Passivhaus Architect, GIl Shalom joins Mark Millar at the Fix Radio studios to have a longer conversation and get into more depth with regards to the Passivhaus standard and building method. Gil talks about retrofitting and renovating to reach Passivhaus certification, compared to building groun up. Gil talks about materials, the role heat pumps and EPC ratings play, the history of Passivhaus and goals for the future with regards to new build.

Mark Millar looks into some of the ongoing and planned developments in Bristol and the surrounding areas. Mark talks to Jason Collard from Hive about their sustainable focus and approach and then chats with Seb Loyn & John Thompson from YTL Group about the ongoing creation of Brabazon, a new town that promises an exciting future for the city and it's residents.

Mark Millar looks into how we can improve our home and make better use of space, design, rooms and features. For those of you fed up and wanting to sell, Mark looks into how to improve the home to add value and increase demand. Guests include: Natallia Tanko & Kevin Porter

Mark Millar looks into two projects in France and Greece taken on by Brits and invites them to share their experiences and an insight into what it's like taking on a renovation project abroad. Guests include: Ash Waters (France) as well as Chris Bishop & Jo Thompson (Greece)

Mark Millar invites guests to join him and talk about where they feel there's a lack of ingenuity and good application of ideas in the domestic building process. Mark talks about whether some things are a matter of taste or just bad design as well as what the ideas more worthy of exploration might be. Guests include: Tim Philips, Julian Owen & Robin Clevett. 

Mark Millar is joined by a developer (Nick Webb - Prism Construction) about his struggle to get planning to build houses on the site of a pub that has been derelict for a considerable period of time. Nick has sunk £1 million into the prokect so far and feels he's out of options as red tape holds him back from getting the vital planning permission he requires. Marsworth Parish Council Chairman, Bob Kennedy joins the discussion to explain why Nick's planned development is in the best interest of the village and gives a bit of context into why this is all happening.

Mark Millar looks into how we deal with subsidence issues with experts from the industry and ponders whether buying properties with existing issues, solving them and selling for profit could be a good business model.

Mark Millar introduces a new guest on the show, Dale Wherton, who is an incredible skilled Bricklayer beginning his journey in property development. Mark also catches us with Ben Rayner who first joined the programme in May to talk about his plans for his now completed build! 

Mark Millar is joined by Jasper Thompson, founder of Help Bristol's Homeless to talk about the ways he's helping homesless people in Bristol find temporary and long term options for housing.

Mark Millar is joined by Alice Chapman to talk about her work building tens of thousands of tents at music festivals like Glastonbury, Boomtown and others. Mark also answers a listener question about self build as we head out of the summer. 

Mark Millar looks into an interesting partnership in Hull between Giroscope, who provide social housing and Plumbing firm, Kesselmann Plumbers Ltd. Guests include: Govind Manocha from Giroscope & Paul Tozer from Kessellmann Plumbers Ltd. 

Mark Millar is joined by Andy Barton to discuss his Glamping 'Yellow Submarine' on the coast in Cheddar. Andy tells the story of how he came into possession of the lifeboat and how he converted it into something you can stay in on your holidays!

Mark Millar looks at going at it again and what you can learn from your first build. Guests include: Scott Baggaley AKA Scott DIY & Jools Cardozo

Mark Millar is joined by Ian Cowie from Blyth in Northumberland to talk about what he's doing to regenerate the local area. Ian tells an incredible story from drug addiction and prison to helping the community he once terrorised.

Mark Millar looks into getting the electrical aspects of your self build sorted. Mark talks to Paul Collins, Technical Director from the NICEIC about the importance of doing your due dilligence with regards to who you get to do the work. Electrical Contractor, Mike Toulson about options and possibilities with regards to smart home technology and touches on timescales, money and availability.

Mark Millar is joined by Richard Collins, founder of the CSR-A Accreditation and Sustainablity Advocate with a keen involvement in the construction industry. Richard talks about the accreditation and why he's created it, How you can build more sustainably and how to do it without it costing you more. 

Mark Millar invites Chartered Planning Consultant, Mark Doodes to join him and run through some high profile planning misshaps that made the national and local press. They talk through what went wrong or the challenges presented, what could have been done differently, how to avoid running into similar issues and Mark Doodes gives some solid advice at the end to recap.

Mark Millar talks to Charlotte Taylor about her Old Manor House Renovation project that she's taken on with her husband. Charlotte talks about the plans for the house, What she's found so far and what is next for the project.

Mark Millar takes a look at two options for insulating a home that may seem unconventional, but actually have more history and prove more effective, than many of the more conventional options. Mark talks to Michael Leung from Balanced Earth Architects in Byron Bay about the use of hemp. Paul Lynch from Ecococon discusses using straw elements to insulate and build.

Mark Millar is joined by two notable names from the heating and low carbon heating tech industry to discuss heat pumps in the run up to The Installer Show at the NEC next week. Mark asks Gareth Roberts from Carbon Zero Renewables about his doubts around heat pumps and talks to John Hancock, COO of Wolseley Group, about their work trying to train and educate the installer and end user