Mawneys (from 1965 to 2002 Mawney) is an electoral ward in the London Borough of Havering.
There was a revision of ward boundaries in Havering in 2022.
The election took place on 5 May 2022.
There was a revision of ward boundaries in Havering in 2002.
The election took place on 3 May 2018.
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 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.
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 by-election took place on 10 November 1983, following the resignation of Meirion Owens.
The election took place on 6 May 1982.
The election took place on 4 May 1978.
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.