Prince William and Kate Middleton will leave their home in Anglesey this Summer, in preparation for the arrival of their first child.
The Sunday Times reported that the Duke of Cambridge is to complete his three and a half year tour of duty as a Sea King helicopter pilot at the Anglesey RAF base.
It was reported that he told his commanding officer at RAF Valley search and rescue force it is time for him to 'move on'.
Prince William, Duke of Cambridge, is due to finish hie three and a half year tour of duty at the Anglesey RAF base this Summer. He worked as a Search And Rescue Operational Captain, allowing him to lead operations
The Duke of Cambridge was said to fit in with the team in Anglesey well. He and his wife, Kate, have enjoyed a life of relative privacy while based there
William said it is time for him to 'move on'. It is not known whether he will take another post in the armed forces or take on full-time royal duties
The royal couple will move to split their time between Kensington Palace and Amer Hall on the Queen's Sandringham estate, it was claimed.
The will leave life of relative privacy in Anglesey behind them. It is not known whether William will take up another post in the armed forces when he leaves.
A souce said: 'They have enjoyed their time in Anglesey but they have both made it clear that it is time to move on.
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'A final decision has yet to be made but their main family home will be at Kensington Palace.'
William has said that he wants to be a 'hands on' father and will not take a job that requires him to be away from his young family.
The Duke of Cambridge's royal commitments are due to increase as the Queen, 87, and Duke of Edinburgh, who is almost 92, take on fewer projects.
William's decision to leave RAF Valley is said to be linked to his opposition to the selling of the search and rescue service.
Prince William is considering taking on full-time royal duties. This week, William and Kate visited the Harry Potter set on Warner Bros Studios
William has said he wants to be close to his new family to be as involved with his first child as possible
He opposed privitisation plans that went ahead last month, which means the Sea Kings will be replaced.
The young couple were favourites in Anglesey since they moved there in April 2011.
They were spotted going to the White Eagle pub and Kate was a regular shopper at a local Waitrose supermarket.
Locals said they will be missed. Dave Buckland, the owner of a surf shop, said: 'They've brought a lot to Anglesey and we're very happy with that'.The palace did not comment.