BetaTalk is a podcast hosted by Nathan Gambling focused on renewable energy and low-carbon heating. Episode 13 brought in Sero to discuss the Welsh Government’s Optimised Retrofit programme — one of the most ambitious retrofit initiatives in the UK — and the “Comfort as a Service” model it was pioneering.
What we covered
At the time of recording, the Optimised Retrofit programme had brought together a consortium of 26 social landlords and 68 partners across Wales, with an initial focus on nearly 1,400 homes. The episode explored what made this programme different from the retrofit efforts that had come before it.
The central idea is “Comfort as a Service” — treating home energy performance not as a one-off installation but as an ongoing managed service, where residents receive reliable warmth and lower bills rather than a set of products bolted to their walls.
The conversation ranged across the programme’s whole-home methodology: the comprehensive surveys that establish each home’s starting point, the “pathway to zero” that maps out the right sequence of interventions over time, and the intelligent metering platform that tracks energy use at 15-minute intervals to build a picture sophisticated enough to guide those decisions.
We also discussed why scale matters — why individual isolated retrofit projects, however well executed, can’t establish the supply chain, the skills base, or the evidence needed to change the sector — and the role a consortium approach plays in changing that.
The episode included a call to action for installers and SMEs wanting to get involved in delivering the programme across Wales.
Episode 13 — Comfort as a Service: Sero & Optimised Retrofit — BetaTalk podcast on YouTube
▶ Watch on YouTube