Thanks to our amazing volunteers, a CSV file of the 4 May English local election results (including votes cast for each candidate) can be downloaded from our candidate database: https://candidates.democracyclub.org.uk/uk_results/
We don't yet collect votes cast in STV elections, but downloading our candidate CSV for 18 May will give you the winners in Northern Ireland: https://candidates.democracyclub.org.uk/api/docs/csv/