Windsor and Maidenhead Borough Council elections

Windsor and Maidenhead Borough Council is the local authority for the Royal Borough of Windsor and Maidenhead, which is a unitary authority in Berkshire, England. Until 1 April 1998 it was a non-metropolitan district. Elections are held every four years. Since the last boundary changes in 2019 there have been 41 councillors elected from 19 wards.^[1]

Council elections

Non-metropolitan district elections

• 1973 Windsor and Maidenhead Borough Council election
• 1976 Windsor and Maidenhead Borough Council election
• 1979 Windsor and Maidenhead Borough Council election
• 1983 Windsor and Maidenhead Borough Council election (New ward boundaries)^[2]
• 1987 Windsor and Maidenhead Borough Council election
• 1991 Windsor and Maidenhead Borough Council election (Borough boundary changes took place but the number of seats remained the same)^[3]
• 1995 Windsor and Maidenhead Borough Council election

Unitary authority elections

• 1997 Windsor and Maidenhead Borough Council election
• 2000 Windsor and Maidenhead Borough Council election
• 2003 Windsor and Maidenhead Borough Council election (New ward boundaries reduced the number of seats by 1)^[4][5][6]
• 2007 Windsor and Maidenhead Borough Council election
• 2011 Windsor and Maidenhead Borough Council election
• 2015 Windsor and Maidenhead Borough Council election
• 2019 Windsor and Maidenhead Borough Council election (New Ward Boundaries and significant reduction in number of seats)^[1]
• 2023 Windsor and Maidenhead Borough Council election

Borough result maps

• 
  2007 results map
• 
  2023 results map

By-election results

1997–2000

Trinity By-Election 18 September 1997

Party		Candidate	Votes	%	±%
	Liberal Democrats		682	51.6	−1.5
	Conservative		502	38.0	+5.0
	Labour		103	7.8	−3.1
	Independent		25	1.9	+1.9
	Independent		10	0.8	+0.8
Majority			180	13.6
Turnout			1,322	30.0
	Liberal Democrats hold		Swing

Oldfield By-Election 21 May 1998

Party		Candidate	Votes	%	±%
	Conservative		737	46.7	+1.8
	Labour		539	34.2	−0.6
	Liberal Democrats		301	19.1	−1.2
Majority			198	12.5
Turnout			1,577	26.4
	Conservative hold		Swing

Park By-Election 4 June 1998

Party		Candidate	Votes	%	±%
	Liberal Democrats		887	52.3	−4.6
	Conservative		724	42.6	+7.7
	Labour		88	5.2	−3.1
Majority			163	9.7
Turnout			1,699	34.0
	Liberal Democrats hold		Swing

Eton Wick By-Election 26 November 1998

Party		Candidate	Votes	%	±%
	Labour		507	51.5	+15.3
	Conservative		347	35.3	−1.2
	Liberal Democrats		95	9.7	−18.2
	Independent		35	3.6	+3.6
Majority			160	16.2
Turnout			984	50.8
	Labour gain from Conservative		Swing

Sunninghill By-Election 25 March 1999

Party		Candidate	Votes	%	±%
	Conservative		821	51.2	−4.8
	Liberal Democrats		783	48.8	+18.3
Majority			38	2.4
Turnout			1,604	27.5
	Conservative hold		Swing

2000–2010

Sunninghill By-Election 6 December 2001^[7]

Party		Candidate	Votes	%	±%
	Conservative	David Hilton	752	51.1	−7.0
	Liberal Democrats	Enid Cross	660	44.8	+2.9
	Labour	Kevin Cochrane	60	4.1	+4.1
Majority			92	6.3
Turnout			1,472
	Conservative hold		Swing

Clewer North By-Election 3 October 2002^[7]

Party		Candidate	Votes	%	±%
	Independent	Eileen Penfold	599	69.9	+9.9
	Labour	Andrew Foakes	258	30.1	+10.7
Majority			341	39.8
Turnout			857	18.1
	Independent hold		Swing

Clewer North By-Election 31 October 2003^[7]

Party		Candidate	Votes	%	±%
	Independent	John Penfold	544	42.2	+16.5
	Conservative	Peter Smith	325	25.2	+13.0
	Liberal Democrats	Helen Salmon	298	23.1	+15.8
	Labour	Andrew Foakes	121	9.4	+2.4
Majority			219	17.0
Turnout			1,288	22.5
	Independent hold		Swing

Horton and Wraysbury By-Election 16 June 2005^[7]

Party		Candidate	Votes	%	±%
	Conservative	Colin Rayner	595	54.4	+16.9
	Independent	Ewan Larcombe	499	45.6	−11.9
Majority			96	8.8
Turnout			1,094
	Conservative gain from Independent		Swing

Eton Wick By-Election 22 September 2005^[7]

Party		Candidate	Votes	%	±%
	Conservative	Stephen Smith	405	48.9	+11.8
	Labour	Marie Wilson	250	30.1	−32.8
	Independent	Peter Lawless	115	13.9	+13.9
	Liberal Democrats	Moray Barclay	59	7.1	+7.1
Majority			155	18.8
Turnout			829	49.0
	Conservative gain from Labour		Swing

Sunninghill & South Ascot By-Election 6 April 2006^[7]

Party		Candidate	Votes	%	±%
	Conservative	John Story	1,039	60.5	+12.2
	Liberal Democrats	Enid Cross	679	39.5	+2.6
Majority			360	21.0
Turnout			1,718	38.0
	Conservative hold		Swing

