Zero Ambitions Podcast is a built environment show for people who already suspect sustainability gets vague exactly when it needs to get useful. It is brisk, skeptical, and technically literate. Retrofit sits close to the center, but the conversations do not treat retrofit as a single clean problem. They follow it into procurement, finance, social housing, public-sector targets, resident outcomes, asset management, energy modelling, and the uncomfortable question of who pays for proof that work has actually improved anything. The show is especially alert to measurement. Thermal surveys with Lucy Lyons become a way to talk about triage, validation, and the limits of what exterior data can prove. Conversations with Tom Robins and Leigh Fairbrother turn post-occupancy evaluation into a commercial and moral problem: everyone sees the value, but nobody seems eager to fund it. Social value gets similar treatment with Michael McLaughlin. The show looks past big-number scoring exercises and asks whether local needs, health, jobs, and long-term outcomes are being served or merely counted. It also makes room for new-build and materials stories, from high-density Passive House delivery in Central London to coconut-husk board development with NaturLoop. The appeal is not polish. It is the friction. Zero Ambitions Podcast lets sector language, official metrics, and construction culture rub against lived reality until the weak spots show. For listeners working around buildings, housing, carbon, or policy, that makes it more useful than another tidy sustainability interview.