Window Energy Ratings Requirements
From 1st October 2010 the new standard for domestic replacement windows will be:
England & Wales
Either an energy rating of C or a whole window U-value of 1.6 W/m2K
Replacement doors, a U-value of 1.8 W/m2K
Sco...
Window Energy Ratings Requirements
From 1st October 2010 the new standard for domestic replacement windows will be:
England & Wales
Either an energy rating of C or a whole window U-value of 1.6 W/m2K
Replacement doors, a U-value of 1.8 W/m...