Pest control experts have told MailOnline that sightings have been on the rise, particularly in urban areas where the animals have access to strewn food from takeaways and piles of rubbish bins.
Rats! Meet the Mainer who is an national rat expert wabi.tv - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wabi.tv Daily Mail and Mail on Sunday newspapers.
A new interactive map showcases just how bad the UK's best problem is getting as experts warn numbers are only on the rise and rats as big as 21 inches - the size of a small dog - have been spotted
Rats - who eat just about anything - are becoming more resistant to poisons and are adept in finding hidden spots to nest and breed, meaning that their population is rapidly increasing.
UK facing plague of 300m super-rats that have beefed-up scoffing takeaway scraps dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.