As someone with a degree of experience of guiding people through career change situations, may I offer you a few tips?The most important one is that you are starting with the wrong question. Before sorting out whether or not to take a further qualification you need to sort out in your mind what it is in your old career that you would like to leave behind and what you will be seeking in your new one. Once you have done that you will be able to do a gap analysis between where you are and where you would like to be and then construct a plan to take you there. Whilst that may include a further qualification, it would also help if you identify some “bridges” between your current job and your desired future. Without those “bridges” there's a danger that recruiters will deem you to be too old for an entry level opening in your chosen new career but not to have the experience for a more senior opening.I'm now semi-retired but, for an interest, am in the process of trying to set up a career blog. This is still in embryonic form and there are some technical glitches that need sorting. I will try to do a more detailed post on this subject on there within the next week or two.If you are interested, post a reply to this and I'll let you have the web address of the blog.