From the ticket hall at Green Park station take the Royal Academy exit. At street-level turn left on Piccadilly and walk straight, passing by the Audi dealership. You will see the Ritz across the road. Remain on the left-hand side of Piccadilly, you will walk past Boots, a tourist gift shop, a discount suit shop, and finally, Cafe Nero and Cafe Concerto. As you pass Accessorize cross over the other side of Piccadilly towards Pattiserie Valerie, Pret, and Itsu. Continue walking on this side of Piccadilly, you pass Cath Kidson and cross over Duke Street until you reach the main entrance of Fortnum & Mason. Walk inside passing through their tea and fine chocolate sections, you’ll see a flight of stairs ahead of you. Walk up the red velvet carpeted stairs to the second floor. Upon entering the second floor take a left and walk past the soap and makeup aisles and carry on walking towards the back of this room. Once you’ve reached the children’s clothing section you will find a sign to the toilets on the left-hand side.