Last night's series three finale picked up 1.05m viewers for BBC Three, according to overnight ratings, and the show was once again critically acclaimed.
The fourth run of Toby Whithouse's drama will apparently pick up with the aftermath of last night's finale as the housemates return to Barry Island. There are also plans for further guest roles following the appearances of Lacey Turner and Robson Green during the recent run.
BBC Three acting controller Harry Lansdown said: "Being Human's brilliant mixture of fantasy and everyday life continues to provide must-see, ground-breaking drama for BBC Three, and I'm delighted to announce a fourth series for 2012."
Toby Whitehouse added: "We were overwhelmed by the response to series three, and so we're absolutely thrilled that the BBC have given us this opportunity to continue our show into a fourth year.
"We've got another intense and epic story lined up for you, with some new faces and old, and even more horror and mayhem and mugs of tea. I can't wait to get started."
Series four, which was given the green light by controller of BBC drama commissioning Ben Stephenson, will include eight 60-minute episodes.