David and Victoria Beckham have a stunning home in the Cotswolds and a modern Miami apartment, but it has to be their main residence in London that steals the crown for the most impressive.The family's £31million mansion in London's exclusive Holland Park area is another level of luxury complete with its own gym and wine cellar.LOOK: Victoria Beckham's quirky themed £11.5million mansion she used to live inIts hefty price tag makes it 45 times more expensive than the average London property price