Location, design, cleanliness and charm are all fine. The beer's great too.
But the food was a huge letdown. The beef was overcooked and tasteless, the gravy was from a packet and tasteless. Admittedly it was a Saturday evening and quite late. But a big disappointment on our last evening in London.
This pub is named after Queen Charlotte, wife of King George III, who was being treated for his insanity at a doctor's house in Queen Square where this pub is located. The Queen rented a small cellar beneath the pub to keep the special foods which King George needed. There is a dining room upstairs which overlooks the square. Catering for private parties of up to 70 guests is available upon request and seating on the pavement area is provided, weather permitting.