The Knowledge
Below are a list of very useful contacts to help you in your quest
Funding - National
UK Film Council
This is the daddy of all funding organisations. Whether it's a feature length, a short, training or distribution, these people will have a scheme for you.
http://www.ukfilmcouncil.org.uk/filmmaking/funding/
media desk
These people will be starting a new round of funding for 2007.
http://www.mediadesk.co.uk/information/mediaprogramme/ There is info on funding that has expired, but the criteria will be very similar.
http://www.mediadesk.co.uk/funding/
Northern Ireland Film Production Fund
Loads of different funds for lots of film and TV projects for people in Northern Ireland. To qualify, your project should meet cultural criteria regarding the representation of Northern Ireland.
http://www.niftc.co.uk/page.asp?id=8
Skillset
Grants for individuals and organisations for training and skills development for the world of film and TV. Very useful site with lots on it.
http://www.skillset.org/funding/
First Light Movies
Provides funding for short film projects involving young people up to the age of 18.
http://www.firstlightmovies.com/funding.php