PRINCE William has confirmed that he will finish flying air ambulances in the summer
George, who will be four in July, will begin school in September.
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It is not clear yet when Charlotte, two in May, will begin nursery but she is expected to start her education in the capital.
Kensington Palace said the Duke and Duchess' wish to increase their official work on behalf of the Queen and for the charities they support meant they needed to be based in London.
The Cambridges will be based at Kensington palaces
Kensington Palace said the Duke and Duchess' wish to increase their official work
Prince George and Princess Charlotte at Christmas
Sun, December 25, 2016
Prince George of Cambridge and Princess Charlotte of Cambridge, life in pictures.
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Prince George eats a sweet as he leaves following the morning Christmas Day service
Their 22-room apartment at Kensington Palace, refurbished at a cost of £4.5 million to the taxpayer, was always meant to be their main residence but for the last two years they have spent more time at Anmer Hall on the Queen's Sandringham estate in Norfolk.
They are expected to retain the 10-bedroom Georgian mansion as a weekend retreat.