In Pictures: Revamp of Nobel prizewinner’s Highgate mansion

One of the last remaining private mansions on Fifth Avenue is up for grabs for an eye-watering $80m. If it goes for anything over $53m, it'll become the priciest townhouse ever sold in NYC.

A 27-year-old from China has reportedly shelled out over £25m for a mansion with views of Sydney Harbour Bridge. It's expected to be confirmed as the second biggest resi sale in Australian history.

Right in the mixer between chichi Primrose Hill and swanky St John's Wood, Avenue Road is lined with some of the capital's most exclusive detached residences;