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Casement Windows for Colchester homes

Casement windows are Colchester’s most popular style of double glazing. Defined as a window frame that opens outwards, these modern, versatile systems come with more configuration options than any other style. As a result, they can be tailored to suit a wider variety of functions and styles, while also having customisation options for every style of home here in Essex.

Flush fitting windows for homes in Colchester

Flush casement windows are one of the newest renovations available here in Colchester. As their name would suggest, the profile of these windows is completely flat, rather than protruding like a sculptured or chamfered would. In doing this, flush casement windows deliver similar aesthetics to timber windows and act as a cost effective alternative to real wood frames.

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Aluminium windows for your Colchester home

Our aluminium windows have a sleek and slimline profile so you can maximise your views of the outside world, without compromising on thermal efficiency or performance. We ensure that all of our aluminium windows are built to last, so that they are durable, even after extensive and consistent exposure to the British weather.


Thermal efficient windows

Our uPVC and aluminium windows have been manufactured to ensure excellent levels of thermal efficiency of your home. This means they help to keep the warm air inside your home and the cold air out..


Reduced noise pollution

Installing our double glazed uPVC or aluminium windows help to reduce the amount of noise in your home. They act as a barrier between you and the outside world, helping you enjoy the peace and quiet..


High Quality Window Products

Our market leading suppliers Liniar for upvc windows or SMART for aluminium windows allows us to install windows that are of a higher quality. Their components deliver the complete performance and are the nation’s preferred choice.


Low maintenance windows

By using a uPVC or aluminium framework, our windows require very little upkeep to maximise their performance. Occasional attention to the moving components and lubrication is all that’s required.

Double Glazing Services

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There are many different styles of conservatory for you to choose from. These include, but are by no means limited to: the classic ‘lean to’ conservatory with a slope straight back to your house, the Victorian-style conservatory which adds undeniable elegance and beauty, and the modern conservatory for those with a more functional purpose in mind

uPVC Windows

Installing new or replacement windows can make a huge difference to your home. At Spectrum Glazing, we always ensure that new windows are perfectly fitted, with no heat escaping or cold sneaking in – this could result in big savings on your monthly energy bills.


Our traditional orangery designs will give your home an added touch of class, without making any compromises on security. At Spectrum Glazing, we design your orangery with consideration for the average wind and snow loads in your area, ensuring that the final product is ideally suited to your situation. Ultraframe orangery designs, in particular, give the solidity and infrastructure of an extension, as well as the additional light of a traditional conservatory.

Aluminium Bi-Foliding Doors

One of the most innovative and practical entrance door styles on the market, aluminium bifolds installed by Spectrum Glazing are the full package. Consisting of anywhere between 3 and 7 panels, bifold doors spoil homes with light thanks to an emphasis on crystal clear glazing that blurs together inside and outside living spaces whether open or closed. 

Home Extensions

As part of our extension installation services, we at Spectrum Glazing we fit high performance house extensions in homes across Brightlingsea, Clacton-on-Sea, Witham, Chelmsford and Essex. Contact us if you’d like to get a house extension price

Sliding Patio Doors

Available in either upvc or aluminium our inline sliding patio doors are highly engineered making installation simple and guaranteeing trouble free through life performance.

Roof Lanterns & Skylights

An inherently sleek yet stylish design, lantern roofs and flat skylights are a subtle addition that has the potential to revitalise any darkened areas of the home. They can comfortable sit atop any location that sports a flat roof, improving the aesthetics and thermal retention of properties almost instantly.

Replacement Roofs

Less hassle than constructing an entirely new conservatory, we at Spectrum Glazing give Colchester homeowners the opportunity to revitalise dilapidated extensions with a suite of high-performance warm roof replacements. More stylish and thermally efficient than conventional polycarbonate roofs, tiled warm roofs are a quick but long-lasting fix.

Flush Casement Windows

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French Doors

French or Double doors can be a very dramatic addition to your home. Simply, throw open your doors to let the outside, inside. Making your living space airy and appear so much larger. Importantly, although a greater opening area is achieved, security is still assured. 

