We are up to 30% cheaper than many local installers. Buy straight from the manufacturer.
Book a free extension quote for 2024
We are the home improvement experts in Lowestoft and Suffolk
Composite Doors »
UPVC Windows »
Conservatories »
Warm Roofs & Extensions »
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- Fully certified installers
- FENSA certified
- Energy efficient windows
- No deposit bookings and no
high pressure sales - All products covered by the FENSA certification scheme will carry an insurance backed guarantee