The thermal insulation that double-glazed windows provide can make a difference to your energy bill, but that isn't the only reason to consider them.

Double-glazed windows have a sealed space between two panes of glass typically filled with argon gas, which slows the transfer of heat through the window. (All of the windows in CR’s ratings are ...

A new bay window can cost £1,000 to £3,000 or even more. If you are paying that much, the cost of the glass itself can be dwarfed by the cost of making the frames and fitting them.

But 13% of the double glazing owners we spoke to had problems in the first 10 years after installation. Plus, as double glazing gets old, it may need repairs and eventual replacement. If you end up ...

In a nutshell, vacuum glazing — also called vacuum double glazing — works by placing a vacuum between two panes of glass, rather than filling the gap with gas as in regular double glazing.. This is ...