They have used their family funds and furniture, paintings and ornaments from the Royal Collection, which is held in trust for the nation by the sovereign, to decorate the four-storey apartment.
External repairs and other refurbishments, including a modern kitchen and an environmentally-friendly heating and hot water system, have been paid for by the taxpayer.
Kate, who will appear in public occasionally during her maternity leave, is to undertake her first solo royal engagement since George’s birth on October 18 when she will join Olympic and Paralympic athletes playing sports with young athletes in London’s Olympic Park.
William, who left his job as an RAF search and rescue pilot last month, is planning a series of royal engagements mixed with longer-term projects and placements with charities and public bodies. “It’s going to be an extremely busy 12 months,” a senior aide said. Click link for full post from EXPRESS.