UK Polling History: Election of 30 May 1929 – Llandaff and Barry
Result summary
| Parties | |||
| Labour | Conservative | Liberal | |
| Votes | 21,468 | 18,799 | 12,352 |
| Votes gained | +9,859 | +2,998 | +5,963 |
| Share of votes | 40.8% | 35.7% | 23.5% |
| Share of eligible voters | 33.6% | 29.5% | 19.4% |
| Gain in share of votes | +6.5% | -11.0% | +4.6% |
| Gain in share of eligible voters | +6.1% | -8.0% | +4.2% |
| Total votes: | 52,619 | |
| Electorate: | 63,802 | |
| Turnout: | 82.5% | |
| Outcome: | Labour gain from Conservative | |
| Swing: | 8.7% | Labour from Conservative |
Polling history
List of contests
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Constituency formed from South Glamorganshire 14 December 1918 |
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Constituency succeeded by Barry, Cardiff West 23 February 1950 |
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| Date | Type | Parties | |||
| Conservative | Labour | Liberal | Independent | ||
| Date | Type | Parties | |||
| Conservative | Labour | Liberal | Independent | ||
| 5 July 1945 | General Election | 27,108 | 33,706 | 10,132 | |
| 14 November 1935 | General Election | 29,099 | 27,677 | ||
| 27 October 1931 | General Election | 33,590 | 21,767 | ||
| 30 May 1929 | General Election | 18,799 | 21,468 | 12,352 | |
| 29 October 1924 | General Election | 15,801 | 11,609 | 6,389 | |
| 6 December 1923 | General Election | 11,050 | 7,871 | 10,213 | |
| 15 November 1922 | General Election | 13,129 | 9,031 | 7,577 | |
| 14 December 1918 | General Election | 13,307 | 6,607 | 1,539 | |