Sustainable Living 19 A polytunnel of this size is big enough to keep a family in vegetables, salads and herbs virtually all year round. The manure from the goat barn provides wonderful compost. The whole concept of living here has been an experiment in sustainable living, and one that has been largely successful, although it is a project that is still incomplete at this stage - with plenty more work still to be done! But if it is important to you to achieve a high level of self-sufficiency, then taking on this property could well prove to be a rewarding and worthwhile venture. It would especially suit a retired couple who might be looking for an active and healthy lifestyle; or it could equally well suit a younger family - certainly no better place to bring up children in a healthy and safe environment.