Millionaires’ Rows 2013: Britain’s top 20 most expensive streets, towns and areas

Kensington Palace Gardens is well ahead of the pack as always, with a current average price of £42,591,972

A survey of vendors has highlighted "likeability" as one of the key factors behind their choice of agent.

Prime properties in London saw their values tick upwards by an average of 1.6% over the last three months, but they're still 0.7% below where they were at this point in 2014.