Here are a few useful links to help you find out about grants and other funding sources. It is also worth looking on your Local Authority website, quite often they will have a funding section.
https://www.tnlcommunityfund.org.uk/funding/programmes
https://www.grants4schools.info/ (Schools)
http://one-community.org.uk/ (Kirklees)
http://www.cffc.co.uk/ (Calderdale)
https://www.givebradford.org.uk/ (Bradford)
http://www.leedscf.org.uk/ (Leeds)
http://www.wakefieldcf.org.uk/ (Wakefield)
If you would like more detailed information please contact me here.