Aluminium Windows
- Slim, modern window frames
- Thermally efficient design
- Available in any RAL colour
Rated 4.87 / 5
805 Reviews
Rated 9.92 / 10
672 Reviews
Rated 4.9 / 5
357 Reviews
Rated 4.9 / 5
68 Reviews
Rated 4.87 / 5
805 Reviews
Rated 9.92 / 10
672 Reviews
Rated 4.9 / 5
357 Reviews
Rated 4.9 / 5
68 Reviews
Product Features
Energy Efficiency
uPVC windows trap heat to keep your home warmer, reducing heating costs.
Noise Reduction
Double glazing offers effective noise insulation from the outside.
Security
High-quality locks and toughened glass upgrade your home’s security.
Durability
New uPVC windows are resistant to wear, ensuring long-lasting performance.
Low Maintenance
uPVC frames require little upkeep, only needing a wipe with a damp cloth to look their best.
Style Options for Every Essex or London Home
Our uPVC windows are available in a variety of styles, including casement, bay, tilt & turn, and sliding sash. Each design combines each operation with impressive energy ratings, perfect for any property type. Whether you’re looking for a contemporary or traditional style, we have options to suit your needs.
Each window can be customised to fit your vision. Choose from a wide range of colours, or opt for woodgrain effects for a more heritage feel. Complement your design with your choice of hardware and finishes.
Key Features at a Glance
uPVC windows remain a favourite for homeowners who want reliable performance with low maintenance. Combining energy efficiency, security, and style, here are the standout features of uPVC windows at a glance:
- A-rated energy efficiency
- Increased security options
- Easy access to ventilation
- Wide range of modern designs
- Noise-reducing glazing
Energy Efficiency You Can Count On
All our uPVC windows are designed with energy performance in mind. Reduce heat loss, lower your energy bills, and stay comfortable all year round.
- Colours
- Hardware
- Downloads
Colours
Available in a wide range of modern and traditional colours, including stunning woodgrain effects.
Irish Oak
White
Anthracite Smooth
Cream Foil
Chartwell Green
Polar White
Golden Oak
Painswick
Anthracite Grey Woodgrain
Black Foil
Rosewood
Pebble Grey
Agate Grey
Natural Oak
Irish Oak
Mahogany
Golden Oak
Dark Red
Dark Green
Cream White
Brilliant Blue
Chartwell Green
Black Brown
Anthracite Grey
Rosewood
Slate Grey
White
Hardware
Choose from a variety of hardware styles and finishes to match your home.
Quartus Espag Handle
Sparta Handle
Virage Handle
Sparta Cockspur Handle
Monkey Tail Handle
Teardrop Handle
Downloads
Download brochures, care guides, and technical specifications.Compare Window Styles
Casement Windows
- Secure and energy-efficient designs
- Available in uPVC and aluminium
- Perfect for traditional homes and modern spaces
Flush Casement Windows
- Sash sits level with the frame for a clean, minimalist look
- Available in durable uPVC for strength and longevity
- Wide selection of stunning woodgrain effects and colours to choose from
Tilt and Turn Windows Essex
- Easy to clean
- Dual-opening mechanism
- Energy efficient
uPVC Window FAQs
Got a question about our range of uPVC windows? Here are some of the most common things people ask us when choosing their new windows.
uPVC stands for unplasticised polyvinyl chloride – a durable, low-maintenance window material.
Yes, uPVC windows offer excellent thermal insulation and help reduce heating bills.
Absolutely – we offer a wide selection of colours and woodgrain finishes.
With proper care, uPVC windows can last 20+ years without fading or warping.
We serve Essex, London, and the surrounding areas, covering places like Colchester and Chelmsford. As well as aluminium & uPVC windows, our expert team install a variety of doors, conservatories, and orangeries. Each of our products is available in a range of colours and glazing options, designed to improve the performance of your property.
Convenient Video Appointments Available
We offer video appointments for all our services, allowing you to get expert advice from the comfort of your home.
Book your video appointment todayRead Customer Reviews
See why homeowners trust Advanced Glazing Systems. Don’t just take it from us, discover real experiences from our happy customers!
We received a prompt and efficient service. We had excellent communication from the AGS team throughout, with reliable delivery and fitting of good quality windows.
Mary Magee
Via Trusted Trader
Great service from Start to finish. After looking around for a while I made the great decision and chose AGS. From the start Tyler was...
Read more
Sam Gleeson
Via Google
We received a prompt and efficient service. We had excellent communication from the AGS team throughout , with reliable delivery and fitting of good quality...
Read more
Customer in Greater London
Via Which?
Brilliant Company. Andy’s communication and response to any queries was excellent. Quality of work is great with affordable pricing. I can recommend them to anyone...
Read more
Raghu Kota
Via Trusted Trader
Advanced Glazing Systems Ltd have provided and outstanding service from start to finish. The door they've provided is great quality and the installation has been...
Read more
Verified Reviewer
Via Trusted Trader
AGS were very friendly and professional from the initial contact for a quote, the appointment for measuring the window and final fitting. Everyone I had...
Read more
K Louch
Via Checkatrade
We received a prompt and efficient service. We had excellent communication from the AGS team throughout, with reliable delivery and fitting of good quality windows.
Mary Magee
Via Trusted Trader
Great service from Start to finish.
After looking around for a while I made the great decision and chose AGS.
From the start Tyler was very professional and helpful on the phone, he sent me pictures by email of doors in the colours I was thinking about and also pictures of the fixtures and fittings so I could compare colours.
Tyler was very communicative throughout the whole process. On the day of installation the fitter was punctual and polite and clearly knew his stuff, door is working a dream. Especially happy with the making good and how he installed the trim, such a clean and tidy finish.
Sam Gleeson
Via Google
We received a prompt and efficient service. We had excellent communication from the AGS team throughout , with reliable delivery and fitting of good quality windows
Customer in Greater London
Via Which?
Brilliant Company. Andy’s communication and response to any queries was excellent. Quality of work is great with affordable pricing. I can recommend them to anyone considering fitting double glazing.
Raghu Kota
Via Trusted Trader
Advanced Glazing Systems Ltd have provided and outstanding service from start to finish. The door they’ve provided is great quality and the installation has been done to a high standard. Customer service has been top tier throughout and I wouldn’t hesitate to recommend them to others.
Verified Reviewer
Via Trusted Trader
AGS were very friendly and professional from the initial contact for a quote, the appointment for measuring the window and final fitting. Everyone I had dealings with were so helpful and I was kept informed throughout. I would 100% recommend AGS to anyone that needs work doing.
K Louch
Via Checkatrade
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