Heath Hall in Hampstead, London, was originally built for William Lyle (the Lyle in Tate and Lyle sugar) in 1910. It was then bought by the Bank of China before being bought in 2006 by a man called Andreas Panayiotou.
Mr Panayiotou spent 7 years and £40m restoring the property - that seems like a hefty investment until you find out he owns a Gulfstream G450 jet worth the same... and that's just part of his collection!
How does this compare to some well known celeb homes? Well, for the same price as Heath Hall, you could buy Jay-Z and Beyonce's house, Tiger Woods' new bachelor pad, Hugh Hefner's legendary Playboy Mansion and still have a couple of million pounds to spare!
I would finish this blog post off properly but... I'm off to buy a lottery ticket!