Airbnb Inc (NASDAQ:ABNB, ETR:6Z1) properties in the UK are being targeted by new rules aimed at improving the rental market. New restrictions on short-term letting were launched today, requiring new planning permission if a house is going to be rented out for more than 90 days in a year, which would imply the property is being used mostly as an Airbnb let or on another platform. The short-term letting rules also include plans to set up a national register of properties being used for short- term letting wit ...