Not sure if you've seen this but last season he was a member of the Chelsea side that put Barnsley out of the FA Youth Cup. Scores twice and looks assured in his age group. https://www.youtube.com/watch?v=JkIiZUtZeU4
I watched the match at the time. It was on Chelsea TV and it was a quiet night in the bookies I was working in. I remember thinking at the time that he looked pretty good. Bit surprised that he hasn't been out on loan in between now and then.
I must have been one of the few tykes to attend this match live. Was definitely impressed by him, but then again the whole Chelsea side looked a cut above ours despite us having a couple of good chances.