We are up to 30% Cheaper than many local installers.
Buy straight from the manufacturer.
We are the home improvement experts in Lowestoft and Suffolk
Founded in 1989, Polycastle Ltd has established itself as Lowestoft’s leading supplier, manufacturer and installer of uPVC home improvement products. We do it all, including doors, windows and conservatories. Get in touch for a free quote and consultation.
10 year guarantee on every installation
Fully certified professional installers
FENSA certified window and door products
Energy efficient windows for your home
No deposit bookings or pressure sales
Insurance backed guarantees on FENSA products
Trusted By Our Customers
Founded in 1989, Polycastle Ltd has built a trusted reputation across Lowestoft for quality uPVC windows, doors and conservatories. Our customers choose us for our fully certified installers, FENSA certification, energy-efficient products and honest, no-pressure approach. With no deposit bookings, a 10-year guarantee and insurance-backed guarantees on FENSA-certified products, you can feel confident your home is in safe hands.
Ready To Improve Your Home?
Get in touch with Polycastle Ltd today for a free quote and consultation on your new windows, doors, conservatory or warm roof.