Historic 1983–1997: The London Borough of Bexley wards of Blackfen, Blendon and Penhill, Cray, Lamorbey, St Mary's, Sidcup East, and Sidcup West.
1997–2010: The London Borough of Bexley wards of Blackfen, Blendon and Penhill, Cray, Danson, East Wickham, Falconwood, Lamorbey, St Mary's, Sidcup East, and Sidcup West. (yellow and green) from the
2010 general election 2010–2024: The London Borough of Bexley wards of Blackfen and Lamorbey, Blendon and Penhill, East Wickham, Falconwood and Welling, Longlands, St Mary's, and Sidcup. As its name suggests, the seat covers the Bexley and Sidcup areas; it formerly included Danson Park which owing to more development in the south was moved to the
Bexleyheath and Crayford constituency.
Current (yellow) to be used from the
2024 general election. Further to the
2023 periodic review of Westminster constituencies, which came into effect for the
2024 general election, the constituency is composed of: • The London Borough of Bexley wards of: Blackfen & Lamorbey; Blendon & Penhill; East Wickham; Falconwood & Welling; Longlands; St. Mary’s & St. James; Sidcup.
The revised contents take into account the local government boundary review for Bexley which became effective in May 2018. Boundaries were extended slightly by adding the parts of the expanded East Wickham and Falconwood & Welling wards previously in Bexleyheath and Crayford. ==Constituency profile==