Double Glazing Window Repairs If your double-glazed windows are damaged, you should repair them as soon as is possible. If the seals have been damaged, it can lead to draughts, condensation and make your house less energy efficient. Repairing double-glazed windows is generally less expensive than replacing it. This article https://www.repairmywindowsanddoors.co.uk/lewisham-windowrepair/