The Most Expensive Streets & Neighbourhoods in London (2026)
From £36m addresses to the capital's priciest borough — where London's property really costs a fortune.
London's property market is among the most expensive on earth, and a handful of streets and neighbourhoods sit in a league of their own. From ambassadorial mansions to garden-square townhouses, these are the addresses where prices reach truly astronomical levels. Figures below are indicative averages drawn from 2026 market reports and vary by methodology and source. To explore what it's actually like to live across the city, see our living-in London borough guides.
Kensington Palace Gardens — averages above £36 million
Frequently ranked the most expensive street in the UK, this private, tree-lined avenue in Kensington — nicknamed 'Billionaires' Row' — is home to embassies and oligarchs, with sold prices that have averaged well above £36 million. Discover the area in our Kensington & Chelsea guide.
Winnington Road & Chester Square — £11m to £12.5m asking
By average asking price, 2026 reports place Winnington Road in Barnet's exclusive Hampstead Garden Suburb fringe at the top, around £12.5 million, followed by Chester Square in Belgravia at around £11.5 million — a classic Westminster garden square beloved of the establishment.
Kensington & Chelsea — London's priciest borough
The Royal Borough of Kensington and Chelsea remains London's most expensive borough overall, with an average house price around £1,195,000, ahead of the City of Westminster at roughly £890,000. Mayfair's W1K postcode leads for average sale prices among broader areas.
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