This is the true birthplace of Harry Potter, if you define 'birthplace' as the spot where I put pen to paper for the first time.* I was renting a room in a flat over what was then a sports shop. The first bricks of Hogwarts were laid in a flat in Clapham Junction. pic.twitter.com/HVORnPVboK

— J.K. Rowling (@jk_rowling) May 21, 2020