Frequently Asked Questions — Romsey and Southampton North Constituency

Who won the Romsey and Southampton North constituency election in 2005?

Liberal Democrats gained Romsey and Southampton North constituency at the 5 May 2005 General Election, taking the seat from Conservative. Liberal Democrats won with a majority of 125 votes (0.3%). Turnout was 69.7%.

What was the swing in Romsey and Southampton North at the 2005 election?

The swing in Romsey and Southampton North was 10.7% from CON to LD — a modest shift towards LD. Swing is calculated using the Butler two-party formula: the average of the change in winner's vote share and the fall in the runner-up's vote share compared to the previous election here.

What does swing mean in UK elections?

Swing measures how much support has shifted between two parties compared to a previous election. The Butler swing formula — used in British election reporting since the 1950s — takes the average of the gain in the winner's vote share and the loss in the runner-up's. A 5% swing is considered large at ward level; anything above 10% is exceptional. The swing figure for Romsey and Southampton North in 2005 is shown in the statistics above.