Post‑Retrofit Monitoring in Solid‑Wall Homes: Best Practices, Risks, and Lessons from London Projects

This technical article explores the importance of post-retrofit monitoring in solid-wall homes, focusing on case studies from London boroughs such as Camden, Hackney, and Southwark. It outlines best practices, monitoring tools (e.g. RH sensors, thermal imaging, airtightness testing), and the role of Retrofit Coordinators under PAS 2035. The article draws lessons from real retrofit projects and discusses how data-driven performance evaluation improves occupant health, moisture safety, and retrofit outcomes. Designed for retrofit professionals, housing associations, policymakers, and building engineers.