'Clients prefer the exclusivity that comes with purchasing a home which has not been openly marketed and which many potential purchasers will not yet have the opportunity to see'
Buying Agency Middleton Advisors has worked out that the cost of buying a £1.5m ish property in London has risen by 1% over the last five years, from 4.8% of the purchase price in 2009 to 5.8% in 2014.