Nottinghamshire County Council run excellent FREE online and in-person workshops to any group based in or around the local area. They are free to attend, cover the basics of funding bids as well as great tips for using AI.
You will get to have a go scoring fictional applications to help you understand what assessors are looking for.
These sessions do book up quickly! At the time of writing, these workshops have spaces remaining (but if you miss out this time, they are always adding more dates to their website):
Nottinghamshire County Council also have a free guide to help secure funding that you can download. It explains why you should consider having a funding strategy, how to craft a strong application, and how to manage your grants once you receive them.