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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!
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 & 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.
Practical, secure and low maintenance — our uPVC residential entrance doors are the ideal replacement for tired front and back doors across St Austell and all of Cornwall. Available in a wide range of styles, colours and glazing options with multi-point locking as standard.
The most popular front door choice across Cornwall — combining the classic look of timber with the strength, security and low maintenance of modern composite materials. Available in 20+ colours with a huge range of styles and glazing options.
A sleek space-saving alternative to bi-folds — our sliding patio doors glide effortlessly to open up your home without using additional floor space. Ideal for coastal properties and contemporary homes across St Austell and all of Cornwall.
Add elegance to your home with a classic set of French doors — opening outward from the centre onto your garden or patio. Available in uPVC and aluminium to suit period and contemporary homes across St Austell and all of Cornwall.
Transform your living space with aluminium bi-folding doors — folding back almost completely to create a seamless connection between your home and garden. Available in 2 to 6+ panels in any RAL colour — one of the most popular upgrades across Cornwall.
Slim-profile and incredibly durable, our aluminium doors deliver exceptional thermal performance in any RAL colour. Naturally salt-air resistant — the ideal choice for coastal and contemporary properties across Cornwall.
Covering St Austell & All Surrounding Towns
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!
Karen Penrose
31 July 2020
✓ Recommends usAbsolutely thrilled with our new windows, bi-folds and composite front door. Has completely transformed our home. Lovely personal service with high quality products and installation. Wouldn't hesitate to recommend Paul, Christa, Simon and the team.
Laura Swailes
Recommends us
✓ Recommends usGreat service and communication when replacing our old back door. Very professional, friendly and high standard of workmanship. Will definitely be using again for front door replacement. Highly recommend.
Stephen Rickard
Recommends us
✓ Recommends usSt Austell Bay Plastics have supplied and fitted windows and doors for 2 properties — 28 units. Their work and service has been first class.
Victoria Martin
Recommends us
✓ Recommends usI had french doors installed and am so happy with the service from start to finish. Excellent quality, service and finish. Very professional and quality workmanship — highly recommended!
Jo Hello
Recommends us
✓ Recommends usSt Austell Bay Plastics replaced 6 of my wooden windows with uPVC double glazing. They did a fantastic job — clean, tidy and took great care. The windows have transformed the house inside and out. Highly recommend them.
Christina Brooks
Recommends us
✓ Recommends usWe had a new door and two conservatory panels refitted. I cannot praise Mike and Connor the fitting team enough — calm, hard working and treating our home as if it was theirs. The results were outstanding. Thank you.
Sarah Lee
Recommends us
✓ Recommends usAbsolutely brilliant. Value for money, excellent, fast, efficient, tidy service and quality product. Courteous, knowledgeable, professional staff from consultation to installation. Used them twice for windows and sunroom — would recommend to anyone.
Wayne Sewell
Recommends us
✓ Recommends usAfter shopping around the big window companies, I came across St Austell Plastics. Friendly greeting, no pressure sales, fantastic price and the fitter was great. The finished item is awesome — no obligation and I will use them again.
Chris Maggs
Recommends us
✓ Recommends usFrom start to the end of the installation the work was first class. Thank you very much St Austell Bay Plastics.
Alan Orme
2 weeks ago
No pressure sales, good price, great job & I would use them again.
Ste Pye
2 months ago
Team arrived when they said they would and fitted a new front door which looks great. Hassle free from design to installation — will be using again for future planned works.
Lynda Baldelli
4 months ago
Paul, Christa and their team were fantastic from the start. The fitters were meticulous, tidy and have done a wonderful job of everything. We couldn't be happier and thoroughly recommend.
Linda Kershaw
10 months ago
Absolutely fantastic job fitting our windows. Conner did a really lovely job — very clean, respectful and professional. A total credit to the company. Well done. Thank you.
Jane Hunkin
1 year ago
An amazing service from start to finish. Our conservatory roof was replaced expertly by two very hard working, thoughtful and considerate team members. Excellent service, brilliant job well done.
Alison Avery
11 months ago
Nice pleasant guys who worked tidy and well. The price was fair, job looks good. We had a big sash window, double patio door and large square window fitted with no mess. Highly recommended.
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.