 The ward only exist for one term until 1997.Bishan and Thomson, along with Toa Payoh GRC, was merged to create Bishan–Toa Payoh GRC, while Serangoon Gardens was absorbed into three constituencies, namely Aljunied GRC, Ang Mo Kio GRC and Marine Parade GRC.Tiong Bahru Group Representation Constituency

Tiong Bahru GRC is a group representation constituency that from 1988 to 1991, comprised Henderson, Radin Mas, and Tiong Bahru, in Singapore.