Election 2015: Voters in Barnoldswick have their say
Of the 72 seats in the North West, 27 are classified as "marginal" - meaning that there is a very real chance of them changing hands at the general election.
The parties focus the vast majority of their time and money in such constituencies, knowing that they will play a crucial role in deciding who will be in Downing Street after 7 May.
The Lancashire seat of Pendle, formed in 1983, is one of those key marginals - Roger Johnson from BBC North West Tonight reports from Barnoldswick.