If you want the correct answer to this between which one yielded a lot in terms of profitability over a decade now between bitcoin and a house in London, just make a google search on the most profitable investment asset in the world and see what you will be served with, bitcoin will be the first to see while i don't think owning a house in UK can even be among the other possible alternative to see, bitcoin is more profitable as of recent than gold or real estate business, all this could be seen on the google by searching through, you will need a house maintenance fees to be paid to the government annually while bitcoin requires nothing from your profit and you can hodl for as long as you wishes without any fee for maintenance.