HPH392: What's the difference between good and bad retrofit? – with Marion Baeli

HPH391: Earth floors – with Jeffrey Hart

HPH390: Practical considerations when looking for a plot of land – with Ben Adam-Smith

HPH389: Air-to-air mini split heat pumps – with Es Tresidder

HPH388: How are building regulations made? – with John Palmer

HPH387: How do you make a Victorian terrace home more comfortable? – with Will South

HPH386: The potential of mycelium-based composites – with Joshua English

HPH385: A stunning contemporary home on a sloping site – with Kirsty Maguire

HPH384: De-risking a Passivhaus project – with Sally Godber

HPH383: A beginner's guide to creating a comfortable home – with Andy Mitchell

HPH382: What is a Principal Designer? – with Ben Nother

HPH381: What is Passivhaus Premium? – with Phil Neve

HPH380: What is Passivhaus Plus? – with Heather Johnson

HPH379: What is inclusive design? – with Stephanie Kyle

HPH378: Accessibility for all – with Guy Harris

HPH377: Retrofitting a 1950s semi-detached ex-council house – with Toby Cambray

HPH376: What is WUFI? – with Toby Cambray

HPH375: A day in the life of a builder – with Mike Whitfield

HPH374: Building for People - with Mike Eliason

HPH373: Using a willow bed to treat sewage - with Laila Dudhill