Displaying episodes 1 - 30 of 152 in total

The UK has a weird relationship with heat pumps: under appreciated influencers, wild pricing, and bad vibes. With Andrew Sissons (Nesta)

This week we're joined by Nesta's Deputy Mission Director, Andrew Sissons, to discuss his take on why the UK has such a weird relationship with heat pumps.It was inspi...

Building with straw on a continental scale and experiencing retrofit as a resident. With Cypren Edmunds (European Straw Building Association)

The other week we had a chance to have a conversation with Cypren Edmunds, President of the European Straw Building Association about building with straw, experiences ...

The energy performance of buildings matters, to me and EU and everyone you know, with Ciarán Cuffe (MEP)

The Recast Energy Performance of Buildings Directive is now enshrined in EU law, which has big implications for the built environment everywhere. Even the South East o...

A new way to measure performance, negative energy use, and learning from disaster zones, with Kate Crawford (KLH Sustainability)

Kate Crawford is a building nerd who is obsessed with measuring performance. She's currently, Technical Director at KLH Sustainability, a multidisciplinary consultancy...

Designing for deconstruction using natural building materials. With Chloe Donovan (Natural Building Systems)

This week we're talking about modular construction and Natural Building Systems with MD Chloe Donovan.Chloe is a really interesting character with a fascinating produc...

Monitoring will make your buildings be worth more money, Utopi has proved it, with Falk Bleyl (CTO at Utopi)

Up next we're speaking with Falk Bleyl, CTO at Utopi, about their sensor-based data platform technology. He describes it as an ESG platform which is true but it massiv...

What do we do about ‘the office’? A retrofit challenge we don't speak about enough. With Harry Browne and Séamus Guidera (RKD)

This week we got into an area of retrofit that feels neglected: commercial space. It's a subject we definitely touch upon but never really get into , so in order to re...

Fundamental problems in building design and how we manage thermal comfort, with Susan Roaf (Heriot-Watt; ICARB)

We are delighted to bring you a conversation with Professor Emeritus Susan Roaf, of Heriot-Watt University this week to talk about a bunch of fundamental problems in b...

Fabric fifth: rethinking the hierarchy of retrofit, with Nigel Banks (Octopus Energy)

This week we're joined by Nigel Banks, Technical Director - Zero Bills & Low Carbon Homes at Octopus Energy.Nigel joined us to discuss his recent article: Fabric Fifth...

Retrofit: "We need to tackle low hanging fruit first", so what does that mean? With Fionn Stevenson

We were blessed to enjoy a great conversation about retrofit and what we should consider our priorities, with the vastly experienced retrofit firebrand Fionn Stevenson...

Natural materials, healthier homes, and the culture of sustainable building, with Will Kirkman (Ecomerchant)

We enjoyed the company of Ecomerchant’s Will Kirkman a business that's specialised in sustainable and natural building materials for the building trade and consumers.W...

Engineering low-impact buildings and advice from self build, with Tara Fraser (Build Collective)

This week is all about the challenges of low-impact building in the sphere of self build with Tara Fraser, a chartered civil and structural engineer, and a director of...

Shady business #2: shading for housing in a changing climate, with Tom Dollard (Pollard Thomas Edwards)

Part two of our series on shading, this time with a return appearance from Tom Dollard of Pollard Thomas Edwards who joined us in January 2023 to talk about lazy think...

A view from COP28, and relearning how to be an architect for after the Oil Age, with Kelly Alvarez Doran (Half Climate Design; Architecture 2030 Senior Fellow)

With us this week is new friend, Kelly Alvarez Doran, via an introduction from Lloyd to talk about his experiences at COP28 and his carbon reduction consultancy Ha/f C...

Conservation-led retrofit and energy efficiency for working buildings, with with Heidi Hopper-Duffy and David Hughes (Iarnród Éireann)

This one is about conservation-led retrofit and the retrofit of commercial (or institutional) building stock. We were invited to see a recent Iarnród Éireann (Irish Ra...

