You're not alone. Finding the best conservatory roof solution is a...
Read more
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.
