They may not always be an obvious sign of a serious problem, but cracks appearing in your walls can sometimes lead to serious issues.
Buildings naturally shrink and swell as temperatures change, and so the recent record-breaking heatwave we saw over the summer has had people worrying about what it may have done to their homes.
It's also led to speculation that we could see an increase of subsidence claims, which is a severe problem caused by the ground underneath your property sinking.