Duplexes for sale in London
London ranks among the world's most desirable cities – an economic powerhouse with deep cultural roots and an exceptional quality of life. Its super-prime property market, defined by prestige, heritage and outstanding craftsmanship, continues to attract international buyers seeking both stability and distinction. Below, explore some of London's finest duplexes, from historic residences to striking new builds.
London ranks among the world's most desirable cities – an economic powerhouse with deep cultural roots and an exceptional quality of life. Its super-prime property market, defined by prestige, heritage and outstanding craftsmanship, continues to attract international buyers seeking both stability and distinction. Below, explore some of London's finest duplexes, from historic residences to striking new builds.
The Popularity of London Flats
London's luxury apartment market has seen sustained demand, as demonstrated by recent data from United Kingdom Sotheby's International Realty (H1, 2025): flats accounted for 67% of both sales and lettings transactions, underscoring a clear preference for apartment living in the capital's prime locations.
The enduring popularity of ultra-luxury flats in London stem from its comprehensive offering – private wellness and leisure facilities, alongside 24/7 concierge and security services that guarantee both privacy and ease of access. For those who travel regularly, these properties serve as perfect pied-à-terres, remaining impeccably maintained and professionally managed during periods of absence.
London’s Iconic Duplexes
Luxury duplex apartments are either period conversions or contemporary builds. Some of the most coveted duplexes lie within prestigious residential developments that deliver architectural distinction and a comprehensive array of luxury amenities. For instance, One Hyde Park in Knightsbridge encompasses 86 residential properties priced between £5 million and £200 million, recognised as one of the most prestigious residential buildings globally. Its duplex penthouse, listed at £175 million, ranks among the world's most expensive addresses, featuring panoramic Hyde Park views, bespoke interiors, and amenities managed by Mandarin Oriental.
London's Prime Property Market
The city's luxury property sector has remained stable through policy changes, tax increases, and political uncertainty. London continues to attract buyers due to its economic strength, open society, cultural reputation, and quality of life. UK Sotheby's International Realty reported £417 million in sales during Q3 2025, despite challenging market conditions. International buyers made up 69% of transactions, mainly from the United States, Turkey, France, India, and the Gulf states.
Find the Duplex for You
London's duplex apartments are situated in the city's finest addresses, combining refined design with access to world-class cultural and lifestyle amenities. Discover yours with UK Sotheby's International Realty.