According to Rentokil, this is due to the warmer weather providing 'favourable conditions for wasps to thrive'. With a higher volume of nests popping up and the insects treading further afield, ...

Wasp deterrents are usually chemical-based and have to be sprayed all around your home or yard to keep these stinging insects away, but there’s a simpler, non-toxic, and ingenious option.

He recommends using coffee grounds as a natural, no-cost deterrent to prevent wasps from settling in your home. “Wasps have a surprisingly strong sense of smell,” says Hutton.