Parts of the former Victorian London Chest Hospital being redeveloped for housing has been given Grade II listing.
Developers must preserve the main Victorian building, the South Wing, the Sanitary Tower, a Victorian gas lamp, railings and the entrance gates because of their architectural importance.
It follows a preservation campaign last year led by local East End historian Tom Ridge to save the building opened at Bethnal Green in 1851 from demolition.
Circle Housing which bought the site from the NHS in 2015 has put its proposals to Tower Hamlets council.
The East End Waterways group campaigned for the “heritage enhancements” to the main building and the tower added in 1890 which it said would cause “substantial harm to their significance” as the surviving parts of a designated heritage asset in the Victoria Park conservation area.
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