This chick has lived on a boat in London for 10 years. Her boat was 50 grand though.
Some interesting info on the hipster influx into city boats as rents go sky high.
http://www.theguardian.com/lifeandstyle/2015/jul/29/ten-years-living-on-a-boat-its-a-fun-life-im-not-a-watery-hobo