Hi. Looking for recommendations and advice on installing a building in the garden. Would prefer low-maintenance (ie not wood exterior). Cannot afford high-end – it does seem hard to find low budget options out there... I am look for it to be open plan – sleep 2 (possible up to 4). It will require shower/room toilet etc. I suppose I am seeing if anyone on Mumsnet has experience of this process – company used? And pitfalls? All advice very welcome! Thanks ;)