RIBA is based at 66 Portland Place, London—a 1930s Grade II* listed building designed by architect <answer>George Grey Wornum</answer> with sculptures by Edward Bainbridge Copnall and James Woodford. Parts of the London building are open to the public, including the Library. It has a large architectural bookshop, a café, restaurant and lecture theatres. Rooms are hired out for events.
Who designed RIBA's headquarters?
George Grey Wornum