Erith and Thamesmead (/ˈɪərɪθ ... tɛmzmiːd/) is a constituency[n 1] created in 1997 and represented in the House of Commons of the UK Parliament since 2019 by Abena Oppong-Asare of the Labour Party.

The seat was then held for Labour by a local activist Teresa Pearce, who defeated the Conservative candidate Colin Bloom, a councillor for Bickley ward in Bromley.

[2] In April 2009, an investigation took place into the tampering of ballot boxes and abuse of the postal vote system used for the selection of the prospective Labour candidate for Erith and Thamesmead.

The remaining wards from Bexley and Greenwich have traditionally seen more support for the Labour Party, in both local and national elections.

1997–2010: The London Borough of Bexley wards of Belvedere, Erith, Northumberland Heath, and Thamesmead East, and the London Borough of Greenwich wards of Abbey Wood, Eynsham, Glyndon, Lakedale, St Nicholas, and Thamesmead Moorings.