South Hornchurch is an electoral ward in the London Borough of Havering. The ward has existed since the creation of the borough on 1 April 1965 and was first used in the 1964 elections. It returns councillors to Havering London Borough Council. There was a revision of ward boundaries in 1978, 2002 and 2022. The revision in 2022 reduced the number of councillors from three to two.
The 1965, 1978 and 2002 versions of the ward covered a large area of southern Hornchurch extending northwards from the River Thames, including the industrialised Hornchurch Marshes area. Since 2022 the ward has corresponded with the South Hornchurch neighbourhood.
Councillors elected by party at each general borough election.
There was a revision of ward boundaries in Havering in 2022. South Hornchurch lost territory in the south to Rainham and Wennington and the new ward of Beam Park. The number of councillors representing the ward was reduced from three to two.
The election took place on 5 May 2022.
There was a revision of ward boundaries in Havering in 2002. Territory was gained in the northeast from the abolished Airfield ward and some territory was transferred to Elm Park ward in the northwest.
The election took place on 3 May 2018. Michael-Deon Burton stood as an independent candidate at the election and joined the Conservative Party immediately after the election.
The election took place on 22 May 2014.
The election on 6 May 2010 took place on the same day as the United Kingdom general election.
The by-election took place on 3 July 2008, following the death of Leonard Long.
The election took place on 4 May 2006.
The election took place on 2 May 2002. As an experiment, it was a postal voting election, with the option to hand the papers in on election day.
There was a revision of ward boundaries in Havering in 1978. Some territory in the northeast was transferred to the new Airfield ward.
The election on 7 May 1998 took place on the same day as the 1998 Greater London Authority referendum.
The election took place on 5 May 1994.
The election took place on 3 May 1990.
The election took place on 8 May 1986.
The election took place on 6 May 1982.
The election took place on 4 May 1978.
The ward established in 1965 covered the area from the southern boundary of the Elm Park estate the River Thames including the Hornchurch Marshes and most of South Hornchurch, with some eastern sections in Rainham ward.
The election took place on 2 May 1974.
The election took place on 13 May 1971.
The election took place on 9 May 1968.
The election took place on 7 May 1964.