Sowing for Autumn/Winter Harvests

When I used to enjoy eating veggies and was more of a winter gardener, I used to grow spring cabbage, garlic and broad beans in the greenhouse beds over winter.
I am a bit of a tight git so still like to ty and keep my beds with produce in them all year r.ound. If I am paying a yearly rent for my allotment, I like to get my money's worth by utilising it in the Winter as well as Summer!