1997: Creation and WP contest Prior to the
1997 general election, West Coast GRC was created from the GRCs of
Brickworks, which was abolished at the same election, and
Tanjong Pagar; it was assigned four
Members of Parliament (MPs). The governing
People's Action Party (PAP) defeated the
Workers' Party (WP) with 70.14% of the vote.
2001–2006: Walkovers In the
2001 general election,
Boon Lay Single Member Constituency (SMC) was abolished and absorbed into West Coast GRC, which gained one MP to become a five-member GRC. The PAP team won unopposed. In the
2006 general election, the GRC absorbed
Ayer Rajah SMC;
Tan Cheng Bock, incumbent PAP MP for the SMC and future opposition politician, made his initial retirement from politics at the same election. The PAP team won unopposed for the second consecutive election.
2011–2015: RP contests In the
2011 general election,
Pioneer SMC was carved out of West Coast GRC; the PAP defeated the
Reform Party (RP) with 66.57% of the vote. At the same election,
Lawrence Wong, future
Prime Minister and MP for
Marsiling–Yew Tee GRC, made his political debut as a PAP candidate for West Coast GRC. He was assigned to the Boon Lay division. In the
2015 general election, West Coast GRC lost its
Clementi division to
Jurong GRC, becoming a four-member GRC in the process. The PAP defeated the RP with 78.57% of the vote. During the election,
Desmond Lee and
Ang Wei Neng, both incumbent PAP MPs for Jurong GRC, were redeployed to the GRC. Tan, meanwhile, contested West Coast GRC, personally leading the PSP's "
A-team"; In its worst performance in the history of West Coast GRC, the PAP defeated the PSP with 51.68% of the vote.
2025: Abolition Prior to the 2025 general election, West Coast GRC was abolished, with the majority of its area being merged into the new
West Coast–Jurong West GRC. Estates in
Telok Blangah and
Dover were reassigned to
Tanjong Pagar GRC, while those in
Harbourfront and on the offshore island of
Sentosa were reassigned to
Radin Mas SMC alongside the
Southern Islands. ==Members of Parliament==