old windows

I am in the process of trying to eliminate drafts and make my home more energy efficient, and one thing I need to do is re-seal around the frame of my windows. In the process i have been trying to figure out how old they are, to gauge if they are coming to a point they need replacing. I cant...

Hi, I'm in the middle of completely redecorating and fixing a bedroom in a house built in 1950. The room has some very old double glazing (minimum 15 years which is when we bought it, probably a fair bit older). The guy who owned the house before us was a general builder/painter/decorator and it...