Tom Fenton from Veritherm explains how to test the thermal performance of a home, what this data can reveal and how it can then be used. Check out the show notes for more information.

Mike Webb explains why he chose to build to high ecological standards even though he could've made more money by just complying with building regulations. Check out the show notes for more information.

Nigel Dutt tells the self build story behind Devon Passivhaus, a Paragraph 55 build. Check out the show notes for more information.

Mick Woolley explains how the use of timber was a key element of his award-winning Passivhaus bungalow. Check out the show notes for more information.

Bruce Bell, founder of Facit Homes, explains why digital manufacturing has a lot to offer in the future of house-building. Check out the show notes for more information.

David Arrenberg explains why he wanted to project manage his self build, what the work entailed and how much of his time it took. Check out the show notes for more information.

Mhairi Grant and Martin McCrae share their self build journey. Their contemporary home seems to have it all, from striking design and great ecological credentials to high quality finish and value for money... but Martin and Mhairi had to work hard for it! Check out the show notes for more information.

Hattie Hartman, Sustainability Editor at the Architects' Journal, shares insights from her new book Energy, People, Buildings. Check out the show notes for more information.

As a way of celebrating our 300th episode we're doing something a little different. Ben Adam-Smith reflects on the homes he's lived in and what he's learnt from living in them. Check out the show notes for more information.

Ben Adam-Smith shares his own experience of living with a mechanical ventilation system. While he's clocked up a few error messages on the unit and had more problems than most, he explains why he wouldn't want to go back to natural ventilation. Check out the show notes for more information: