If you are a member of the BSFA (British Science Fiction Association) then you should be aware of their semi-annual magazine, Focus.  The latest edition should be arriving through members’ letterboxes around now  and contained within you’ll find an article about my journey to publication and the various writing groups I was part of along the way.
If you’re based in the UK and serious about getting into genre publishing then the BSFA provides a number of great resources for writers, not least their Orbit writers group.  You can find out more at http://www.bsfa.co.uk