When we think about energy efficiency one of the first things that we look at (or through) are our windows. This is actually a really expensive option for improving energy efficiency compared to its return. We generally only lose around …

Windows a wise investment? Read more »

Old houses are seen as being a real problem with regards to carbon emissions. Their walls are seen as being really inefficient and difficult to treat. When we use computer programmes to calculate how efficient our homes are we use …

Insulating solid walls Read more »