To post your free ad for renting a room in London or across the UK, just press the green "rent a room now" button or the "post your free ad" link above and follow the ad creation instructions. If you're looking to find a flatmate, it's recommended to fill as many details as possible about yourself and about your requirements and expectations for your future roommate or flatmate so the automated flatmate finder can find the best matching flatmates and roommates for your shared accommodation.