Knight Frank
At the top of the list, fending off competition from a private island fortress and Harry Potter's house, was a Grade II-listed townhouse in Belgravia.
Also the most expensive home on the market in London, the property features a roof terrace, winter garden, and swimming pool in the basement.
The 10,516 square-foot home is spread over four floors, with a convenient passenger lift for easy access between the house's seven bedrooms, six bathrooms, and three reception rooms.
Take a look inside the multimillion-pound property below:
Chloe Pantazi contributed the original reporting to this article.