Building Sustainability Podcast

The majority of homes currently being built are bad for the earth, the occupants and the builder’s health.

Every fortnight, join Jeffrey Hart as he talks to designers, builders, makers, dreamers and doers. Exploring the wide world of sustainability in the built environment by talking to wonderful people who are doing excellent things.

Whether you want to learn more about natural materials, are navigating your own self build, or just want to know that better alternatives are out there, this is the podcast for you.

Recent Episodes

Natural Materials Wood Craft Self Sustainability

Developing your craft - John Mullaney - BS089

Nov. 21, 2022

In this episode, I'm joined by green woodworker John Mullaney. John has carved out the reputation as the shrink pot guy but has many strings to his bow. We discuss his origins & craft in this joyous conversation that will in…

Guest: John Mullaney
Natural Materials Carbon Emissions Wood Craft Heritage

Charcoal & Biochar - Duncan Goulder & Sam Ansell - BS088

Nov. 7, 2022

The 3rd and final coppice focussed episode is with Duncan and Sam from The Coppice Co-op. We are predominantly talking about Charcoal in this episode, its history, its uses and the ways to make it. This episode is part of a …

Craft Wood Natural Materials Heritage

Spelk Basketry - Lorna Singleton - BS087

Nov. 7, 2022

Lorna Singleton is a coppice worker, basket maker and green woodworker. Specialising in Spelk Basketry - About Lorna - "I am one of the UK’s last remaining ‘swillers’, a specialist in weaving baskets using coppiced oak. From…

Carbon Emissions Natural Materials Wood Heritage Craft

Coppicing with BHMAT - Kath Morgan & Mike Carswell - BS086

Nov. 7, 2022

In this episode we hear from Kath Morgan who is the coordinator and administrator for the Bill Hogarth Memorial Apprenticeship Trust and Mike Carswell, a coppice worker and former BHMAT apprentice. At the end of August 2022 …

Understanding Air Tightness Testing - Gervase Mangwana (3/3) - BS085

Aug. 8, 2022

The concluding part to my conversation with Gervase Mangwana - This episode we talk through air tightness testing and what the results mean. Should we be using permeability, or air changes per hour? Some of this conversatio…

How deep to Retrofit & Ventilating Right - Gervase Mangwana (2/3) - BS084

Aug. 4, 2022

Part two of my conversation with Gervase Mangwana - This episode follows on from BS083 and we talk carbon payback, and cost payback of an EnerPHit retrofit. Is going all the way to EnerPHit always the right thing to do? Then…

Carbon Emissions Natural Materials Planning Architecture

Retrofitting to EnerPHit standard - Gervase Mangwana (1/3) - BS083

Aug. 1, 2022

This is the first of 3 episodes with Gervase Wangwana - a Retrofit specialist, Airtightness tester and reformed DJ. Part 2 will look more into ventilation and part 3 is all about air tightness. Become a Patreon supporter in…

Natural Materials Carbon Emissions Builders Wood

Material Carbon Emissions & The BEAM Estimator - Chris Magwood - BS082

July 21, 2022

Chris Magwood is once again our guest on the podcast. Today we are discussing calculating materials carbon emissions, which might also be called up front carbon or embodied carbon. Chris and his team at buildersforclimateact…

Guest: Chris Magwood
Self Sustainability Architecture

An architect's guide to achieving a work/life balance - Clare Nash - BS080

June 17, 2022

Today I'm joined by Clare Nash who describes herself as an "Architect creating dream eco-homes, barn conversions plus environmental and community focused housing schemes" Today we are talking about how to find a work/life ba…

Guest: Clare Nash
Heritage Natural Materials Wood Architecture Permaculture

Contemporary Vernacular Design - Clare Nash - BS081

June 16, 2022

The second Episode with Architect Clare Nash this time discussing the findings from her book Contemporary Vernacular Design How British Housing Can Rediscover Its Soul The book presents 25 inspirational housing schemes provi…

Guest: Clare Nash

About the Host

Jeffrey Hart Profile Photo

Jeffrey Hart

Producer / Host

As well as producer and host of Building Sustainability Podcast - I am a builder, focussed on building highly efficient homes from natural materials. I blend the tried and tested methods of heritage vernacular building with modern building and material science to create buildings that are healthy to the builder, occupant and the environment.