
Windows, doors & extensions across Essex · Brightlingsea showroom
SPECTRUM GLAZING × ORIGIN
Less frame. More of your world. Made for your home. Installed with care across Colchester and Essex.
Create your perfect view ↗BRITISH MADE / BESPOKE TO YOUR HOME / UP TO 20-YEAR MANUFACTURER GUARANTEE*
THE ORIGIN SLIDING COLLECTION
Start with the frame that feels right: OS29+, OS44 or OS77. Then choose your colour, handles and opening arrangement. Our Brightlingsea team can help you plan replacement sliding patio doors or glazing for a new extension in Colchester, Clacton, Chelmsford, Maldon and across Essex.

29MM MEETING STILE
A beautifully minimal frame for a bigger connection to your garden.
Discover the OS29+ ↗
44MM MEETING STILE
Clean proportions that feel at home in almost any setting.
Discover the OS44 ↗
77MM MEETING STILE
A more substantial profile with an effortless outlook.
Discover the OS77 ↗*Guarantee terms and component exclusions apply. Final specification, sizes and suitability are confirmed at survey. Manufacturer photographs are inspiration images, not presented as Spectrum installations.
YOUR HOME. YOUR WAY.
Explore the proportions, panel arrangements, colours and hardware, then request a personalised supply-and-installation quote.
Choose your preferences below or tell us what you have in mind in the quote form. The interactive designer loads here.
THE FINISHING TOUCH
OS29+ offers Signature Knurled handles in six finishes, a 260mm all-in-one handle and Patio D handles. OS44 and OS77 offer a 500mm bar, a 300mm all-in-one handle and Patio D handles. The designer filters these choices for your selected model.
Explore colours & handlesSatin Brass

Brushed Black
Satin Stainless
ROOM TO BE INSPIRED
Explore Origin sliding doors in real homes. Select an image to see it in full.
Photography courtesy of Origin.
SEE THE DIFFERENCE
Watch the official Origin sliding-door film here, with no need to leave our website.
View fullscreen ⤢A LITTLE HELP CHOOSING
Compare the meeting-stile widths: OS29+ is 29mm, OS44 is 44mm and OS77 is 77mm. Your preferred view, handle design, opening arrangement and survey requirements will guide the choice.
Your fitted price depends on the opening size, model, number of panels, glazing, finish, access and any building work. Send your design and approximate dimensions for a tailored quote; we will explain what is included.
Ask us about dual-colour finishes and the wider RAL range. Screen swatches are indicative, so we recommend checking a physical sample before confirming your colour.
Yes, we can assess an existing opening for replacement sliding patio doors. We check the structure, thresholds, access, glass specification and making-good requirements before confirming the work.
We are based in Brightlingsea and work across Essex, including Colchester, Clacton-on-Sea, Chelmsford and Maldon. Tell us your postcode so we can confirm installation arrangements.
Tell us the model you have or the look you want. We can discuss current options and the appropriate route for support with an existing installation.
LET’S TALK ABOUT YOUR HOME
Your chosen design is included with your enquiry. Tell us about the installation and our team will help with the next step.
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Visit our Brightlingsea showroom for friendly advice on your Essex home improvement project. Ask about current finance options and arrange a visit before travelling to see a particular product.
Talk to Spectrum GlazingCompare styles, colours and finishing ideas in our inspiration gallery, then explore the ranges that suit your home.
Browse Sliding patio doors inspiration images →