
HPH393: How can you reduce the embodied carbon of a project? – with Elly Deacon Smith and Kirk Rushby
17/12/2025 | 38 mins.
Elly 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.

HPH392: What's the difference between good and bad retrofit? – with Marion Baeli
03/12/2025 | 53 mins.
Marion 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.

HPH391: Earth floors – with Jeffrey Hart
19/11/2025 | 44 mins.
Jeffrey 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.

HPH390: Practical considerations when looking for a plot of land – with Ben Adam-Smith
05/11/2025 | 40 mins.
Ben 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

HPH389: Air-to-air mini split heat pumps – with Es Tresidder
22/10/2025 | 51 mins.
Es 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.



House Planning Help Podcast