# South West (London Assembly constituency)

South West is a constituency represented in the London Assembly. It is represented by Gareth Roberts of the Liberal Democrats.
It covers the combined area of the London Borough of Hounslow, the Royal Borough of Kingston upon Thames, and the London Borough of Richmond upon Thames.

## Overlapping constituencies

The equivalent seats in the House of Commons are:
* Brentford and Isleworth (Labour)
* Feltham and Heston (Labour)
* Hammersmith and Chiswick (Labour)
* Kingston and Surbiton (Liberal Democrats)
* Richmond Park (Liberal Democrats)
* Twickenham (Liberal Democrats)

## Assembly members

| Election | Member | Party |
| 2000 | Tony Arbour | Conservative |
| 2021 | Nick Rogers | Conservative |
| 2024 | Gareth Roberts | Liberal Democrats |

## Mayoral election results

Below are the results for the candidate which received the highest share of the popular vote in the constituency at each mayoral election.
| Year | Member | Party |
| 2000 | Ken Livingstone | Independent |
| 2004 | Steven Norris | Conservative |
| 2008 | Boris Johnson | Conservative |
| 2012 | Boris Johnson | Conservative |
| 2016 | Zac Goldsmith | Conservative |
| 2021 | Shaun Bailey | Conservative |
| 2024 | Sadiq Khan | Labour |

