Two weeks ago, my boyfriend of two and a half years said he couldn't see us getting married, he wasn't hundred percent certain but certain enough to end it. He has had a divorce before so I can't help but think he's just scared. We have been really happy, I've moved twice to be with him and he's confessed to friends and family he was happy I did so. Since the break up we have had contact most days. And this morning a very positive journey into work together, laughing, joking, he commented on my dress and said I looked good. We hugged each other good bye. I feel strong enough to stop the contact and am filling my days and trying to focus on me but I hope we can reconcile. I just wondered what a professional thinks? Does space and time help to rekindle things and make him fell safe to commit?

"Does space and time help to rekindle things and make him fell safe to commit?" It can but it could go either way. Unless he tells you why you can only be guessing as to why he came to this decision.

"I feel strong enough to stop the contact and am filling my days and trying to focus on me" Now that is why I like to hear and with that kind of an attitude you will do just fine. Remember you control how you feel so decide to have a good day today and tomorrow and the next, etc.

Your boyfriend doesn't want to get married. I am not a "professional", but do know when you are being led on.
I would really stop seeing this person, and find yourself some new friends. Meantime, if he is really serious about you(which I doubt), he will want to see you again in a few months.
Please move on, stop dealing with him, and give him some time to find out about himself. Good luck.