Energy-saving possibilities for 1930s semi-detached home in Wales 2014

This statistic shows which improvements or actions adults believed could save the most energy in a semi-detached house built in the 1930s in Wales in 2014. Almost 40 percent of respondents said they believed installing 150mm of loft insulation would be the action saving the most energy, while 17 percent felt replacing the windows with low-omissivity double glazing would be the most efficient method for saving energy.