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St Austell Bay Windows and St Austell Bay Plastics

Trade & DIY Supply — Windows, Doors & Glazing Products

Whether you’re a builder, contractor or a skilled self-installer — St Austell Bay Plastics supplies trade-quality uPVC, composite and aluminium glazing products direct from our St Austell base. No middlemen. Competitive pricing. Fast turnaround.

01726 816906

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    Trade Professionals

    Builders, contractors, developers and glazing sub-contractors who need reliable supply of quality products on time and at the right price.

    • Exclusive trade pricing
    • Dedicated account manager
    • Fast turnaround and lead times
    • Bulk order discounts available
    • Full product range — uPVC, composite, aluminium

    DIY Installers

    Skilled homeowners and self-builders who want access to trade-quality products without paying retail prices — and the advice to make sure they get it right.

    • Same products our own team installs
    • No inflated retail markups
    • Technical guidance available
    • Collection from our St Austell base
    • Full range available — windows, doors, conservatories

    Products Available for Trade & DIY Supply

    Windows

    Windows uPVC casement windows, flush casement windows, tilt and turn windows, fully reversible windows and aluminium windows — all available in a full range of colours, glazing specifications and sizes. Supplied in standard and made-to-measure configurations.

    Explore Windows

    Doors

    Doors Composite door blanks and complete sets, uPVC residential door sets, aluminium bi-folding door systems, aluminium sliding patio doors, French door sets and aluminium entrance doors — all available for trade supply across St Austell and the surrounding area.

    Explore Doors

    Conservatories

    Conservatory Components uPVC conservatory frames, glazing bars, roofing systems and ancillary components available for trade and self-build projects. SupaLite warm roof systems also available — speak to our team for specification advice.

    Explore Conservatories

    Other

    Ancillaries & Accessories Hardware, handles, letterboxes, glazing packers, foam, sealants, trims and finishing products available alongside every product order.

    Explore
    WHY CHOOSE US

    Why Trade & DIY Customers Choose St Austell Bay Plastics

    Local & Reliable
    We're based in St Austell and know this market inside out. Unlike national suppliers, we're accessible, personal and flexible. Call us, come in, or order — we'll work around you.
    Competitive Trade Pricing
    Open a trade account and access exclusive pricing not available to the general public. The more you order, the better the deal — speak to our team about volume discounts.
    Fast Turnaround
    We understand that on a building site, time is money. We work to deliver products on time and communicate clearly throughout — so you're never left waiting or chasing.
    Same Products We Install
    Every product we supply for trade and DIY is the same specification we use in our own installations. You're not getting a cheaper version — you're getting the real thing.
    Technical Advice Included
    Not sure on specification, sizing or glazing options? Our team has decades of experience and can advise on the right product for your project — free of charge, no obligation.
    Collection Available
    Trade and DIY customers are welcome to collect directly from our St Austell base — saving on delivery costs and cutting lead times for local builders and contractors.

    Open a Trade Account — It Takes 5 Minutes

    Exclusive trade pricing on the full product range
    Priority order processing and fast lead times
    A dedicated account contact — not a call centre
    Monthly statements and flexible payment terms
    Volume discounts on larger or repeat orders
    Technical support from our experienced team
    Complete the Trade Account Form
    No joining fees
    No minimum order.
    No long-term commitment.

    Trusted by Homeowners Across St Austell & the Surrounding Area

    Covering St Austell & All Surrounding Towns

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    View all
    VS

    Venetia Shepherd

    8 April 2021

    ✓ Recommends us

    Such 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!

    KP

    Karen Penrose

    31 July 2020

    ✓ Recommends us
    ★★★★★

    Absolutely 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.

    LS

    Laura Swailes

    Recommends us

    ✓ Recommends us
    ★★★★★

    Great 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.

    SR

    Stephen Rickard

    Recommends us

    ✓ Recommends us
    ★★★★★

    St Austell Bay Plastics have supplied and fitted windows and doors for 2 properties — 28 units. Their work and service has been first class.

    VM

    Victoria Martin

    Recommends us

    ✓ Recommends us
    ★★★★★

    I 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!

    JH

    Jo Hello

    Recommends us

    ✓ Recommends us
    ★★★★★

    St 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.

    CB

    Christina Brooks

    Recommends us

    ✓ Recommends us
    ★★★★★

    We 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.

    SL

    Sarah Lee

    Recommends us

    ✓ Recommends us
    ★★★★★

    Absolutely 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.

    WS

    Wayne Sewell

    Recommends us

    ✓ Recommends us
    ★★★★★

    After 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.

    CM

    Chris Maggs

    Recommends us

    ✓ Recommends us
    ★★★★★

    From start to the end of the installation the work was first class. Thank you very much St Austell Bay Plastics.

    1/10

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    AO

    Alan Orme

    2 weeks ago

    ★★★★★

    No pressure sales, good price, great job & I would use them again.

    SP

    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.

    LB

    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.

    LK

    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.

    JH

    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.

    AA

    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.

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    Areas We Cover

    Covering St Austell & All Surrounding Towns

    Truro
    Bodmin
    Lostwithiel
    Newquay
    Padstow
    Liskeard
    Falmouth
    St Mawes
    Fowey

    Frequently Asked Questions

    Simply complete the trade account application form on our Open a Trade Account page. A member of our team will review your application and be in touch within one working day. There are no joining fees and no minimum order requirements.

    Yes — trade and DIY customers are welcome to collect directly from our St Austell base. Please call ahead to confirm your order is ready for collection and to arrange a suitable time.

    Yes. Trade account holders placing larger or repeat orders can access volume pricing. Speak to your account manager or contact our team to discuss your requirements and we'll put together the best deal we can.

    Yes — we can supply made-to-measure windows, doors and conservatory components for DIY installation. Accurate measurements are essential. Our team can advise on how to measure correctly before you place your order.