Window Styles

ultra 380 tiled conservatory with aluminium and bi folding doors suffolk ipswich

Top 6 things to consider for your solid conservatory roof installation

So, you've seen the solid conservatory roof ads on billboards around town, in your local paper, and on vans from local installers in and around Colchester, but how can you tell if the best choice for your home is a solid roof conservatory? That's why we compiled our...
Ambience Tinted Conservatory Roof Glass

Ambience Conservatory Roof Glass

Choosing the right high performance roof glass for any conservatory installation is the most important element to ensuring that a conservatory can be used all year round. There are many things to consider including location, temperature control, maintenance,...
SMARTGLASS Conservatory Roof Glass Replacement

SMART Solar Controlled Self Cleaning Glass

The standard SMARTGLASS® range from Spectrum remains one of the most popular conservatory roof glass products and has been continually developed, enhanced and upgraded over the last decade. We have many satisfied consumers from all over Essex & Suffolk. Because it...
livinroom lean to smart glass conservatory

Lean To Conservatory

The Lean Conservatory is the simplest conservatory style, with smooth lines giving it a contemporary look, making it a popular conservatory for modern buildings. This conservatory style is ideal if you prefer the simple, understated lines of a Mediterranean sunroom....
livinroom conservatory orangery essex

LivinRoom Conservatories

The LivinRoom pelmet was the first ever traditional conservatory enhancement brand to be launched by Ultraframe in 2012. It was designed to give traditional conservatories a' room-like feel' with a plaster finish and extra insulation around the eaves where heat loss...

Latest from our blog

Top 6 things to consider for your solid conservatory roof installation

Top 6 things to consider for your solid conservatory roof installation

So, you've seen the solid conservatory roof ads on billboards around town, in your local paper, and on vans from local installers in and around Colchester, but how can you tell if the best choice for your home is a solid roof conservatory? That's why we compiled our...

Aluminium Bi Folding Doors

Aluminium Bi Folding Doors

Our impressive selection of Bi-Fold Doors in Aluminum can help create a seamless link between your home and garden. Aluminum is a reliable material which means they can sell a slimline version because it takes less aluminium to retain structural strength compared to...

UPVC Sliding Sash Windows

UPVC Sliding Sash Windows

Whether you live in an older property or a more modern home, ECOSlide PVC-U sliding sash windows are a cost-effective solution for replacing like for like replacement or as an alternative to other styles. Vertical sliders are a traditional style of window. Commonly...

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About us

Spectum Glazing are conservatory and double glazing specialists. Based in Brightlingsea, we fit modern glazing solutions, including windows and doors, across throughout the Colchester area. Contact us for a free, no-obligation price or use our conservatory, door and window online quoting engines.

What we do

Staff at Spectrum Glazing have over twenty years experience in the supply, manufacture and installation; of windows, doors and conservatories. We will ensure that we use our double glazing expertise to ensure that your home improvement project is firstly priced competitively and then installed with the minimum of fuss. Contact us today for a free on obligation and pressure free quotation.

Speccturm are not into flash sales or BOGOF offers and we’ll never ask you to sign up today. We’re the company committed to delivering quality windows, doors and conservatories at everyday affordable prices with no double glazing sales gimmicks or pressure sales.

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Tilt & Turn Windows

Tilt and turn windows are one of the most modern systems we fit here in Colchester. They operate with a unique profile that allows two different methods of opening. Often a larger, single panelled frame, they can firstly open wide from either side of the framework like a traditional window would. The frame can also tilt inwards within the sash, something which is unique to this style of window.

Sliding Sash Windows

Our sash windows are perfect for traditional properties here in Colchester. Designed to authentically replicate classic Victorian sliding profiles, these systems make for a fantastic renovation option for those living in an older property. A wide range of traditional hardware and woodgrain colour foils allow these uPVC profiles to be almost indistinguishable when compared with real timber.

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Bi-Fold Windows

Choose Spectrums aluminium Ultrasky conservatory if you want a system that combines modern styling with natural light to create a beautiful warm and glazed extension. Strength is the secret behind Ultrasky’s success.

A stronger, thermally efficient ridge means fewer bars are needed drawing more light into the room. The Ultrasky roof extends to the eaves beam, rather than a flat roof, and uses the internal pelmet and external cornice to create a beautiful orangery roof style.

Our lantern conservatory roof is compatible with our structural goal post and works with large spans of glass or bi-folding aluminium doors – resulting in uninterrupted views and a stunning conservatory design.

Energy efficient, weatherproof and secure

Our high-performance uPVC windows can improve your home’s energy efficiency, reduce problems such as draughts and condensation, and provide complete weatherproofing against the cold and rain.

Windows are manufactured with energy efficient double-glazed units as standard, allowing them to achieve an ‘A’ Window Energy Rating. To further improve thermal efficiency, we also offer a triple glazed option.

Aside from being energy efficient, our windows are also incredibly secure, featuring high security locking as standard to keep any would-be intruders at bay.

Bring out the personality in your home with colour

Add a splash of colour to your home and let your personality shine through with our range of uPVC window colours and finishes.

The windows are available in an array of colours, ranging from classic shades such as White and Cream through to woodgrain foils which mimic the natural appearance of wood for a low-maintenance alternative to timber.

We can also offer woodgrain on white colour options, creating a different look inside and outside of your home and giving you increased style choice when choosing new windows.

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Contact us

Call or send us a message, and let’s start working on great things together.