Passivhaus & EnerPhit on Architecture Today Conversations
Richard Dudzicki Discusses EnerPHit, Passivhaus, building regulations, and policy
Marion Baeli and Richard Dudzicki in conversation with Isabel Allen - Passivhaus design, retrofitting buildings to EnerPhit standards, tensions, and contradictions within building regulations and planning policy and the urgent need for central government to up its game.
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On March 25th, New London Architecture’s Coffee Conversation brought together a cross section of voices from architecture, planning, development and policy to discuss one of the most urgent questions facing London today: how can small and difficult urban sites make a meaningful contribution to our housing crisis?

On 25 March, Richard will be speaking at NLA’s Coffee Conversation about how London’s most constrained and overlooked sites can play a role in addressing both the housing crisis and the climate emergency. Across the city, small and fragmented plots are often dismissed as too difficult to develop. Backland sites, former garages and leftover spaces within established neighbourhoods are frequently overlooked by conventional development models. Yet collectively they represent a significant and largely untapped opportunity.

There is a particular responsibility that comes with working on an existing building. The Old Timberyard , a former Victorian workshop, offered the opportunity to demonstrate how careful retrofit can honour heritage whilst delivering genuine long-term performance. Behind its retained brickwork and historic fabric sits a carefully executed EnerPHit upgrade. This was not about surface improvements, but a rigorous, fabric-first transformation, reworking a cold, underperforming structure into a comfortable, resilient and low-energy building fit for contemporary use.



