https://www.repairmywindowsand....doors.co.uk/chelsea-
Do I Need Planning Permission to Install Secondary Glazing? It is possible to put in secondary glazing within the existing frame to cut down on energy bills and muffle outside noise. This is ideal for period homes and listed structures where replacing windows isn't an option. It's also a fantastic solution to damp structures but only after other issues have been solved. This will stop draughts from blocking the building from receiving essential airflow. Do I require planning permission? Change of win
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