Thanks all, given me a lot to think about, I think it's just not knowing much about what extent of study is expected, my PHD is fully funded and I honestly think I will have to re think work, a bit worried about getting practice experience, but i'm sure I can get something more suitable for the study period. I really appreciate your input because I don't know many people who have completed PHDs.

Can anyone give me advice? I'm due to start a full-time PHD in Oct this year in social work and hope to work 4 days per week as social worker as well, is it possible?