as 0.68 W/m2K
Part Q compliant
Our specialist Passivhaus window and door range with minimalist contemporary design, at a competitive price.
The PROGRESSION range offers a low maintenance frame with narrow sightlines and high Passivhaus performance.
- U value as low as 0.68 W/m2K
- Passivhaus-certified A-rated windows
- Minimalist, narrow sightlines
- Low maintenance design
- Part Q compliant options*
*Window and glazed door