Rats as the “size of cats” could be paying you and your neighbours a visit soon, experts warn.

The latest sighting of these so called “monster rats” comes out of Norwich where rat catchers are warning of an invasion.

Andrew Dellbridge of Ace Pest Control spoke on how British rodents were getting “bigger and braver” post lockdown.

He told the Norwich Evening News: “They used to work around us but now they’re gaining access they wouldn’t have attempted before. They’re letting themselves into people’s houses and businesses,”

“I was called out to one job in Norwich and the customer could barely speak, she was in so much shock,” he added.

“She’d been using the bathroom and heard a noise. She looked down and it was in the toilet bowl. And this is happening more and more frequently.”

Dellbridge professed that toilets were one way rats had gained access to homes by way of the sewage pipes.

The situation is so bad in Norwich that Dellbridge says he’s been forced to hire more staff.

A spokeswoman for Norwich City Council issued this statement: “Try not to feed your pets outdoors, if you do, make sure you’re present when feeding them, and remove any remaining food afterwards.

“People that have seen rats near their property should avoid feeding wildlife as this is a food source for rodents too.”