The cost of sustainability, accounting for language, and the taxonomy, with Archie O'Donnell (KOSMOS)

The first of our Dublin field recordings is with Archie O'Donnell a long-time face green building in Ireland, a fella who Jeff has a lot of time for, and someone Alex ...

PH+ Revisited: that archive building in Hereford, the one that uses passive house preservation, with Nick Grant and Alan Clarke

This week we have Lloyd's latest Passive House Plus Revisited, a conversation with passive house heads Alan Clarke and Nick Grant about the passive house archive proje...

How to normalise low-energy heating without radiators: an overnight success story that's fifteen years in the making, with Ethan Wadsworth (ThermaSkirt)

Happy new year! This week's episode brings you a conversation with Ethan Wadsworth of DiscreteHeat the manufacturers of our new favourite energy efficient (non-radiato...

PH+ revisited: Seeing the wood for the trees (part two), with Andy Simmonds (AECB) and Lenny Antonelli (PH+)

Happy post-Christmas day, hope you made it through OK. Today we have part two of the latest Passive House Plus revisited, looking at Lloyd Alter's favourite article of...

PH+ revisited: Seeing the wood for the trees (part one), with Andy Simmonds (AECB) and Lenny Antonelli (PH+)

Merry Christmas!This week we have a Passive House Plus revisited two-parter for you, led by our occasional co-host Lloyd Alter, looking at his favourite article of 202...

Shady business #1 – overheating, and Camden: we should think about solar gain all year round, with Zoe De Grussa (BBSA)

It's all about shading, overheating, and solar gain with Zoe De Grussa this week. She's the author of that infamous Camden overheating case study that Jeff always refe...

POE and its value to retrofit, and what does a Head of Sustainability do? With Loreana Padron (ECD Architects)

We are joined by Loreana Padron to talk about what it is that a Head of Sustainability does and, more broadly, the value of post-occupancy evaluation (POE) to all the ...

Standards and specifications, and why they don't always work like we want them to, with Sarah Price, the author of PAS2035/2030 (Retrofitting dwellings for improved energy efficiency)

Today we're talking about standards. In short, it's about how standards are written and why retrofit shouldn’t just be about products or carbon. It's never short with ...

Roadmaps for fuel poverty and retrofit: we know what needs to be done so why can’t we do it? With Tania Jennings (Chair of the Association of Local Energy Officers, London)

We invited Tania Jennings back. Most folk in the retrofit or social housing space will probably be aware of Tania from LinkedIn and the myriad jobs she has. If you don...

Driving change in building design and the things that inspire you to do better, with Cedric Burgers (Burgers Architecture)

If you fancy, you can settle in for a long one this week, in which Jeff and Dan speak with award-winning Canadian architect and passive house designer Cedric Burgers.W...

Biogenic building, whole life carbon, and natural fibre insulation. With Sam Baumber (IndiNature)

This week we're talking about natural fibre insulation and the potential of biogenic building products with IndiNature manufacturer (and co-founder) Sam Baumber. It fe...

Can you have a zero carbon building? The answer is “no”. With John Butler (Sustainable Build Consultancy; CAT)

If you’re looking to understand how to approach carbon accounting in the built environment, we’ve got you. Brought in to tackle some big questions around accounting fo...

Construction's embodied carbon problem: how do we incentivise retrofit over 'demolish and rebuild', with Joseph Kilroy (CIOB)

Jeff received a press release that piqued his interest, so we invited the man behind the call to action, Joseph Kilroy, (Head of Policy and Public Affairs at the Chart...

Getting real about energy research and making heat pumps chic, with Mike Fell (UCL; pump:chic)

This week we're joined by Mike Fell, energy researcher at UCL, amongst many other things. We've been following Mike's work for a while, (mainly because the pump:chic w...

Zero Ambitions 2023