The evening part time MSc offered by Westminster seemed to fit in with my financial situation at the time. I also wanted to work full time to clear some debts following undergraduate studies. Due to my undergraduate marks, I stayed clear from the top universities such as UCL, Kings, Oxford etc etc
During the latter half of my first MSc, I received unconditional offers for the MSc in Research Methods from UCL, Surrey and Warwick, but I opted for UCL. Best decision ever!
I received an interview invitation for the Mental Health Studies at Kings College, but I opted for an MSc that would open the PhD door, namely the Research Methods MSc.
For me, I did not find it hard to get onto Master courses, but then again, that was in 2005 and things may have changed since then. Courses do assess applications individually and by individual merit. Also, I spent some time emailing admission tutors before submitting an application to double check entry requirements. I was very surprised to receive unconditional offers from good universities (UCL, Warwick, Surrey), so it can be done!
Also, the course director at Westminster said he rejected some applicants, so universities such as Westminster do not accept everyone!
All you need is a good overall mark from your undergraduate degree and strong performance in relevant modules, a shining application and good references. Relevant experience and publications is an added bonus! Also, some MSc courses are very very popular (such as my Clinical in Applications course and the Kings MScs), so it's important to submit an application asap
Hope this helps! x