What is the importance of Kensington Palace is the novel, Red, White & Royal Blue?

Kensington Palace is the residential home of the Royal Family of Britain, and as a result, Henry's home as well. Though Henry has lived there most of his life, he does not feel comfortable in his surroundings, as he does not embrace the royal life as much as his brother Phillip. Kensington Palace is where Alex sees Henry vulnerable for the first time when the latter comes to the guest kitchen to get his favorite ice cream.