AHMM-designed proposals for a 37-storey tower a short distance away from Renzo Piano’s Shard will cause “serious harm” to historic parts of Southwark, according to the government’s heritage adviser.

The findings come in a pre-hearing submission from Historic England to the Planning Inspectorate ahead of a planning inquiry into the scheme – and a trimmed-down 26-story version – that is due to be heard in July and August.

AHMM first lodged its New City Court proposals, drawn up for Great Portland Estates, in 2018. They involve the redevelopment of a 0.37ha site, which is bounded by St Thomas Street and King’s Head Yard, grade II*-listed Guy’s Hospital and properties on Borough High Street.

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