All have an appeals procedure, which can be worth testing. European Social Fund. You cannot apply directly to them for money but they do fund places on some vocational courses. If you're offered one it will come with a training allowance. No list is readily available and courses funded in this way change frequently.
Some universities give a small number of awards from their own funds.
Ask the department to which you are applying. Graduate Teaching and Graduate Research Assistantships. These are salaried posts, usually offering the opportunity to register for a higher degree. Most are in science and engineering. Many are advertised internally, but they also may appear in Jobs.ac.uk or the press, particularly the Guardian , New Scientist , The Times or Times Higher Education Supplement .