Transform your conservatory into a year-round living space with an official Guardian™ Warm Roof
Is your conservatory too hot in the summer and impossibly cold in the winter? You don’t need a new extension, you need a better roof.
At Calder Valley Windows and Doors, we are proud to be Certified Guardian™ Warm Roof Installers. We specialise in replacing outdated glass or polycarbonate roofs with the UK’s market-leading solid roof system. By combining high-performance thermal engineering with a beautiful, tiled finish, we help homeowners across Calderdale and Kirklees reclaim their conservatories, turning them into comfortable, energy-efficient rooms that can be enjoyed 365 days a year.
Why the Guardian™ Warm Roof is a Smarter Upgrade
As Certified Installers, we provide a precision-engineered solution that blends perfectly with your existing home while dramatically reducing your energy bills.
Unmatched Thermal Efficiency: Achieve a market-leading U-value of 0.15. This isn't just a slight improvement; it’s a total thermal transformation that stops heat loss in its tracks.
Certified Peace of Mind: Because we are Guardian Certified, your installation is backed by a 10-year product warranty and a 10-year workmanship warranty.
Rapid, Lightweight Installation: Engineered to be incredibly light, the Guardian system replaces your old roof without needing extra structural work. Most installations are completed in just 3-4 days.
Designed to Match Your Home: Choose from a premium range of tiles and slates to ensure your new roof looks like it was always part of the original building.
LABC Approved: The system is pre-approved by Building Control (LABC/LABSS), streamlining the paperwork and ensuring your upgrade meets every safety and quality standard.
What our customers say
