I came across this site today from the Aldingbourne Trust. It has a nice page for donors that provides them with a wide range of ways in which they can donate and support the work of the charity. These include online donations, taking part in challenges, playing the lottery, leaving a legacy, fundraising at work….. take a look
http://www.aldingbournetrust.co.uk/donate/

Another site I stumbled across is this page on community grants from Melton Borough Council. It may not be the largest directory of grants, but provides basic information on many trusts and foundations under these heading:

• The Arts & Culture
• Business & Social Enterprises
• Children & Young People
• Community
• Education & Training
• Environment, Energy & Waste
• Health & Social Welfare
• Heritage
• Sports & Recreation
• Tourism & Leisure

http://www.melton.gov.uk/directory/27/community_grants