uPVC and flush windows
Compare casement, tilt-and-turn and flush styles, including VEKA Halo and OMNIA. Choose opening arrangements, colours and handles around each room.
Compare uPVC window ranges →Windows, doors & extensions across Essex · Brightlingsea showroom
Family-run · Over 25 years’ experience
Replace draughty, ageing or difficult-to-open windows with a design that suits your Colchester home. We supply and fit uPVC, aluminium, flush and sliding sash windows, with advice on frame proportions, opening styles, glass and finishes. Compare our real local installations and bring photographs or approximate sizes to start your quotation.
Speak to our team: 01206 258056
uPVC, aluminium, flush and sash windows
Compare casement, tilt-and-turn and flush styles, including VEKA Halo and OMNIA. Choose opening arrangements, colours and handles around each room.
Compare uPVC window ranges →Explore slimmer sightlines and contemporary profiles from our aluminium range. Consider frame appearance, opening sizes and glazing as a complete specification.
Explore aluminium windows →Explore Roseview sash windows or timber-look flush designs for traditional proportions and period-inspired detailing. We can help compare the appearance of each.
Compare sliding sash windows →

These photographs show Spectrum’s sash window work in nearby Brightlingsea. If you are comparing sash windows with casement or flush designs for a Colchester home, we can talk through the opening style, proportions and finishes before you decide.
Get a free quote → Compare sliding sash window optionsThink through the details
Tell us about draughts, outside noise, privacy, difficult opening handles or rooms that overheat. We can then discuss suitable glazing, opening sections and ventilation. Double or triple glazing should be chosen with the frame system and the needs of the room in mind.
We serve homes in Lexden, Stanway, Highwoods and across Colchester, as well as nearby Wivenhoe, Rowhedge and West Bergholt. If your home has heritage restrictions, tell us at the start so those can be checked before agreeing replacement details.
A meaningful price depends on the number and size of windows, opening style, frame system, colour, glass, access and installation work. Send approximate sizes and photographs to start the discussion; our survey confirms the measurements. We explain the agreed removal, finishing and certification in your quotation.
Explore window colours and frame options →
A Spectrum installation in Rowhedge
Our Stanway Green project replaced brown timber windows with anthracite-grey VEKA Halo flush windows and a matching patio door. The photographs show how a coordinated frame colour changes the frontage. You can also explore a separate window installation in nearby Rowhedge.
See the Stanway Green flush-window installation → See project: Replacement Windows in Rowhedge, Colchester →Read customer reviews of Spectrum’s service and installations before planning your own project.
Find us at 18 High Street, Brightlingsea, CO7 0AE. Bring photographs and ideas; contact us first to confirm the particular displays or samples you want to see.
Plan your visit →Ask about the finance options available for your project. Finance is subject to status, approval and terms. Your quotation confirms the applicable deposit and repayment details.
View finance options →Spectrum Glazing is CERTASS registered and a Federation of Master Builders member. We can explain the certification and guarantees relevant to your installation.
Meet Spectrum Glazing →Before you decide
Yes. We can compare suitable flush, timber-look and sliding sash ranges, alongside conventional casement windows, to suit the appearance of your home.
No. Performance depends on the complete window, including frame, glass and configuration. We confirm the specification and relevant performance information for the windows in your quotation.
Yes. Tell us which rooms you want to improve. We can discuss a smaller project and how the new windows will coordinate with those you retain.
The number of windows, access and the work around each opening affect the programme. We explain the expected installation arrangements once the survey and scope are confirmed.
Let’s talk about your home
Tell us what you have in mind and your installation postcode. We work across Colchester, including Lexden, Stanway and Highwoods, and surrounding communities such as Wivenhoe and Rowhedge.
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Explore windows, entrance doors, bifolds, sliding doors, conservatories, roofs and extensions. Choose your style, colour and approximate sizes, then send your designs to our Brightlingsea team for a free supply-and-fit quotation.