Published: 06 November 2025
Defining the most expensive homes in the world is a difficult challenge to navigate. The worth of residential real estate can be so dependent on a combination of factors and ever-shifting valuations that are tied to trends, market movement and often world events that sit within the realms of geo politics.
There is also a collection of buildings and estates that are technically used as residences but would never reach the market. These are the state buildings, palaces and royal residences around the globe that are comfortably in the priceless category, and one can only speculate on a real-world value. The city of London holds perhaps the greatest example of this category with Buckingham Palace, the remarkable estate that acts as the official home of the King of England, Charles III.
However, there are some exclusive and ultra prime homes that have been through the sale process or have considerably verified valuation records to explore. Here is a guide to 5 of the most expensive homes in the world that suitably fit this bill.
1. 220 Central Park South Penthouse
Around £185m
This quadruplex penthouse provides a clear benchmark for the exclusive and ultra-prime tier of global homes. When hedge fund founder Ken Griffin bought the property in 2019 it officially became the most expensive confirmed residential sale in American history.
With around 24,000 square feet across four floors in one of the most expensive neighbourhoods on the planet, this is a defining statement of space and status. With uninterrupted frontage over Central Park, this is essentially a townhouse in the sky above New York City with dedicated zones for formal entertainment, private living, guest accommodation and services. The building itself is a beautiful example of classical proportions and architectural restraint, designed by the revered Robert A.M Stern studio. This home is a legacy asset that aligns scarcity, protected views and an impeccable infrastructure for modern living.
- Billionaire’s Row location in New York City
- Reported 16 bedrooms
- Reported 17 bathrooms
- Private elevator access
- Occupies floors 50-53 of the building
- Exclusive pool, spa, fitness centre & private dining
2. Villa Les Cèdres French Riviera
Around £175m
Where Manhattan homes excel with imperious verticality and scale in the sky, the French Riviera expresses beautiful horizons across the land as its primary luxury asset. Villa Les Cèdres is set within around 35 acres of the Cap Ferrat peninsula which represents one of the most remarkable land holdings in Europe. As the area is so tightly controlled for development, it is extremely unlikely that a plot this size would ever be realised in the future.
The main villa has origins that date back to the 19th century in a classical Mediterranean design with large rooms, high ceilings and masonry walls. This was a residence built for aristocracy with a ballroom, chapel and winter garden all speaking to the wonderful history and provenance it holds. The estate acts almost like a private village with open grounds, equestrian facilities and peerless infrastructure for 21st century living in a traditional aesthetic. Everything about Villa Les Cèdres exudes class and charm.
- Reported 10 principal bedrooms
- Associated with King Leopold II of Belgium
- Extensive botanical gardens
- Elite location between Nice and Monaco
- A highly restricted coastal planning zone
3. One Hyde Park Penthouse London
Reported around £140m
When this penthouse reportedly fetched around £140m in 2024 it signalled a new era for London’s ultra-prime residential market. It demonstrated exactly how Knightsbridge was amongst the elite competition of New York City and the Riviera at the pinnacle of residential sales. Without the support of historic, sprawling estates or large-scale coastal compounds this home highlighted the ultra-modern prestige combination of superb location, beautiful design and fully integrated living infrastructure.
Its contemporary and muted facades are engineered to maximise natural light over substantial footprints for the most elegant open-plan spaces in all of Europe. The interior was the work of the most pre-eminent interior design and development, Candy, for bespoke luxury, in the most private settings, at one of the most iconic landmarks in the city.
- Penthouse with peerless views over Hyde Park
- Bespoke interiors by a world-leading design studio
- 24-hour concierge and property management
- Access to facilities at nearby 5-star Mandarin Oriental Hyde Park Hotel
- Ultra-protected views and development
4. The One Bel Air
Around £115m
The One in Bel Air is a fantastic illustration of what engineered residential luxury can look like at the highest level. It was originally conceived to be a record-breaking mega mansion with a list price that began at an astronomical $500m.
The sheer size of The One, at more than 100,000 square feet makes it amongst the largest residences ever constructed in the USA. This is a building that operates in zones, not merely rooms, with a goal to entertain and thrill on every level. The excess is evident everywhere with a private nightclub, cinema, multiple pools and terraces, all consolidated into one modernist architectural framework. L.A-based luxury developer Nile Niami was responsible for this truly one-of-a-kind residence with Irish architect Paul Mclean ultimately responsible for its unique design and built form. It is technically extraordinary and spatially ambitious with size and impact as the key drivers for its astonishing value.
- Reported 9 bedrooms
- Reported 20+ bathrooms
- Exclusive hillside plot in Bel Air
- Almost a decade in development
- Huge garage for over 30 vehicles
5. Fair Field The Hamptons - New York State
Around £190m
The Hamptons in Long Island has been the summer playground of the East Coast elite in the USA for centuries. Fair Field is one of the largest single-family residential compounds ever constructed, taking up 63 acres in the Sagaponack area of the region. This is an almost entirely self-contained estate with a main residence of over 60,000 square feet that includes swimming pools, bowling alleys and a collection of impressive sports courts.
Fair Field is one of very few residential estates that is complete with its own energy infrastructure through a power plant that provides electricity to the compound, independent of the grid. Although the family are fiercely private in terms of access, there are clues to an overall neo-classical estate architecture with French chateau influences, albeit executed on a much grander scale. This home operates as its own autonomous world set on the foundations of one of the most attractive plots of prime real estate that one can imagine.
- Constructed over decades since the late 1990s
- Located in one of the most expensive neighbourhoods in America
- Almost self-sufficient services and infrastructure
- One of the most expensive private residences ever built
- Unmatched guest facilities created in entire zones
The value of the most expensive homes at this level transcends the monetary figures and records they break. It is often determined by the generational impact they will have as assets and the stories they tell us about status in the 21st century. The real prime aspect and luxury it affords the owner is through the creation of specific lifestyle conditions in some of the greatest locations on the planet. All of that simply cannot be reproduced without decades of development and huge resources to draw upon.
