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RS2: Lessons from the Bromley Retrofit Pathfinder

27/04/2026

Jenny Danson

Large-scale retrofit is hard enough on its own. But when things go wrong, and they do, the instinct is usually the same: everything bounces back to the client. One organisation ends up holding the bag for problems that span assessors, coordinators, designers, and contractors, none of whom necessarily feel accountable to each other. 

This session explored a different approach: a collaborative delivery model being tested on a pathfinder retrofit programme in Bromley, developed by Clarion alongside delivery partners Sero and Ambue. The model isn't just about who does what, it's about how you build the relationships and structures that let multiple organisations work together without constant client intervention. 

Paul Norman, Clarion HG set the scene: "Part of the challenge was that everything keeps coming back to the client. There's been lots of conversations over this period where things have gone wrong and actually it's just who takes some responsibility, because you can't all keep coming back to one person."

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