Upon his accession to the throne, King Charles inherited a vast property portfolio from his mother the late Queen - and now has properties dotted across the country.
Some he has been making use of such as Buckingham Palace, Windsor Castle and Sandringham.
However, some he nor the late Queen have never even lived in - including one on the Windsor estate, which could have been a potential home for the Prince and Princess of Wales before they decided to move to Adelaide Cottage.
This property is Frogmore House, which has been a royal residence since 1792 when it was bought by George III's wife Charlotte, but it is currently unoccupied.
The late Queen and now the King have never chosen to live there because when in Windsor they stay at their own castle.
The residence gets its name from the abundance of frogs that inhabit the marshland around its extensive grounds - which is also home to the Royal Mausoleum where Queen Victoria and Prince Albert are buried.
The property is now used as a public attraction - although it is currently closed to visitors at the moment.
Inside the house, there is the Staircase Hall, which features wall murals by the French artist Louis Laguerre.
There's also the Cross Gallery that's filled with artwork as well as the Black Museum, decorated in the style of Queen Mary.
While the Britannia Room features a number of items from the Royal Yacht that were selected by Prince Philip to be put on display.
The residence has played host to important royal occasions over the years such as the wedding reception of Peter Phillips and Autumn Kelly and then Prince Harry and Meghan Markle.
However, it is not to be confused with Frogmore Cottage which is located on the same estate and was granted by the Queen to be the official residence of Harry and Meghan before they moved to the US.
Last year, when they were mulling over a move to Windsor, it was reported that William and Kate had looked at Frogmore House as a potential home.
But in the end, they plumped for the four-bedroom Adelaide Cottage - Grade II listed home, which belongs to the Crown Estate.
It was built for Queen Adelaide in 1831 and is nestled just a 10-minute walk from Windsor Castle in the private Home Park.
The family also has use of Kensington Palace’s Apartment 1A, which is their official residence and their working base that houses their office staff.
They also have use of 10-bedroom Norfolk country mansion Anmer Hall, which was a gift from the late Queen, which has a swimming pool and tennis court and underwent large-scale building work at their own cost.
