Look at these websites that may be relevant to your area of research:
- ESRC - Economic and Social Research Council
- Research Councils UK
- Vitae - doctoral funding
- Research and Innovation Office provide support in preparing bids for funding and have a tool, Pivot for identifying research funding opportunities
Also look at these directories on Floor 0C of the library:
- The Guide to Educational Grants by The Directory of Social Change
- The Grants Register - complete guide to post graduate funding worldwide
Academic mailing lists
Join academic mailing list services such as JISCmail to keep up to date with your research.
Also look at Vitae and the UK Research Staff Association.