Premium Aluminium Flush Casement Windows for Essex & Suffolk Homes
At Energy Efficient Homes, we specialize in high-quality aluminium flush casement windows that combine contemporary design with exceptional performance. Whether you’re upgrading your existing windows or building a new home, our windows deliver superior insulation, security, and style., Our experienced team provides personalized service—from consultation and measurement to installation and aftercare—ensuring your total satisfaction.
Get a Price Estimate
Why Choose Our Aluminium Windows?
Experience the benefits of our premium aluminium flush casement windows, designed with durability and aesthetics in mind.
improved Security
Robust locking systems for peace of mind.
Customised to Your Home
Our aluminium flush casement windows are available in a range of colours and finishes to perfectly match your home's style., With precise manufacturing and installation, we ensure a seamless fit that elevates your property's aesthetic appeal.Range of colours and finishes, Low maintenance and long-lasting, Seamless integration with existing design
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
Find answers to common questions about aluminium flush casement windows.
Get Your Free QuoteAre aluminium windows suitable for my home?
Yes, aluminium windows are ideal for both modern and traditional homes, providing durability, excellent insulation, and a sleek appearance.
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
Why Aluminium Bi-Fold Doors Are Perfect for Modern Colchester Homes
Aluminium bi-fold doors Colchester homeowners are transforming living spaces across Essex. These contemporary doors have rapidly become the most popular type of...
Read more
News
Top 5 Benefits of Installing Bi-Fold Doors in Suffolk Homes
Transforming your living space is often about making smart architectural choices that blend functionality with aesthetic appeal. For Suffolk homeowners looking to...
Read more
News
Top Window and Door Design Trends for Modern Homes in Suffolk
In recent years, window and door trends in Suffolk have evolved dramatically, reflecting both global design innovations and the unique architectural heritage...
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.
