
Retrofitting the first garden city: A Feasibility Study
18 June 2025
The aim of the Letchworth Interactive Retrofit House website is to provide homeowners and landlords in Letchworth with guidance on a range of retrofit measures.
This website has been developed by the Alliance for Sustainable Building Products (ASBP) for Letchworth Garden City Heritage Foundation (LGCHF) with support from People Powered Retrofit, and thanks to funding from Greater South East Net Zero Hub Community Energy Fund.