Proposals to install new windows in a 1960s tower block designed by Douglas Carr Bailey, Francis Skinner and Berthold Lubetkin have prompted anger and disbelief from residents and conservationists.

Sivill House, in Shoreditch, east London, was completed in 1962 and is overseen by local authority arm’s length management organisation Tower Hamlets Homes.

It is seeking planning permission to upgrade the windows of the 19-floor tower, on Columbia Road. But the proposals are not like-for-like replacements for the building’s existing fenestration and residents argue that the change will compromise the unique geometric design motif of its façades.

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