Study carried out by Hope not hate and Best for Britain by Focaldata using MRP technique to estimate voting intention in each constituency in Great Britain. Focaldata collected data from 28,000 respondents between November and December 2019, 39,000 in November 2019 and 46,000 between September and October 2019 using a range of online panel providers, including Opinium, BMG, and Focaldata’s own panel.