Harrison Gardner has spent over 15 years building off‑grid homes and teaching thousands the skills to do the same. In Heat, Shelter, Water, Food he pulls back the curtain on the practical, proven methods that keep you steady when the world feels anything but. 

As extreme weather and ageing infrastructure create new pressures, Harrison shows how simple, affordable upgrades can dramatically improve your home’s resilience. From storm‑proofing your space to securing heat and water, he breaks down what really works and why.

Packed with projects, tips and clear, actionable guidance, this book turns uncertainty into confidence. It’s the essential handbook for anyone who wants to feel capable and firmly back in control.

Harrison Gardner is an eco-builder, author and broadcaster with over 15 years’ experience designing and constructing homes – conventional, sustainable and alternative – around the world. He co-founded Common Knowledge, a social enterprise in the west of Ireland that teaches practical skills for sustainable living, from building and DIY to growing food and mending clothes. Harrison is the author of Build Your Own and Our Homes, and presents the hugely popular RTÉ show Build Your Own Home, guiding everyday people through the challenge of creating homes on real-world budgets. His work is driven by one mission: helping people feel capable and confident in shaping the future they want.