David Adjaye and Ron Arad’s proposals for a Holocaust Memorial next to the Houses of Parliament should be junked because of their impact on the Unesco World Heritage Site, a key advisory body has said.

The UK branch of Icomos – Unesco’s International Council on Monuments and Sites – has said the memorial, earmarked for Victoria Tower Gardens, would cause “substantial harm” to the green space and to its contribution to the World Heritage Site.

Adjaye and Arad were selected for the project following a design competition in 2017, and their proposals were submitted to Westminster council for planning last month following tweaks that resulted from earlier rounds of consultation.

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