What is the most expensive royal family castle?
- Buckingham Palace – $7 Billion. ...
- The Duchy of Cornwall – $1.3 Billion. ...
- The Duchy of Lancaster – $748 Million. ...
- Kensington Palace – $630 Million. ...
- Windsor Castle – $326 Million. ...
- Sandringham House – $220 Million. ...
- Balmoral Castle – $140 Million. ...
MORE DETAILS