Sheffield City Centre Kelham Island Quarter. In the 21st century it has become dominated by new office developments and apartment complexes. The Riverside Exchange and West Bar developments are a significant part of this change and have seen the area transformed dramatically. Also in this area is the St Vincent Quarter which lies on the opposite bank of the River Don to the Riverside Exchange area. The Sheaf Valley Area, surrounding the River Sheaf, is dominated by Sheaf Square/Sheffield Station and the Cultural Industries Quarter (CIQ). Sheaf Square, which has been completely redeveloped in recent years, now serves as gateway to the city
Economy of Sheffield public, such as the Abbeydale Industrial Hamlet and the Kelham Island Museum. Northwest of the city lies Wortley Top Forge, which was a heavy ironworks of international renown. It is a site of historical and industrial importance, contributing to Sheffield's reputation for manufacturing high-quality, precision steel goods, though actually it is located within the boundaries of neighbouring Barnsley. This is a chart of trend of regional gross value added (GVA) of Sheffield at current basic prices published (pp. 240–253) by "Office for National Statistics" with figures in millions of British Pounds Sterling. The city spearheaded the knowledge advances which gave