Another pollster comments:
The apparent shortage of former Brexit Party voters from the Survation sample may, however, be due to Brexit voters forgetting or misreporting that they backed that party in 2019. This problem of faulty recall is far more common than many people realise, and is the crux of the defence Survation has made of its figures.
Andy Hagon is the Liberal Democrat candidate.
Full details on the Survation website.