Many “smart building” conversations still assume a clean slate at the start.
New buildings, new systems, new budgets.
That’s not how it usually plays out.
Most of the buildings that will still be in use over the coming decades already exist today. And many of them were never designed for modern connectivity, analytics, or decarbonisation.
In this episode of The Climate Gap: Quick Cuts, Ben Muwoki sits down with Peter Rake to talk about where real progress actually happens: brownfield portfolios.
The buildings that already exist.
The systems that are already stretched.
The teams that are already firefighting.
Peter has spent years in the trenches of brownfield modernisation, working with owners and operators who are trying to improve performance without ripping and replacing everything in sight.
One theme kept surfacing in the conversation:
- Upgrading the technology is only half the battle.
- The harder part is getting results seen, trusted, and funded by the business.
In this episode, we cover:
* Why brownfield is where the real decarbonisation opportunity sits
* What to look for when assessing a legacy building for digital enablement
* How to decide what to integrate, what to retire, and what to leave alone
* Why operational wins rarely reach the C-suite
* How to translate comfort, energy, and maintenance into business language that resonates
* Why starting with simple data builds credibility faster than ambitious pilots
* What actually turns operational progress into repeatable investment
About Peter Rake
Peter Rake is a smart buildings and energy technology leader with deep, hands-on experience in modernising brownfield commercial real estate. He began his career on the tools as an electrician before moving into building systems, connectivity, and platform-led portfolio transformation.
Over the past decade, he has worked closely with owners and operators across mixed-vendor estates, helping them improve legacy infrastructure, establish secure connectivity, and turn fragmented building data into credible, business-ready insight.
Listen if you are:
- An owner or operator managing brownfield or mixed-vendor portfolios
- A facilities or operations leader trying to make outcomes visible to leadership
- Trying to move from pilots to repeatable, portfolio-wide investment
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