Structural Engineering Explained: Foundations, Costs And Cracks

Why does your structural engineer cost you more than expected? Engineering fees often take the blame, but the real cost drivers lie elsewhere. This episode unpacks what a structural engineer does on a residential project, from foundations and load paths to deflection and embodied carbon. We look at the design decisions, not the fees, that push steel tonnage and construction costs up. We also cover underpinning, why it is one of the most expensive interventions a homeowner can make, and how to tell which cracks in a wall need attention and which are simply a house settling. A £40 soil test can save thousands off a foundation bill. Get these decisions right and a project runs efficiently. Get them wrong and the cost, and the carbon, only grows. "A good engineer should be trying to find efficient solutions." - Alison Wallis You’ll hear about: • What a structural engineer does • Which building elements engineers design • When engineers join a residential project • Why efficient load paths cut costs • Explaining deflection in plain terms • How architects and engineers share options • Design decisions that drive up costs • Beam shape versus material weight costs • Foundations, clay soil, and tree roots • Embodied carbon in concrete and steel • Cheap tests that reduce foundation depth • Underpinning costs and cracks worth worrying about Chapters: 00:00 – Introducing Alison Wallace 00:56 – What Structural Engineers Do 03:01 – Foundations, Walls And Frames 03:50 – Joining At RIBA Stage Two 05:17 – Efficient Load Paths Explained 10:20 – Understanding Deflection 12:33 – Homeowner And Engineer Communication 14:41 – Decisions That Drive Up Cost 18:24 – Do Less, Simplify The Brief 23:13 – Foundations And Embodied Carbon 24:17 – Clay Soil And Tree Roots 28:31 – The Value Of Soil Testing 30:20 – Tips To Save Money 44:41 – Which Cracks To Worry About 50:45 – The Cost Of Underpinning Connect with Alison: LinkedIn -   / alison-wallis-a5302919   Weave Engineers - https://www.weaveengineers.co.uk/ Connect with us: Tima Patel -   / tinapatel   Bart Kolosowski -   / bartkolosowski   Produced by Between Tracks - https://www.betweentracks.com/