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, a slightly polemical riposte to fabric-first dogma, and an interesting philosophy for retrofit. As it turned out, it’s an apposite follow-up to last week's episode with Fionn Stevenson.Fabric Fifth - Nigel BanksASHPs ASAPGet SmartMeasure & get comfySolar & StorageFabric FifthWe also touch on Octopus's zero-bills proposition, but we'll do a full episode about that soon.Notes from the showNigel on LinkedInThe Fabric Fifth article itselfAn article about Chris Warboys' SAP conversion toolThe academic paper Jeff mentions: UK Passivhaus and the energy performance gapNigel in the pages of Passive House Plus**SOME SELF-PROMOTING CALLS TO ACTION**We don't actually earn anything from this, and it's quite a lot of work, so we have to promote the day jobs.Follow us on the Zero Ambitions LinkedIn pageJeff, Alex, and Dan about websites, branding, and communications - zap@eiux.agency; Everything is User ExperienceSubscribe and advertise with Passive House Plus (UK edition here too)Check Lloyd's Substack: Carbon UpfrontJoin ACANJoin the AECB Join the IGBCCheck out Her Own Space, the renovation and retrofit platform for women (but not in a patronizing way)**END OF SELF-PROMOTING CALLS TO ACTION**