Dave Smith, Senior Corporate Manager (Research), Sheffield City Council

Town Hall extension (known as the Eggbox), Sheffield City Council, Norfolk Street. Opened August 1977

View of the Town Hall from the grassed roof of the Town Hall extension (known as the Eggbox), Sheffield City Council, Norfolk Street

Floor plans, Town Hall extension (known as the Eggbox), Sheffield City Council, Norfolk Street

Shops on Pond Street showing (left) Pond Street bus station and (right) Minerva, coffee lounge and restaurant

Escalators to Top Rank, c.1970s

View of Pond Street bus station showing (centre) Sheffield City Polytechnic library and Sheaf House

Pond Street bus station showing (back centre) Claywood Flats

Walkway above Pond Street with escalators, c.1970s

Footbridge to Pond Street bus station showing (back) Royal Mail sorting office, Pond Hill, c.1970s