The royal family owns $18 billion worth of real estate in the UK — take a look inside 11 of their lavish properties

• The royal family owns private residential houses as well as castles and palaces across the UK.
• They also own famous landmarks like the Savoy Hotel and the Ascot Racecourse.
• Many of them have been in the royal family for hundreds of years.

Queen Elizabeth isn't just a monarch — she's a real estate mogul, too.

The royal family owns property across the UK valued at an estimated $18 billion. The queen receives 25% of the the Crown Estate's revenues to spend on maintaining her properties as well as her official work.

From palaces to private homes, here are 11 properties that the royal family calls their own.

SEE ALSO: 18 photos of the Queen doing commoner things that will make you chuckle

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Buckingham Palace — London, England

Buckingham Palace is the administrative headquarters of the ruling monarch — in other words, the queen's office. 

Buckingham Palace has 775 rooms total, including 19 State rooms, 52 bedrooms, 188 staff bedrooms, 92 offices, and 78 bathrooms.

It opens to the public for tours every summer as well as for a limited time during December, January, and Easter.

Click here to see more of Buckingham Palace's lavish Christmas decorations.

Sandringham House — Norfolk, England

Queen Elizabeth inherited Sandringham House from her father in 1952. It's a private residence on an 8,000 hectare-estate owned by the royal family.