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London's Billionaire Street: 5 most expensive real estate addresses attracting the world's wealthiest buyers

09 Jun 2026

And they say London is not for weak pockets for a reason! World’s one of the costliest cities to live in, the English city has long enjoyed the status of the most prestigious real estate markets. It has been attracting billionaires, royalty, international investors and developers for a long time now. While the city is currently experiencing a period of price adjustment in its prime residential sector, demand for trophy properties on London's most exclusive streets remains remarkably high. For wealthy buyers and developers, owning property here is more about prestige, privacy and security, among others.A look at London’s most premium real estate streets where billionaires live:(Sources: Knight Frank Prime Central London Market Update 2025–26, Savills Prime London Residential Research, The Standard's 2025 Most Expensive Streets Ranking (based on Zoopla data), Grosvenor Estate market information)
London's Billionaire Street: 5 most expensive real estate addresses attracting the world's wealthiest buyers

London's Most Exclusive Residential Streets: A Haven for the Wealthy

London, known as one of the world's most expensive cities to live in, boasts a prestigious real estate market that has long attracted billionaires, royalty, international investors, and developers. Despite a current period of price adjustment in its prime residential sector, demand for trophy properties remains remarkably high, driven by the allure of prestige, privacy, and security.

The Top 5 Most Exclusive Streets in London

  • Kensington Palace Gardens: Dubbed Britain's "Billionaires' Row," this exclusive street is protected by high-level private security and boasts embassies, royal residences, and expensive private mansions. The average property value on Kensington Palace Gardens stands at approximately £35.9 million, making it the most expensive street in Britain.
  • Grosvenor Place: This street has recently emerged as London's most expensive residential address, with average home values exceeding £28 million. Its proximity to Buckingham Palace, luxury hotels, and Hyde Park Corner adds to its value.
  • Grosvenor Crescent in Belgravia: This historic street is managed by the Grosvenor Estate and features grand stucco-fronted buildings. Average property values range from £16.5 million to £28 million, making it a rare opportunity for developers.
  • Mayfair: This affluent area is home to wealthy individuals and enjoys proximity to luxury retail and fine dining. Properties in and around Grosvenor Square command tens of millions of pounds, making it a prime location for developers.
  • The Bishops Avenue: Known as one of London's most famous millionaire enclaves, this region boasts spectacular sprawling mansions and large land parcels. Ultra-luxurious homes here command prices in the tens of millions of pounds, making it a favorite among developers.