5 things I do every summer that are making parts of my house unbearably hot — experts told me I'd been falling foul of these common mistakes

Rustic living room with exposed stone wall and green sofas.

For much of the year my old house is a chilly place to spend time in, with the ground floor in particular somehow refusing to hold on to heat no matter what the temperatures outside – in fact, I have been known to step out into the garden to warm up a little when working from home.