Replacement glass units

Double glazed units don't last forever, but can be replaced  at a fraction of the cost of new windows, they can be upgraded to incorporate energy saving glass,argon gas and thermal spacer bar[warm edge technology]. There are several types of glass,Pilkington k,pilkington optiwhite [low iron] Planitherm [softcoat] but to name a few each designed to cut fuel bills in the home and make them more thermally efficient

Conservatory roof glass can be replaced with Pilkington Active which is a self cleaning glass, this comes as active blue,active aqua or active neutral, these glass units have excellent solar control qualities made up with pilkington k can also give good thermal qualities