I note your point about not being able to volunteer due to family commitments, and it is a fair point, but if you are starting from a point of zero experience then volunteering for a couple of hours a week would be of huge benefit. Couple of places not too far from you.
https://www.woodhousefarmandgardencic.org.uk/
https://www.fordhallfarm.com/
https://www.woodhousefarmandgardencic.org.uk/
https://www.fordhallfarm.com/