Local government association guidance and notes on regulations
Electoral commission guidance and regulations
Institute for Government background paper
House of Commons Library briefing impact of Covid
Elections centre website has details historic data and charts on local elections from Colin Rallings and Michael Thrasher Associate Members of Nuffield College, Oxford
Britain elects polls aggregator
Academic/ think tank analysis
Institute for Government news and analysis
LSE British politics and policy blog
Conversation academic analysis
What UK thinks Natcen polls John Curtice analysis
Electoral reform Society critique of electoral system