UK's most expensive terrace house sold for £80m

For £80 million you might have thought you'd get a decent swathe of grounds, and the opportunity to get a sensible distance from any neighbours, but not in central London. A Grade 1 listed mansion overlooking Regents Park has just sold for £80 million.

So why did it fetch such a huge cost, and how does this compare to the capital's most expensive homes?
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