Model engineering (e.g. live steam) Woodworking? Small carpentry (e.g. non-critical structures, swings, playhouses, most decks (I think these usually require in

Model engineering (e.g. live steam) Woodworking? Small carpentry (e.g. non-critical structures, swings, playhouses, most decks (I think these usually require inspection, but not a liscence to actually build), chicken coops? I think in most places you can still build your own house, but it requires inspections.