Pebble Mill Studios was the BBC's television studio complex located in Edgbaston, Birmingham, England, United Kingdom, which served as the headquarters for BBC Birmingham from 1971 until 2004. The nine-acre site was opened by Princess Anne on 10 June 1971, and in addition to the studios contained two canteens, a post office, gardens, a seven-storey office block, and an outside broadcasting (OB) base.