2018 saw the highest number of London properties sold for over £20 million (38) since 2014, according to Knight Frank.

However, the firm’s latest super-prime property market insights report showed that overall the number of properties sold in the UK capital for over £10 million fell by 19 percent to 109 in 2018.

During this period, the total value of transactions decreased by a smaller figure of 11 percent, which reflects the uplift in activity in the higher price brackets.

The only two areas in prime central London that saw transaction volumes increase were Mayfair and Notting Hill, with Mayfair now being...