This Bristol home sees price boosted by millions thanks to Banksy
As a result the house is now thought to be worth in the region of £5million. Unsurprisingly, Aileen put the sale on hold for 48 hours to think again about her asking price. The Banksy effect is just one example of an extraneous factor influencing a property's price or saleability. Being previously owned by a celebrity is another. James Greenwood, a property search agent with Stacks, doubts that having a famous owner adds much to the actual value of a property, but it is beneficial in other ways. 'It's a good hook to capture interest and garner publicity,' he says. 'That whiff of excitement...