Sinopsis
If you're building a home in the UK, this aims to arm you with the knowledge you need. It features regular interviews with green building experts and self-builders (who have been there and done it). And the ongoing mission is to explore what houses we should be building in the 21st century.
Episodios
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HPH398: What does it take to create a bio-based Passivhaus? – with Janna and Seb Laan Lomas
28/03/2026 Duración: 01h11minJanna and Seb Laan Lomas explain the ethos behind their self build which blends low energy design and natural building while reducing plastics in the construction and also minimising waste. The level of detail, the decisions made and the careful use of the budget have been instrumental in delivering this fantastic project, which makes a great home for them as well as a site that encourages wildlife. Check out the show notes for more information.
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HPH397: Sheep's wool insulation and other natural fibre options – with Mark Lynn
23/02/2026 Duración: 51minMark Lynn from Eden Renewable Innovations explains how sheep's wool insulation is made, outlines the pros and cons, and suggests how it is best specified and installed. He also shares some common traits of natural fibre insulation as a category. Check out the show notes for more information.
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HPH396: Getting planning permission for a replacement dwelling – with Mark Doodes
09/02/2026 Duración: 48minMark Doodes from Mark Doodes Planning explains what we mean by applying for planning permission to demolish and rebuild a house, how it is done, what some of the challenges might be and how to do as much as possible to improve your chances of a successful outcome. Check out the show notes for more information.
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HPH395: How easy is it to insure a natural building? – with Dr. James Glockling
26/01/2026 Duración: 41minDr. James Glockling explains how insurance works and outlines some of the challenges of insuring a natural building. Check out the show notes for more information
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HPH394: Could you automate air sealing on a house build? – with Hugh Franklin
08/01/2026 Duración: 45minHugh Franklin from Aeroseal UK explains how the airtightness of a building can be improved using a water-based, low VOC atomised polymer which is delivered when the building is pressurised. This simpler approach speeds up the process of air sealing and gives real-time feedback on the airtightness score. Check out the show notes for more information
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HPH393: How can you reduce the embodied carbon of a project? – with Elly Deacon Smith and Kirk Rushby
17/12/2025 Duración: 38minElly Deacon Smith and Kirk Rushby from Arbor Architects explain why they consider the embodied carbon of their projects, how they do it and how it is balanced with competing factors. Check out the show notes for more information.
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HPH392: What's the difference between good and bad retrofit? – with Marion Baeli
03/12/2025 Duración: 53minMarion Baeli, author of "Residential Retrofit," offers hands-on experience of designing and retrofitting high performance homes. As well as drawing on her personal retrofit she shares the lessons learnt from revisiting properties that took part in the Retrofit for the Future competition over a decade ago. Check out the show notes for more information.
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HPH391: Earth floors – with Jeffrey Hart
19/11/2025 Duración: 44minJeffrey Hart from the Earthen Floor Company gives us the lowdown on natural earth floors, explaining what the components are, how they are mixed and the process of installing them. He also outlines the benefits and limitations, and highlights what makes them a great choice for an eco home. Check out the show notes for more information.
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HPH390: Practical considerations when looking for a plot of land – with Ben Adam-Smith
05/11/2025 Duración: 40minBen Adam-Smith shares a few thoughts about what to look for in a plot of land for a low energy house build. Check out the show notes for more information
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HPH389: Air-to-air mini split heat pumps – with Es Tresidder
22/10/2025 Duración: 51minEs Tresidder from Highland Passive explains what an air-to-air mini split heat pump is, why he believes it's a good choice for heating a high performance home and the various pros and cons of going down this route. He also reflects on one of the toughest stages of his retrofit when they took the roof off the existing dwelling and then faced torrential rain. Check out the show notes for more information.
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HPH388: How are building regulations made? – with John Palmer
08/10/2025 Duración: 43minHaving spent the last few years working within the Ministry of Housing, Communities and Local Government, John Palmer explains how building regulations are made and what their role is within the construction industry. Check out the show notes for more information.
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HPH387: How do you make a Victorian terrace home more comfortable? – with Will South
24/09/2025 Duración: 47minWill South from Etude takes us step-by-step through the retrofit of his Victorian terrace house in Brighton, which has improved the health, comfort and energy efficiency of the property. Check out the show notes for more information.
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HPH386: The potential of mycelium-based composites – with Joshua English
10/09/2025 Duración: 46minJoshua English, co-founder of Okom wrks labs shares his journey into the creation of a mycelium-based composite material, which has structural and load-bearing properties. Check out the show notes for more information.
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HPH385: A stunning contemporary home on a sloping site – with Kirsty Maguire
26/08/2025 Duración: 36minArchitect Kirsty Maguire shares her experience of designing and building her own Passivhaus on a challenging sloping site in Newport-on-Tay, Scotland. Check out the show notes for more information.
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HPH384: De-risking a Passivhaus project – with Sally Godber
13/08/2025 Duración: 57minSally Godber, a Director at WARM consultancy explains why reducing the risks on her own Passivhaus project was so important, what that entailed and how it enabled her to deliver a healthy, comfortable and energy-efficient home on budget. Check out the show notes for more information.
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HPH383: A beginner's guide to creating a comfortable home – with Andy Mitchell
30/07/2025 Duración: 46minAndy Mitchell, Managing Director of 21 Degrees, explains what factors influence human comfort and how we have tried to make our homes more comfortable through the years. Embracing building physics has been a turning point and while we have the knowledge and skills to create healthy and comfortable homes today, it's still not the default approach. So Andy outlines the options available to get yourself into a better home. Check out the show notes for more information.
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HPH382: What is a Principal Designer? – with Ben Nother
16/07/2025 Duración: 51minBen Nother, a Director at Hawkland design and build company, explains the two different roles of Principal Designer in meeting building regulations and addressing CDM health and safety. He also reflects on how this has been integrated into the processes at Hawkland. Check out the show notes for more information.
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HPH381: What is Passivhaus Premium? – with Phil Neve
02/07/2025 Duración: 54minPhil Neve explains what Passivhaus Premium is and why he chose to target the standard for his own self build in Somerset. He also talks through his biggest project challenge, which was obtaining planning permission to build in open countryside. Check out the show notes for more information.
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HPH380: What is Passivhaus Plus? – with Heather Johnson
18/06/2025 Duración: 34minHeather Johnson from AD Practice explains what Passivhaus Plus is, how it differs from Passivhaus Classic accreditation and what benefits achieving the standard will afford. She also reveals why most of her clients target 'Plus' and outlines the steps to achieve this on a project. Check out the show notes for more information.
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HPH379: What is inclusive design? – with Stephanie Kyle
04/06/2025 Duración: 42minStephanie Kyle from Floyd Slaski Architects explains how we can design for disability, gender, religion, and anything that’s considered a protected characteristic under the Equality Act. She also highlights the biggest challenge of inclusive design which is people’s differing needs, and suggests how we best go about designing spaces. Check out the show notes for more information.