14 Ways I help Labour win the next election (Tip 12) by Ryan Chamberlain

12. Run for Town/Parish Council
The Conservative Party pride themselves on having the most local councillors. Becoming a councillor isn't a huge commitment and like many volunteer roles it's what you make of it. I'd say a local council might take 10 hours a month; this can be a huge commitment if you're working full time.
 
Many local councils aren't contested by election instead lots of local councils co-opt members of the community. I get the impression that a lot of these councils are "clubs". (I must stress not through anyone I've met.)