This £8 secondary glazing film has worked wonders on the sash windows in my old cottage — my home is warmer for longer, and I don’t have to wipe away condensation as much

White cottage style window with secondary glazing.

Now the colder weather has officially set in, managing heat loss and damp in your home should be top priority. Leaving these problems unchecked will cause serious problems not just in your house but also your health and financial stability.

As of 2024, 89% of homes in the UK had full double glazing, but for those of us in Conservation Areas, Listed Buildings or just poorly maintained rented accommodation, dealing with the issues single glazing presents is especially important at this time of year.