Bishop's Bridge station, the original London passenger terminus of the Great Western Railway was on this site west of Bishop's Bridge Road. After Paddington was built, it was used for the railway's goods sheds until the 1980s. It is now a mixed-use development, with offices, flats and retail units. Phase I is Sheldon Square which is named after Sir Joseph Sheldon, a Lord Mayor of London who in 1678 rebuilt what became the church of St Mary's on Paddington Green. Sheldon Square has of built space built around a grass amphitheatre which features live music in summer. The biggest structures are two office blocks of and let to companies such as Prudential and Kingfisher; there are 219 flats and of retail space. Sheldon Square was designed by Sidell Gibson and developed as a joint venture between Development Securities, Insight Investment Management and Aviva Investors.