Ice Age Lifestyle?

[NorthernRaider]

You can buy polyfilm seconary double glazing kits from B & Q for about £20, all you do is put double sided tape round the edge of the frame, stretch the film over the window, then shrint it tight and clear with a hair drier. You can also buy a couple of the foil coated foam insulation panels and cut them to fit your window frame, you can make some timber plywood folding window shutters to use instead or with curtains, you can fit themal foil lines curtains.