
Moneyed buyers once satisfied by a tennis court are now more likely to enquire after a heli-pad, panic room or underground garage for their fleet of supercars, according to the specialist agents tasked with playing property matchmaker.
Perhaps more fascinating than the finer details of high-spec mansions are the homes which look otherwise ordinary – the Thirties semi with a huge swimming pool in the back garden, or the (admittedly smart) Victorian townhouse with a state-of-the-art recording studio.