Product
HUP! Modular Extensions.
The HUP! modular extension system — rapid, high-performance builds with beautiful window and door integration.
Designed, manufactured and installed by our own team.
Any size, any glazing spec, any RAL or Farrow & Ball colour.
FENSA-registered installation across the South of England.
Made in our 14,000 sq ft Andover workshop.
Trusted by 2,700+ homeowners and specifiers.
Trade supply available for builders and developers.
Talk to the team who'll actually make your windows.
Andover workshop · FENSA approved · Mon–Fri 8am–4pm.
