Buy a mora clipper(carbon) a firesteel and a kelly kettle and make a brew in your garden. That way there is not fire scare (put the kelly kettle on something) you can practice feathers sticks and fire lighting
The place to start is to decided what it is that you want to achieve. You say that you want to start "proper camping", but that is different from what is often described here as bushcraft.
Proper camping might be considered to be wild camping, say heading up to the Lake District, or Scotland and going on hikes which will see you camping out on the hill for a night or two. Camping here is a means to an ends, rather than an ends in itself.