Energy efficient by design
Multi-chambered profiles deliver U-values that meet and exceed current building regulations.
Our uPVC windows combine thermal efficiency, robust security and low maintenance in one complete package. We hold stock and manufacture to your required size, so your project moves without delays. Every installation is coordinated end-to-end – from cavity closer preparation through to final fit.
Multi-chambered profiles deliver U-values that meet and exceed current building regulations.
Multi-point locking systems and robust frame construction protect your property as standard.
We hold stock and manufacture cavity closures and frames to fit any opening – standard or non-standard.
uPVC resists warping, rotting and fading, keeping your windows looking sharp year after year.
From classic white to on-trend anthracite grey, our uPVC windows are available in a wide range of solid colours, dual-colour options and realistic woodgrain finishes to complement any home.
Choose from double or triple glazing with low-E glass and warm-edge spacer bars for maximum thermal performance. All window systems include multi-point locking as standard, meeting PAS 24 security requirements and giving you genuine peace of mind on every installation.
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Download specification sheets, profile data and installation guides for our uPVC window range. Need something specific for your project? Get in touch and our team will point you in the right direction.
Allglass Anglia doesn’t just fit windows – we manage the full process. We hold cavity closure stock and manufacture them to the exact dimensions of your opening before a bricklayer installs them ahead of our window fit. That sequencing matters: it means the job is done right, first time.
For homeowners and builders across East Anglia, this joined-up approach removes the back-and-forth that typically slows a window installation down. One call to us sets the whole process in motion.
Standard-sized openings are no challenge – but we don’t stop there. We stock cavity closure materials and manufacture them in-house to accommodate any shape or size of opening, whether you’re working on a new build, an extension or a like-for-like replacement in a period property.
This flexibility makes Allglass Anglia the practical choice for builders, developers and homeowners who need a window supplier that can adapt to the job rather than the other way around.














Our accreditations are not box-ticking exercises – they are the evidence of a business that takes quality, safety and compliance seriously. Each certification reflects the rigorous standards we hold ourselves to on every project we undertake.
From FENSA registration to industry body memberships, our credentials give homeowners, developers and contractors the confidence to choose Allglass Anglia as their glazing partner of choice.
Here are the questions we're asked most often about our uPVC windows – from energy performance and colour choices to how the installation process actually works.
We supply casement, flush sash, sliding sash and bespoke uPVC windows across a range of profile options, all manufactured to the dimensions your project requires.
Yes. Our Eurocell-based window systems are A-rated as standard, with U-values that meet current building regulations and help reduce heat loss year-round.
We offer a full range including white, anthracite grey, Chartwell green, cream and woodgrain finishes. Dual-colour options are also available.
A cavity closure seals the gap between the window frame and the wall cavity. We supply and manufacture them to size, and a bricklayer fits them before we install the window – ensuring a proper, weathertight finish.
We handle both supply and fitting. Our team coordinates the full installation process, including cavity closure preparation, so the job runs smoothly from start to finish.
Tell us a little about your home and what you're looking for, and we'll come back to you with clear, competitive pricing – no jargon, no hard sell, just honest advice.