The mercury in London has dropped to a more manageable 26 degrees celcius after topping 40 degrees.
Firefighters took an estimated 2,600 emergency calls and responded to over 1,000 fire calls, as the city dealt with its worst heat wave in decades.
Extreme temperatures have led to widespread problems and disruption on Britain's railways, airports and roads.
It has highlighted a infrastrcuture crisis for the country, whose large concrete cities are not adequately prepared for the impacts of climate change.
Journalist Ben Lewis spoke to Morning Report from London.