Westminster City Council elections

Westminster City Council, the local authority of the City of Westminster in London, England, is elected every four years. Since the last boundary changes in 2022 the council has comprised 54 councillors representing 18 wards, with each ward electing three councillors. Elections are held every four years.

Results summary
From the first elections to the council in 1964 until 2022, overall political control of the council was held by the Conservatives, with Labour gaining control in 2022:

Council elections

 * 1964 Westminster City Council election
 * 1968 Westminster City Council election (boundary changes took place, but the number of seats remained the same)
 * 1971 Westminster City Council election
 * 1974 Westminster City Council election
 * 1978 Westminster City Council election (boundary changes took place, but the number of seats remained the same)
 * 1982 Westminster City Council election
 * 1986 Westminster City Council election
 * 1990 Westminster City Council election
 * 1994 Westminster City Council election (boundary changes took place, but the number of seats remained the same)
 * 1998 Westminster City Council election
 * 2002 Westminster City Council election (boundary changes took place, but the number of seats remained the same)
 * 2006 Westminster City Council election
 * 2010 Westminster City Council election
 * 2014 Westminster City Council election
 * 2018 Westminster City Council election
 * 2022 Westminster City Council election (boundary changes reduced the number of seats by six)

1974–1978
There were no by-elections.

1971–1982
There were no by-elections.

1982–1986
The by-election was called following the resignation of Michael B. Forsyth.

The by-election was called following the resignation of Francis Maude.

The by-election was called following the death of Jean Merriton.

1986–1990
The by-election was called following the resignation of Peter J. Hartley.

The by-election was called following the resignation of Rachel E. Whittaker.

The by-election was called following the resignation of Patricia M. Kirwan.

1990–1994
The by-election was called following the resignation of Barry C. Legg.

The by-election was called following the resignation of Shirley Porter.

The by-election was called following the resignation of Joseph Glickman.

The by-election was called following the death of Hugh G. Garside.

1994–1998
The by-election was called following the resignation of Peter C. S. Bradley.

The by-election was called following the resignation of Karen P. Buck.

The by-election was called following the resignation of Andrew H. Dismore.

1998–2002
The by-election was called following the resignation of Nicola Russell.

The by-election was called following the resignation of Richard A. Stirling-Gibb.

The by-election was called following the resignation of Ron M. Harley.

The by-election was called following the resignations of Jillian A. Selbourne and Gary P. Martin.

The by-election was called following the resignation of Jonathan S. Djanogly.

2002–2006
The by-election was called following the resignation of Josephine S. Ohene-Djan.

2006–2010
The by-election was called following the death of Kevin A. Gardner.

The by-election was called following the resignation of Michael G. Vearncombe.

The by-election was called following the death of Antony G. Mothersdale.

The by-election was called following the resignation of Simon H. Milton.

The by-election was called following the death of Ian G. Wilder.

The by-election was called following the death of Mushtaq A. Qureshi.

2010–2014
The by-election was called following the resignation of Colin Barrow.

The by-election was called following the resignation of Harvey C. J. Marshall.

2014–2018
The by-election was called following the resignation of Edward J. C. Argar.

The by-election was called following the resignation of Nilavra Mukerji.

The by-election was called following the death of Audrey R. Lewis.

The by-election was called following the resignation of Vincenzo Rampulla.

2018–2022
The by-election was called following the resignation of Robert J. Davis. The by-election was called following the resignation of Andrea Mann.

2022-2026
The by-election was caused by the resignation of Amanda Langford.