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 and St Austell Bay Plastics
Your front door is the first thing people notice about your home — and the last line of defence against the elements and intruders. Whether you're looking to replace a tired front door, open up your living space with bi-fold doors, or upgrade your back door with something more secure, St Austell Bay Windows & Plastics has everything you need. We supply and install the complete range — composite doors, uPVC entrance doors, aluminium bi-fold doors, French doors, sliding patio doors and aluminium doors — all fitted by our own in-house team across St Austell and the surrounding area.
If you're searching for a new front door in St Austell, a set of bi-folding doors near you, or a reliable local installer for composite doors, French doors or sliding patio doors — you've found the right team. St Austell Bay Windows and St Austell Bay Plastics is a family-run business based in St Austell, supplying and fitting the complete range of doors to homeowners across the whole of Cornwall — including Truro, Bodmin, Newquay, Falmouth, Fowey, Lostwithiel, Liskeard, Padstow and St Mawes. Every door we install is fitted by our own experienced local team — no sub-contractors, no call centres, no hard sell. Just honest advice, quality products and a finish you'll be proud of, backed by our 10-year insurance-backed guarantee and Certass registration.
We offer a wide range including uPVC front and back doors, composite doors, bi-folding doors, French doors, sliding patio doors, and aluminium doors.
Our composite doors are built to the highest security standards, featuring multi-point locking systems and GRP construction to provide excellent protection for your home.
Absolutely — we offer a wide range of colours and finishes across our door range so you can find the perfect match for your home's style.
A standard door installation is typically completed within half a day, with minimal disruption to your home.
Finance Available
Finance Your New Doors
Composite front doors, bi-folds, patio doors and more — spread the cost with hassle-free monthly payment plans.
- Composite, bi-fold & patio doors
- Secured by Design standards
- Professional in-house installation
- No pressure, transparent pricing
Why Choose Us
Based in St Austell
We're Your Local Specialists. We're not a national chain. We live and work in the same area as our customers. When you choose St Austell Bay Windows and St Austell Bay Plastics , you're supporting a local family business that genuinely cares about its reputation.
Up to 10-Year Insurance-Backed Guarantee
Every window, door and conservatory we fit is backed by up to 10-year insurance-backed guarantee — not just a piece of paper, but a fully insured guarantee you can rely on even if circumstances change.
Flexible Finance Available
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.
Certass Registered
Every installation we carry out is Certass registered, giving you legal compliance, building regulation sign-off and full documentation. All our windows and doors meet Secured by Design standards for maximum home security.
In-House Fitters
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.
A-Rated Energy Efficient Products
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.
Step 1 - Free Home Survey
Step 2 - Your Personal Quote
Step 3 - Final Survey
Step 4 - Products Are Manufactured
Step 5 - Professional Installation
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 and St Austell Bay Plastics is backed by an insurance-backed guarantee of up to 10 years 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 CERTASS 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 CERTASS sign-off, we manage the entire process ourselves. Most installations are completed within a day or two, with minimal disruption to your household.