## Assembly election results

2024 London Assembly election: South West :
| Party | Party | Candidate | Constituency | Constituency | Constituency | List | List | List |
| Party | Party | Candidate | Votes | % | ±% | Votes | % | ±% |
| | Liberal Democrats | Gareth Roberts | 66,675 | 32.6 | 4.4 | 47,461 | 23.2 | |
| | Labour | Marcela Benedetti | 50,656 | 24.8 | 1.5 | 54,108 | 26.4 | |
| | Conservative | Ron Mushiso | 49,981 | 24.4 | 7.5 | 53,042 | 25.9 | |
| | Green | Chas Warlow | 17,696 | 8.6 | 2.1 | 19,980 | 9.8 | |
| | Reform UK | Steve Chilcott | 14,450 | 7.1 | 5.5 | 11,950 | 5.8 | |
| | Independent | Abigail Dawn Hardy | 5,205 | 2.5 | New | | | |
| | Rejoin EU | Rejoin EU | Rejoin EU | Rejoin EU | Rejoin EU | 5,165 | 2.5 | |
| | Animal Welfare | Animal Welfare | Animal Welfare | Animal Welfare | Animal Welfare | 3,618 | 1.8 | |
| | Britain First | Britain First | Britain First | Britain First | Britain First | 2,525 | 1.2 | |
| | CPA | CPA | CPA | CPA | CPA | 1,969 | 1.0 | |
| | SDP | SDP | SDP | SDP | SDP | 1,869 | 0.9 | |
| | Independent | Laurence Fox | Laurence Fox | Laurence Fox | Laurence Fox | 1,220 | 0.6 | |
| | Independent | Farah London | Farah London | Farah London | Farah London | 731 | 0.4 | |
| | Communist | Communist | Communist | Communist | Communist | 672 | 0.3 | |
| | Heritage | Heritage | Heritage | Heritage | Heritage | 389 | 0.2 | |
| | Independent | Gabe Romualdo | Gabe Romualdo | Gabe Romualdo | Gabe Romualdo | 127 | 0.1 | |
| Majority | Majority | Majority | 16,019 | 7.8 | N/A | | | |
| Valid Votes | Valid Votes | Valid Votes | 204,663 | | | 204,826 | | |
| Invalid Votes | Invalid Votes | Invalid Votes | 1,281 | | | 1,127 | | |
| Turnout | Turnout | Turnout | 205,944 | 45.2 | 2.6 | 205,953 | 45.2 | |
| | Liberal Democrats gain from Conservative | Liberal Democrats gain from Conservative | Swing | Swing | 6.0 | | | |
2021 London Assembly election: South West :
| Party | Party | Candidate | Votes | % | ±% |
| | Conservative | Nicholas Rogers | 69,212 | 31.9 | −7.6 |
| | Liberal Democrats | Gareth Roberts | 61,222 | 28.2 | +13.9 |
| | Labour Co-op | Candice Atterton | 56,945 | 26.3 | −3.1 |
| | Green | Andree Frieze | 23,135 | 10.7 | +1.5 |
| | Reform UK | Dominique Day | 3,396 | 1.6 | New |
| | Let London Live | Sylvia da Barca | 2,836 | 1.3 | New |
| Majority | Majority | Majority | 7,990 | 3.7 | −6.4 |
| Total formal votes | Total formal votes | Total formal votes | 216,746 | | |
| Informal votes | Informal votes | Informal votes | 2,840 | | |
| Turnout | Turnout | Turnout | 219,586 | 47.8 | |
| | Conservative hold | Conservative hold | Swing | | |
2016 London Assembly election: South West :
| Party | Party | Candidate | Votes | % | ±% |
| | Conservative | Tony Arbour | 84,381 | 39.5 | −0.3 |
| | Labour | Martin Whelton | 62,937 | 29.4 | +0.7 |
| | Liberal Democrats | Rosina Robson | 30,654 | 14.3 | −2.4 |
| | Green | Andree Frieze | 19,745 | 9.2 | −0.6 |
| | UKIP | Alan Craig | 14,983 | 7.0 | +2.1 |
| | Socialist (GB) | Adam Buick | 1,065 | 0.5 | New |
| Majority | Majority | Majority | 21,444 | 10.1 | −1.0 |
| Total formal votes | Total formal votes | Total formal votes | | | |
| Informal votes | Informal votes | Informal votes | | | |
| Turnout | Turnout | Turnout | 213,765 | | |
| | Conservative hold | Conservative hold | Swing | | |
2012 London Assembly election: South West :
| Party | Party | Candidate | Votes | % | ±% |
| | Conservative | Tony Arbour | 69,151 | 39.8 | −1.0 |
| | Labour | Lisa Homan | 49,889 | 28.7 | +12.7 |
| | Liberal Democrats | Munira Wilson | 28,947 | 16.7 | −9.8 |
| | Green | Daniel Goldsmith | 17,070 | 9.8 | +3.0 |
| | UKIP | Jeffrey Bolter | 8,505 | 4.9 | +2.9 |
| Majority | Majority | Majority | 19,262 | 11.1 | −3.2 |
| Total formal votes | Total formal votes | Total formal votes | 173,562 | 98.6 | |
| Rejected ballots | Rejected ballots | Rejected ballots | 2,518 | 1.4 | |
| Turnout | Turnout | Turnout | 176,080 | 40.2 | −5.2 |
| | Conservative hold | Conservative hold | Swing | | |
2008 London Assembly election: South West :
| Party | Party | Candidate | Votes | % | ±% |
| | Conservative | Tony Arbour | 76,913 | 40.8 | +7.8 |
| | Liberal Democrats | Stephen Knight | 49,985 | 26.5 | –3.8 |
| | Labour | Ansuya Sodha | 30,190 | 16.0 | –1.0 |
| | Green | John Hunt | 12,774 | 6.8 | +0.1 |
| | National Front | Andrew Cripps | 4,754 | 2.5 | New |
| | UKIP | Peter Dul | 3,779 | 2.0 | –6.4 |
| | Christian (CPA) | Sue May | 3,718 | 1.9 | –0.1 |
| | Free England Party | Andrew Constantine | 2,908 | 1.5 | New |
| | English Democrat | Roger Cooper | 1,874 | 1.0 | New |
| | Left List | Tansy Hoskins | 1,526 | 0.8 | New |
| Majority | Majority | Majority | 26,928 | 14.3 | +11.6 |
| Turnout | Turnout | Turnout | 188,421 | 45.4 | +6.9 |
| | Conservative hold | Conservative hold | Swing | +5.8 | |
2004 London Assembly election: South West :
| Party | Party | Candidate | Votes | % | ±% |
| | Conservative | Tony Arbour | 48,858 | 33.0 | –2.4 |
| | Liberal Democrats | Dee Doocey | 44,791 | 30.3 | +0.1 |
| | Labour | Seema Malhotra | 25,225 | 17.0 | –5.8 |
| | UKIP | A. G. Hindle | 12,477 | 8.4 | New |
| | Green | Judy Maciejowska | 9,866 | 6.7 | –3.1 |
| | Respect | O. M. Waraich | 3,785 | 2.6 | New |
| | CPA | P. J. Flower | 3,008 | 2.0 | New |
| Majority | Majority | Majority | 4,067 | 2.7 | –2.5 |
| Turnout | Turnout | Turnout | 148,010 | 38.5 | +3.1 |
| | Conservative hold | Conservative hold | Swing | –1.2 | |
2000 London Assembly election: South West :
| Party | Party | Candidate | Votes | % | ±% |
| | Conservative | Tony Arbour | 48,248 | 35.4 | N/A |
| | Liberal Democrats | Geoff Pope | 41,189 | 30.2 | N/A |
| | Labour | Jagdish Sharma | 31,065 | 22.8 | N/A |
| | Green | Judy Maciejowska | 13,426 | 9.8 | N/A |
| | London Socialist | Danny Faith | 2,319 | 1.7 | N/A |
| Majority | Majority | Majority | 7,059 | 5.2 | N/A |
| Turnout | Turnout | Turnout | 136,247 | 35.4 | N/A |
| | Conservative win (new seat) | Conservative win (new seat) | Conservative win (new seat) | Conservative win (new seat) | Conservative win (new seat) |