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Why Choose Us?

Fast service


Our double glazing installations are undertaken as efficiently as possible, ensuring your valuable time is not taken up waiting for products and installation dates.

Reliable service


We are a truly trustworthy double glazing installer in Colchester, offering timely installations that meet the highest standards. You can count on our honesty and integrity throughout your journey with us.



We offer a vast range of double glazing options to ensure our customers can find the right windows, doors and conservatories to make the most of their home and reflect their individuality at an affordable price.

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Our Products

Incredible Double Glazing

At Discount Windows, we pride ourselves on the quality of our double glazing installations in Colchester and surrounding areas. Of course, this means working with industry leading products. Our collection comes from the Deceuninck’s Traditional 2500 range of flush sash windows, and replacement windows which ensures the highest standards are met in both aesthetics and performance.

Double Glazing Colchester

Double Glazing Tailored to You

One of the key elements of choosing new double glazing for your Colchester home is that it needs to look perfect, complementing your property’s architecture.

With the Deceuninck 2500 range, there are a wealth of options to find the right match for your home, and every option can be tailored to meet your requirements. Choose from a range of finishes, as well as stylish hardware and accessories and even obscured glazing for that extra element of privacy.

The options available to you are superb, ensuring you can find the best double glazing for your home, enhancing its character inside and out.

Conservatories Colchester



Discount Windows & Conservatories Checkatrade


Discount Windows & Conservatories Checkatrade

Choosing the right double glazing installer to meet your needs is so easy with Checkatrade. As members of this highly regarded website, you can count on the quality of our work and our professionalism. We have been checked and monitored by experts to ensure we meet the highest standards, and our customers have left countless positive reviews for you to read.

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High Performance Double Glazing

Our Deceuninck double glazing and uPVC windows are truly exceptional, offering superior thermal performance and security for your Colchester home. You will benefit from the latest technology and innovations to ensure your new windows and doors achieve excellence.

Our products are able to offer Windows Energy Ratings of A+, meaning they are far in advance of the expectations of Building Regulations. Such impressive performance means that your home will be warmer and more comfortable throughout the winter, and you will use less heating so can save money on your energy costs too.

For security, the Deceuninck profile is reinforced to create a strong and robust structure, with our patio doors helping to secure your property. This is then coupled with advanced locking mechanisms to ensure maximum protection. You and your family will be kept safe and secure with our windows and doors.

We also offer a variety of glazing options, including the very latest Glass Fibre Linktrusion to help you make the most of your Colchester home and your double glazing.


double glazing prices Colchester

So Many Double Glazing Options in Colchester

Our collection of windows and doors is extensive, allowing you the opportunity to find the ideal match for your home. Our double glazing at Discount Windows offers a perfect combination of style and function, giving you the right look and accessibility you need.

From our bi-fold doors which will open up your home, to our casement windows which provide minimalist, timeless design, or you you can choose from a variety of traditional and contemporary options such as our sliding sash windows.

Every installation is completely tailored to you too, so pick out the perfect colour finish, accessories and hardware to meet your needs.

Double Glazed Windows Colchester

Double Glazing Prices in Colchester

There are so many products available in our collection, you are sure to find double glazing prices in Colchester to suit your home improvements budget.

Getting a quote is easy too, as we have online design tools where you can enter your personal choices and get a tailored guide price in no time at all.

You can also get in touch with our team or book an appointment and we will be more than happy to help with your double glazing in Colchester.

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