I completed two-thirds of a social work MSc and it is something you should only do if you are 100% dedicated to it. I was and still had various problems (partly due to personal circumstances, partly due to the university/placements). It is two years of intense study and long placements, so if your heart isn't really in it (which mine wasn't by the end) it is very difficult.
I am training to be a counsellor now, with a view to applying to counselling or clinical psychology in a few years, but I also want to qualify as a counsellor, and am loving the course. Work experience is very important, as you know, so if you get as much as that as you can you may decide to pursue social work, or another masters degree, but make sure you know what it is first, especially with ELQ regulations and their implication for course fees.