1Buckingham Palace – London, UK

Estimated Price: $4.9 Billion. Buckingham Palace is the residence of the British monarch and easily ranks as the most expensive house in the world.

Located in the heart of London, this royal palace has 775 rooms, including 19 staterooms, 52 royal and guest bedrooms, and 188 staff rooms. Apart from being a royal residence, it also serves as the administrative headquarters of the monarchy. The history, opulence, and prime location make this a truly priceless property.

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