The UK has been enjoying a heatwave this summer, with many people out basking in the sunshine – well not everyone.
Millions of people across Britain have been stuck working inside offices during these balmy days, some in uncomfortable conditions which are likely to stem productivity - but when is it actually too hot to work?
Trevor Jennings, vice-chairman of the Institution of Occupational Safety and Health's London Metropolitan Branch, explains what the maximum working temperature should be at the work place.
