In 1951,
Rural West Constituency was renamed as Bukit Timah constituency. In 1955, the constituency was broken up to form various constituencies,
Bukit Panjang,
Pasir Panjang,
Queenstown,
Sembawang and
Southern Islands SMC. In 1959, it was further broken up to form
Jurong SMC. In 1972, the constituency was broken up to form
Bukit Batok SMC, followed by in 1980 distributed to
Ayer Rajah SMC,
Clementi SMC and
West Coast SMC with the growing development of Clementi, and in 1984 to
Yuhua SMC and
Hong Kah SMC with the growing development of Jurong East. In 1988, as part of Singapore's electoral reforms, the constituency was renamed as
Bukit Timah Single Member Constituency. In 1997, it was absorbed into
Bukit Timah GRC along with Bukit Batok SMC,
Jurong SMC,
Ulu Pandan SMC and Yuhua SMC. In 2001, the SMC was recreated as Bukit Timah GRC was broken up to form
Holland–Bukit Panjang GRC,
Jurong GRC and Bukit Timah SMC. In 2006, the SMC was absorbed into another GRC,
Holland–Bukit Timah GRC. == Member of Parliament ==