My sisters boyfriend (no kids involved) has left their home. His name wasn't on the mortgage but he paid bills etc through direct debit. His name is on the electoral role and has been for at least 10 years. He now wants his share out of the house, but she says he isnt entitled to anything as his name wasnt on the mortgage. Where do they both stand on this? Can anyone advise? He basically has nowhere to live now and is sofa surfing at friends.