Voting intentions, 2015 - 17


Our poll of polls series is calculated as a seven point moving average with modifications so as to ensure the over saturation of the average by certain pollsters in publishing more regularly has no effect on the headline numbers.

The Conservatives have so far had an uninterrupted lead in our model since May 2015.

Voting intentions, 2010 - 15


Our polling average model for Westminster voting intentions from the 2010 to 2015 general elections is an amended seventeen point rolling average.

Voting intentions, 2005 - 10


Our polling average model for Westminster voting intentions from the 2005 to 2010 general elections is an amended seven point rolling average.