I'll have a crack at it ...
Protect from Cabbage Butterfly (which will also keep birds off):
broccoli
cabbage (2 types)#
Cauli
Protect from birds (germination time and when pods appear)
peas
mangetout
Grow in a greenhouse:
sweet peppers (be quick! or buy plants)
Rest should be fine:
beetroot
leeks (be quick!)
beans
courgette (start in pots, or buy plants when frost danger over)
pumpkin (thse too maybe)
sweetcorn (Start off in peat pots, or newspaper pots [and plant them "whole" to avoid root disturbance], to "lengthen" the season)