Window style. Double-hung windows with two movable sashes are most expensive, followed by single-hung, bay and sliding ...

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 ...

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 ...