Offer your insights or judgment on the input financial query or topic using your financial expertise. Reply as normal question answering

Currently sole owner of a property. My girlfriend is looking to move in with me and is offering to pay 'rent'. Am I at risk here?
Edit #2 My whole answer was based on my misunderstanding that you were renting out a totally separate property to your girl friend.  I finally understand now that you're renting out a room in YOUR apartment flat to your gf.  So, based on my new understanding, I don't think it's necessarily a bad idea.  The answer below is my answer to a different question ;) Original Answer My answer has nothing to do with business, but is totally relationship based.   If you care about her in a "we might be together a long time" way, then I wouldn't do this.  I don't care what arrangements you setup before hand, at some point, you're bound to feel like she owes you something at some point.  Let alone the easiest of situations to imagine (she's late on the rent, she loses her job and can't pay, etc) you'll be forced to make decisions about how much your desire to love and care for her outweighs your need to pay your mortgage.  You can argue how magnanimous your are all day long, but is this something you want to bring into your relationship? Now, if you don't really care to stay with her that long and you could do life with or without her, then go for it.  I think the big question is, is your relationship worth £200? Edit In the interest of supporting my opinion, here are a few articles I found on the subject: Unfortunately, the way renting to friends or family often works out is far from what would be expected between people who care about one another. For the most part, friends and family members will actually make bad renters, because they’ll expect more from you than a tenant who doesn’t know you. You may get a lot of requests for maintenance and repairs, even for minor things, and you may also find that family members and friends think they should be entitled to perks because of your personal relationship with them. When they don’t get special treatment, they can get angry with you, and that hurts both your professional relationship and your personal relationship. American Apartment Owners Association "In my experience, landlords renting to relatives doesn't work out perfectly," said Ceyhun Doker, a REALTOR® associate at Keller Williams Realty in Burlingame, CA. "When you don't know each other, there are fewer problems." realator.com