The Duke and Duchess of Cambridge are to make a four-day official visit to Norway and Sweden in January and February.

William and Kate will travel to the Nordic countries at the request of the Foreign and Commonwealth Office, Kensington Palace has said.

The royal couple will visit the Swedish capital, Stockholm, from January 30-31 then travel to Norway’s capital, Oslo, from February 1-2.

The duchess, who is expecting her third child, will be well into her pregnancy when she makes the trip.