This is where post-production funding comes in. For shorts the best source is the Regional Arts Board. For features the Film Council, with the British Screen arm will help. This is unlikely unless you have an off-line. Specialist firms can supply this form of funding.
Distribution Get the finished film onto the screen.
The British Council will help fund entries into international festivals and possibly prints and video copies to help with this. The distribution firms take on films and then finance the marketing, prints and physical distribution of the product. The funding of a film from start to finish. Most of the short film schemes will be of this nature. Features will always need to be in cooperation with another body.