Which are the most affordable universities in London?

The cheapest universities in london include:

1. University of East London (UEL): average fee = ~£15,560
2. London Metropolitan University: average fee = £13,000 - £18,000
3. University of West London: average fee = £11,000 - £15,000
4. University of Greenwich: average fee = £13,000 - £20,000