The Sussex Dukes will renovate the new Kensington Mansion Apartment at Frogmore House, with at least 10 rooms next to Windsor Castle.
The couple will move to the start of 2019 to prepare for the birth of the first spring in the spring next to the Kensington Palace.
His new home is the place where Prince Harry and Meghan's wedding reception is the second family and friends.
According to the source, Windsor is a "special place" for marriage, because the 2017 commitment lives in Nottingham Country, and Cambridge Dukes live in three children, Princes Jorge and Luis and Princess Carlota.
The British media have recently claimed that this change was not only the arrival of the first child of the couple, but rather to face the conflict between the princes William and Harry.
British media Mirror says that Doria Ragland, a mother of Markle, prefers to give her couples a long term before they are born.
The apartment of the Sussex dukes in Kensington Palace has two rooms.
The youngest son of Prince Charles and American exaction married Windsor Castle (outside London) on May 19 and October 15, announcing Meghan's pregnancy.