Prince William, Kate Middleton to Make Kensington Palace Permanent Home in 2013

Prince William and Kate Middleton
 Samir Hussein/WireImage

Will and Kate are on the move!

The royal couple are set to make Kensington Palace their permanent residence starting in 2013, a spokesman for the Duke and Duchess confirms to Us Weekly.

Currently making their temporary home in a two bedroom cottage on the Palace grounds, Will and Kate, both 29, will move into an apartment once occupied by the late Princess Margaret and remain there from mid- to late-2013.

William's younger brother, Prince Harry, will move into their current digs once the couple's new apartment — currently being used by the Historic Royal Palaces charity as office space, classrooms and storage — is renovated.

The new royal digs are set to be designed by Kelly Hoppen, whose air fresheners and candles Kate favored when furnishing their temporary pad last summer.

"Kelly has already been selected to take care of the interior design at the palace," a royal aide told Us. "They want to create a modern quarter to live in. She has been actively involved in meetings with William and Kate's office."

Married April 29, the pair are quickly settling in to domestic life.

"For day-to-day life, they are the Cambridges," a source tells Us of the Duke and Duchess of Cambridge. "But behind closed doors they are calling each other Mr. and Mrs. Wales. It's cute."

Adds another royal insider: "They [are] a very low-key couple. They want to be very down to earth."

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