Plan. Assess. Retrofit.
Download Your Retrofit Decision Maker
Making retrofit decisions can be complex—our flowchart helps simplify the path.
From evaluating if an existing building is present on site to determining if materials can be recuperated or reused, this tool guides you through key early-stage questions. It even points you to helpful resources like the UKGBC Circular Economy Selection. Whether you're weighing demolition vs. reuse, or aligning the building’s use case with project goals, this flowchart is your first step toward a more thoughtful, more sustainable retrofit strategy.
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To discuss your retrofit project with our team please contact:

Philippa Birch-Wood
Executive Director - ESG
Philippa specialises in sustainability and ESG within construction and retrofitting, with extensive experience in reducing carbon impact in the built environment. Philippa has worked on numerous high-profile new builds and retrofit projects, helping organisations achieve sustainability goals through strategic deconstruction and material reuse. Passionate about transforming the way we handle existing buildings; Philippa is dedicated to pushing the boundaries of carbon reduction in the construction industry.

Richard Harris
Director
With hands-on experience across some of the practice’s most high-profile retrofit projects—including the acclaimed Strand Staycity development—Richard brings a strong track record in the successful transformation of existing buildings. Specialising in adaptive reuse, Richard has played a key role in delivering complex projects that repurpose and reimagine structures for new life and function. His work demonstrates a deep understanding of the challenges and opportunities involved in working with existing fabric, combining technical insight with a practical, design-led approach to unlocking value in the built environment.
Email: Richard.harris@chetwoods.com
35 years of retrofit experience
Explore some of our stand out projects for clients such as Sainsburys, Rugby School and Essex County Council here:
