St Austell Bay Windows and Doors are a Cornwall-based company with a strong reputation for quality installations and customer care. Operating from St Austell Bay Business Park, we serve domestic and commercial clients across the region. Our experienced team specialises in aluminium, uPVC, and composite systems, offering tailored solutions to suit every property. With in-house design capabilities, professional installation teams, and a commitment to high standards, we’re focused on delivering results that last — and helping our clients invest confidently in their property.