Homes most at risk of overheating include top floor apartments in 1960s tower blocks and modern detached houses.
The government has stated that it is aware of concerns and has taken steps to ensure overheating is not an issue in homes taking advantage of the Green Deal.
An overlooked problem
Speaking to the BBC News website, Prof Chris Goodier, of Loughborough University’s department of civil and building engineering, said: “Overheating is like the little boy at the back of the class waving his hand. It is forgotten about because the other challenges are so big.”
He added that although initiatives such as the Green Deal are key to achieving carbon emission targets, overheating had been disregarded in the “big rush to insulate and make homes airtight.”
Some properties at risk
Research carried out by Leicester De Montfort University singled out 1960s tower blocks and modern detached houses are most vulnerable to overheating.
Professor Goodier of Leicester De Montfort University said: “If you are in the wrong type of house, facing the wrong way, in the wrong street and you don’t deal with heat in the right way, it is a problem.”
He added that overheating was a particularly dangerous issue for the elderly.
Tackling the problem
In light of the research on overheating, DECC released a statement: “DECC is working with experts and other government departments to understand the potential risk of overheating in retrofitted homes and ensure that the energy efficiency supply chain, including those working within the Green Deal, are aware and guidance is provided on homes which are most likely to be vulnerable and what steps could be taken to minimise any risk of overheating.”