Thanks jono. Looks like you do this regularly. I’m finished but I thought this one had more than its fair share of dreadful clues!
30 definition “what could be Brighton”?
The 39a and 31d link ?
All of 43a?
50a?
The alternative word for dahlia in 33d
10 is supposedly a “big” island
Perhaps a setter who has forgotten that crosswords are entertainment?