Double glazing should last for many years and weather well – that’s what it is designed to do. But 13% of the double glazing owners we spoke to had problems in the first 10 years after installation.

My home is prone to condensation on the inside of my single-pane windows, which also encourages mold. But condensation can also be a concern when it occurs between double- or triple-glazed panes.

My wife and I recently moved and are looking to install double glazed windows. The ones in our house currently are single glazed, and it gets quite cold without the heating on constantly. Our road can ...