An academic at Loughborough University is warning the UK faces a public health disaster if the issue of overheating in homes isn't tackled. Professor Kevin Lomas says the way many houses are built means people are unable to keep cool during Summer.
And with predictions of more frequent and intense heatwaves, Professor Lomas says the number of deaths related to overheating could triple by 2040.
Watch Phil Brewster's report below.
PhD student Ben Roberts has told ITV News Central more about the work the team at Loughborough University are carrying out.