VS
Venetia Shepherd
8 April 2021
✓ Recommends usSuch a brilliant and professional company. So good to deal with and the windows are really special — they have transformed our seaside cottage. Thank you so much!
St Austell Bay Windows & Plastics is an established supplier and installer of windows, doors and glazing products for new build developments, self-build projects and high-end residential developments across Cornwall. With nearly twenty years of experience and our own in-house installation team, we offer developers, architects and project managers a reliable, quality-driven glazing partner from groundworks through to handover. We currently supply and install across active developments in Cornwall — including a six-property high-end development currently under way and two further developments completed earlier this year. Whether you're a small developer building a handful of premium homes or a project manager overseeing a larger scheme, we have the product range, trade pricing and local knowledge to support your project from specification through to completion. All our products are A-rated, Certass registered and backed by our 10-year insurance-backed guarantee — giving your buyers the quality and
Why Choose Us
Local & Reliable — Based in St Austell
We are based in St Austell and operate across the whole of Cornwall. Unlike national suppliers, we are accessible, flexible and able to respond quickly to the demands of live development projects. You deal with the same people from first enquiry to final plot handover.
10-Year Insurance-Backed Guarantee
Every window, door and conservatory we fit is backed by our 10-year insurance-backed guarantee — not just a piece of paper, but a fully insured guarantee you can rely on even if circumstances change.
Spread the cost of your new windows or doors with our flexible finance options — including no-deposit deals. Making home improvement accessible for every budget in St Austell and surrounding areas. Subject to status.
Our Own In-House Installation Team
Every installation on your development is carried out by our own employed, experienced fitting team — not sub-contractors. That means consistent quality, full accountability and a finish that reflects well on your development and your buyers.
In-House Fitters — No Sub-Contractors
Our installations are always carried out by our own trained, experienced team — never sub-contracted out. That means consistent quality, accountability and a finish you’ll be proud of.
All our double glazed windows achieve Window Energy Rating A as standard, with U-values as low as 1.2 W/m²K — keeping your home warmer and your heating bills lower all year round.
Covering St Austell & All Surrounding Towns
Honest advice, quality products and a finish you'll be proud of.
When you invest in new windows or doors, you want complete peace of mind - and that's exactly what we deliver. Every installation carried out by St Austell Bay Windows & Plastics is backed by a 10-year guarantee as standard.
That means your frames, glazing units, locks and workmanship are all covered long after our vans have left your driveway. Your installation is also registered with FENSA for building regulation compliance.
Every installation is carried out by our own in-house team of experienced local fitters - and we never sub-contract. That means consistent quality, full accountability and a clean, tidy finish every single time.
From your free home survey through to the final fit and FENSA sign-off, we manage the entire process ourselves. Most installations are completed within a day or two, with minimal disruption to your household.
Yes. We are based in St Austell and supply and install across the whole of Cornwall — from Truro and Falmouth to Newquay, Padstow, Bodmin, Liskeard and beyond. We work to agreed lead times and can phase installations to match your development programme wherever you are in Cornwall.
Yes. Every window and door installation we carry out is Certass registered and a Certass certificate is issued for each plot on completion. These are provided to you for your solicitors and new owners as part of our standard handover documentation.
Yes. Developers and project managers can open a dedicated trade account with St Austell Bay Plastics and access exclusive trade pricing across our full product range. Volume discounts are available on larger developments — contact our team to discuss a dedicated pricing package for your project.
Yes. Our team is experienced in working to architect specifications and planning conditions — including requirements for specific frame colours, heritage or flush casement window styles, conservation area conditions and energy performance targets. We will review your specification at enquiry stage and confirm which products are most appropriate for your development.
St. Austell Bay Business Park, Par Moor Rd, Saint Austell PL25 3RF
Open from 9am to 11pm
Call us @
01726 816906
Send us an email
staustellbayplastics@rocketmail.com