Chelmsford City Council in Essex, England is elected every four years. Since the last boundary changes in 2003 the council has comprised 57 councillors elected from 24 wards. [1] [2]
| Year | Conservative | Labour | Liberal Democrats [a] | Independents & Others | Council control after election | |||
|---|---|---|---|---|---|---|---|---|
| Local government reorganisation; council established (60 seats) | ||||||||
| 1973 | 30 | 16 | 8 | 6 | No overall control | |||
| New ward boundaries | ||||||||
| 1976 | 46 | 3 | 9 | 2 | Conservative | |||
| 1979 | 36 | 3 | 19 | 2 | Conservative | |||
| 1983 | 26 | 0 | 31 | 3 | Alliance | |||
| New ward boundaries; seats decreased from 60 to 56 | ||||||||
| 1987 | 24 | 0 | 29 | 3 | Alliance | |||
| 1991 | 29 | 2 | 21 | 4 | Conservative | |||
| 1995 | 13 | 7 | 32 | 4 | Liberal Democrats | |||
| 1999 | 21 | 5 | 28 | 2 | No overall control | |||
| New ward boundaries; seats increased from 56 to 57 | ||||||||
| 2003 | 35 | 2 | 20 | 0 | Conservative | |||
| 2007 | 33 | 0 | 24 | 0 | Conservative | |||
| 2011 | 40 | 1 | 15 | 1 | Conservative | |||
| 2015 | 52 | 0 | 5 | 0 | Conservative | |||
| 2019 | 21 | 0 | 31 | 2 | Liberal Democrats | |||
| 2023 | 21 | 0 | 33 | 3 | Liberal Democrats | |||
A by-election occurs when seats become vacant between council elections. Below is a summary of by-elections from 1983 onwards. [8] Full by-election results are listed under the last regular election preceeding the by-election and can be found by clicking on the ward name.
| Ward | Date | Incumbent party | Winning party | ||
|---|---|---|---|---|---|
| Moulsham Lodge | 10 November 1983 | Alliance | Alliance | ||
| Waterhouse Farm | 21 June 1984 | Alliance | Alliance | ||
| Boreham & Springfield | 7 February 1985 | Alliance | Alliance | ||
| St Andrew's | 11 July 1985 | Conservative | Labour | ||
| Boreham & Springfield | 5 December 1985 | Alliance | Alliance | ||
| Baddow Road | 20 March 1986 | Conservative | Alliance | ||
| Rettendon & Runwell | 4 May 1989 | Conservative | Conservative | ||
| South Woodham - Elmwood & Woodville | 22 February 1990 | Liberal Democrats | Liberal Democrats | ||
| Writtle | 8 December 1994 | Conservative | Liberal Democrats | ||
| Ward | Date | Incumbent party | Winning party | ||
|---|---|---|---|---|---|
| Old Moulsham | 16 September 1999 | Liberal Democrats | Conservative | ||
| Boreham | 6 July 2000 | Independent | Conservative | ||
| Woodham Ferrers & Bicknacre | 2 May 2002 | Conservative | Conservative | ||
| Little Baddow, Danbury & Sandon | 11 November 2004 | Conservative | Conservative | ||
| Trinity | 5 May 2005 | Liberal Democrats | Liberal Democrats | ||
| South Woodham - Elmwood & Woodville | 5 May 2005 | Conservative | Conservative | ||
| The Lawns | 15 September 2005 | Liberal Democrats | Liberal Democrats | ||
| Bicknacre & East & West Hanningfield | 23 February 2006 | Conservative | Conservative | ||
| Ward | Date | Incumbent party | Winning party | ||
|---|---|---|---|---|---|
| Broomfield & The Walthams | 11 September 2007 | Conservative | Liberal Democrats | ||
| Moulsham & Central | 14 December 2007 | Conservative | Liberal Democrats | ||
| Patching Hall | 28 June 2012 | Liberal Democrats | Liberal Democrats | ||
| Broomfield & The Walthams | 19 February 2013 | Independent | Liberal Democrats | ||
| South Woodham - Elmwood & Woodville | 5 December 2013 | Conservative | SWFCTA | ||
| Bicknacre & East & West Hanningfield | 9 October 2014 | Conservative | Conservative | ||
| Moulsham & Central | 4 May 2017 | Conservative | Conservative | ||
| Ward | Date | Incumbent party | Winning party | ||
|---|---|---|---|---|---|
| Marconi | 7 November 2019 | Liberal Democrats | Liberal Democrats | ||
| Moulsham Lodge | 6 May 2021 | Liberal Democrats | Conservative | ||
| Writtle | 1 July 2021 | Conservative | Conservative | ||
| Little Baddow, Danbury & Sandon | 5 May 2022 | Conservative | Conservative | ||
| Moulsham & Central | 1 May 2025 | Liberal Democrats | Liberal Democrats | ||
| Moulsham & Central | 1 May 2025 | Liberal Democrats | Liberal Democrats | ||