Louise Mensch Conservative Andy Sawford Labour On 15 November 2012, a by-election was held for the UK House of Commons constituency of Corby.

Louise Mensch was appointed Steward and Bailiff of the Manor of Northstead, thereby resigning her seat in the House of Commons, on 29 August 2012.

"[4] A poll conducted 12–18 October by Lord Ashcroft in the constituency found 54% for Labour, 32% for the Conservatives, 10% for the Liberal Democrats and 8% for other candidates.

[5] James Delingpole, a Daily Telegraph journalist who denies anthropogenic global warming, stated his intention to run as an independent, on a platform opposing wind farms.

[8] A recount delayed the declaration of the result, called by the agent of the Liberal Democrat candidate, Jill Hope, who came 13 votes short of holding her deposit.