Datchet By-Election 4 October 2007^[7]

Party		Candidate	Votes	%	±%
	Conservative	Gary Muir	799	63.8	−8.6
	Liberal Democrats	Tim O'Flynn	352	28.1	+12.0
	Independent	Ewan Larcombe	102	8.1	+8.1
Majority			447	35.7
Turnout			1,253	35.8
	Conservative hold		Swing

2011–2015

Park By-Election 6 January 2011^[8][9]

Party		Candidate	Votes	%	±%
	Conservative	Natahsha Lavender	637	64.4	+2.2
	Liberal Democrats	Richard Fagence	156	15.8	−18.0
	Labour	Laura Binnie	149	15.1	+11.0
	Independent	Derek Prime	47	4.8	+4.8
Majority			481	48.6
Turnout			989	27
	Conservative hold		Swing

Eton and Castle By-Election 11 August 2011^[7]

Party		Candidate	Votes	%	±%
	Liberal Democrats	George Fussey	208	47.4	+19.6
	Conservative	Adam Demeter	182	41.5	−23.7
	Labour	George Davidson	32	7.3	+0.3
	UKIP	John-Paul Rye	17	3.9	N/A
Majority			26	5.9
Turnout			439	27.9	−28.6
	Liberal Democrats gain from Conservative		Swing	21.7

Pinkneys Green By-Election 25 October 2012^[10]

Party		Candidate	Votes	%	±%
	Liberal Democrats	Simon Werner	839	43.2	+0.2
	Conservative	Catherine Hollingsworth	831	42.8	−3.3
	UKIP	George Chamberlaine	152	7.8	+7.8
	Labour	Patrick McDonald	121	6.2	−4.7
Majority			8	0.4
Turnout			1,943
	Liberal Democrats gain from Conservative		Swing

Clewer North By-Election 24 July 2014^[11]

Party		Candidate	Votes	%	±%
	Independent	Wisdom da Costa	878	57.7	+57.7
	Conservative	John Collins	486	31.9	−4.6
	Labour	Peter Shearman	158	10.4	−3.0
Majority			392	25.8
Turnout			1,522
	Independent hold		Swing

Cox Green By-Election 11 December 2014^[12]

Party		Candidate	Votes	%	±%
	Conservative	Ross McWilliams	738	50.7	−2.2
	Liberal Democrats	Gareth Jones	315	21.6	−10.9
	UKIP	Lance Carter	278	19.1	+19.1
	Labour	Robert Horner	124	8.5	−1.1
Majority			423	29.1
Turnout			1,455
	Conservative hold		Swing

2015–2019

Maidenhead Riverside By-Election 10 March 2016^[13]

Party		Candidate	Votes	%	±%
	Conservative	Judith Diment	916	53.4	+4.5
	Liberal Democrats	Saghir Ahmed	397	23.2	+7.7
	Independent	Jeff Lloyd	162	9.5	+9.5
	Labour	Nigel Smith	144	8.4	−4.3
	UKIP	George Chamberlaine	95	5.5	−5.8
Majority			519	30.3
Turnout			1,714
	Conservative hold		Swing

Sunninghill and South Ascot By-Election 23 June 2016^[14]

Party		Candidate	Votes	%	±%
	Conservative	Julian Sharpe	1,443	57.2	+15.1
	Labour	Spike Humphrey	601	23.8	+13.2
	Liberal Democrats	Tamasin Barnbrook	264	10.5	−2.5
	UKIP	Nicole Fowler	214	8.5	−1.8
Majority			842	33.4
Turnout			2,522
	Conservative hold		Swing

Clewer North By-Election 4 May 2017^[15]

Party		Candidate	Votes	%	±%
	Independent	Wisdom da Costa	805	35.5	+1.5
	Conservative	Lars Swann	784	34.6	−11.9
	Liberal Democrats	Amy Tisi	405	17.9	+17.9
	Labour	Michael Boyle	273	12.0	−7.5
Majority			21	0.9
Turnout			2,267
	Independent gain from Conservative		Swing

Datchet By-Election 22 November 2018^[16]

Party		Candidate	Votes	%	±%
	Conservative	David Cannon	525	56.0	−3.0
	Flood Prevention	Ewan Larcombe	223	23.8	+23.8
	Labour	Deborah Foster	121	12.9	−8.5
	Liberal Democrats	Tim O'Flynn	48	5.1	−14.5
	Green	Christopher Moss	21	2.2	+2.2
Majority			302	0.9
Turnout			938
	Conservative hold		Swing

2019–2023

Riverside By-Election 30 October 2019^[17]

Party		Candidate	Votes	%	±%
	Conservative	Gregory Jones	794	41.1	+5.7
	Liberal Democrats	Kashmir Singh	566	29.3	+9.5
	Borough First	Claire Stretton	428	22.1	−6.1
	Labour	Sharon Bunce	70	3.6	−4.0
	Green	Craig McDermott	60	3.1	−5.9
	Women's Equality	Deborah Mason	16	0.8	+0.8
Majority			228	11.8
Turnout			1,934
	Conservative hold		Swing

2023–2027

Ascot and Sunninghill By-Election 17 October 2024^[18]

Party		Candidate	Votes	%	±%
	Conservative	Sally Coneron	1,264	58.5
	Liberal Democrats	George Jezard	703	32.6
	Borough First	Matt Newman	118	5.5
	Labour	Nigel Hayward	74	3.4
Majority			561	26.0
Turnout			2,159
	Conservative hold		Swing