Double glazing installers Clacton-on-Sea

More About Us

Based in Colchester, Spectrum Glazing is comprised of reputable installers and conservatory specialists. We service a wide area, including Braintree, Brightlingsea, Maldon, Clacton on Sea, Chelmsford and Essex. However, we can and do work further afield. Get in touch with our team to find out if we service your area today.

Our Philosophy

At Spectrum, we believe in total transparency. That’s why we make sure that you are at the centre of every decision. We don’t believe in hard sells. Instead, we respect your decision and your voice, taking care to listen to what you need.

What you see is what you get at Spectrum. We make sure that you understand our pricing and our process and that you always know what you’re paying for. That way, there are no surprises.

Furthermore, we make sure that we treat your home and your time with consideration. We promise to make clear and achievable timelines and that if there are any delays, we communicate with you immediately.

Your home is your palace, and that’s exactly how we’ll treat it. Time and time again, our customers tell us just how much they appreciate our courteous work ethic and well-trained professional installation teams. Courtesy is the very least that we can offer when we help you with your next installation.

Double Glazing Installers In Your Area

Get in touch with our Colchester team to talk more about your installation. As a notable double glazing installer in Colchester and Clacton-on-Sea, we’ll address your queries. Or find a quote for your next project today!

For Aluminium & uPVC Windows

Double Glazing in Colchester, Clacton-on-Sea & Brightlingsea

We offer a wide range of products and services. As a window fitter, we have a selection of uPVC and aluminium windows for you to choose from. Spectrum uses market leading brands like Liniar, Deceuninck, Smart, and Origin. When you choose Spectrum, you’re choosing high quality products and competitive prices, guaranteed.

Plus, we offer a ten year warranty on all of our double glazing products, with a 12 month maintenance check, for the ultimate customer service. Quality Assured National Warranties back our warranty. That way, you know that your installation is built to last.

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Conservatories, Orangeries & More

Speak With Our Team

If you are looking for larger projects, just let our Colchester team know. We can build and install conservatories, orangeries, extensions, and garden rooms. Orangeries and garden rooms are becoming increasingly popular, as people look for home offices and ways to improve their home value.

We can help advise your designs and discuss your options for extensions within permitted development. Speak with our courteous team if you need a replacement conservatory roof.

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uPVC, Aluminium & Composite Doors

Replacement Door Installation in Colchester

We also install residential and patio doors in uPVC, aluminium and composite materials. We believe that with Deceuninck and Liniar uPVC doors, we can match your existing colour palette for your home with our continuum of RAL colours.

These doors are the perfect addition to your next conservatory, orangery, or extension. We can ensure that you get attractive roofs optimal for wide span bifold doors. Speak with our team about the options for your home.

Window Fitters Chelmsford
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Double Glazing Prices Colchester & Essex

Speak with our team about our pricing. We’ll be able to walk you through the process and offer you transparent prices. Contact us today.

"The fitting guys were a great laugh, enjoying several cups of tea! Everything was left really tidy and cleaned up well and I got to enjoy my conservatory for the end of this “supposed British summer”. We are now looking at getting our windows replaced with them as well, thoroughly recommend."

Oscar Holland

Maldon | 4th December 2021

"The sales, design and customer support staff have always been friendly and knowledgeable whenever we had a query. We also consider this product to be great value for money and it looks great too."

Una Anderson

Walton-on-the-Naze | 7th April 2020

"Fantastic job from the guys that fitted our new sash windows, we originally chose white but changed our minds after seeing an oak effect one in their office when we went to drop off a cheque. So glad we did, we’ve had so many compliments from people."

Bradley Lewis

Chelmsford | 30th November 2021

"We have just had a conservatory built. Would highly recommend. Good quality work. Very clean and tidy. Good price"

Joan Hodges

Danbury | July 17th 2020

"Couldn’t be happier with my new conservatory, having to now work from home, we needed the extra office space. We didn’t have a huge budget but we were able to get what we needed, perfect escape from the rest of the house!"

Ethan Brown

Brightlingsea | 11th December 2021

"Decent company. Easy to work with and friendly. "

David Rich

Colchester | 22nd January 2022

"I have recently had a conservatory built & I couldn't be more happier with the result. Build finished April 2022. The workmen were great, on time every day & a good laugh. The quality of workmanship was excellent. Richard & Kelly checked on the build almost daily, to see if everything was alright. If you had any questions or concerns, they were more than happy to assist. They paid attention to every little detail. Even when they were on holiday. Thank you to James, Ross, Gareth, Ryan, Rob, Richard & Kelly, for building a beautiful place for me to relax."

Mary Healy

Clacton-on-Sea | 30th May 2022

"Spectrum glazing where brilliant when choosing and building our new conservatory. They designed exactly what we wanted with Ultraroof, which is a brilliant idea and makes the room useable all year round. All members of staff are helpful and always available for assistance. The workmen used are professional and hardworking (even coming in awful weather). Overall, I'm very happy with the finished outcome of our new conservatory and very pleased we chose Spectrum Glazing over the other big named companies. If I had any more windows or doors needing doing I'd be using these guys will recommend to people as well. Thanks again guys!"

Emma Eade

Colchester | 7th November 2022

"Absolutely over the moon with our conservatory! Would 100% recommend this company, they listened to what we wanted and the result is better than what we imagined! The whole building team were also amazing. Thank you so much Spectrum Glazing! ⭐️⭐️⭐️⭐️⭐️"

Natalie King

Colchester | 10th November 2022

"Really impressed with the service (and price) of the windows we got (five windows front and back). We've had them in for over a year and not had any problems - in fact the only problem we had was on the day of install they couldn't get the biggest of the frames up our tight staircaise - but this was solved easily with them sorting a scaffolding thing to lift it up from the outside. Very happy with everything and I would definitely use them again."

Matt Court

Brightlingsea | 14th November 2022

"Couldn't be happier with both the end result and the service. We chose a local family run company for good reason, we have been burnt by the big guys before. From the initial planning by Rob who knows his stuff, planning and working with us to get exactly what we wanted, through surveys, and almost weekly site visits from Richard and kelly checking the standards and progress. I can't thank the fitters, Gareth & Ross enough, you guys worked through the november storms never wanting to slow the job down. Absolutely 5* service throughout. Were they the cheapest? No, but not the dearest either! you can't go cheap on a project like this, extending your home. They worked with us to complete by Christmas and again, Spectrum delivered...... literally. You get what you pay for and with spectrum we got 1st class."

Paul Woodwards

Holland on Sea | 22nd December

Our Happy Customers

Take a look at some of our testimonials from previous customers to see how we have helped transform homes across the area.


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