1920s house, 1930s house, 1940s house, building ventilation, Condensation, DIY, draughts, heritage building renovation, home renovation, property maintenance, replacement windows, secondary glazing, sheffield, window condensation, windows | 19/01/2015 A (non-) condensed post! Brr. It’s a very cold January morning – Hands up whose bathroom, kitchen or landing window...Continue Reading