You can. But some esoteric rules apply, and there are fire regs if it's close to a building. Oh and electrical regs apply. But yes building in the UK is much f

You can. But some esoteric rules apply, and there are fire regs if it's close to a building. Oh and electrical regs apply. But yes building in the UK is much freer. I sense it is much less common (beyond a basic shed or conservatory) though therefore less of an issue to solve.