Glenn Howells Architects has revealed its designs for what it claims will be the world’s tallest “pure octagonal” tower.

Known as Octagon, the 49-storey build-to-rent tower would be the first residential element in Birmingham city centre’s Paradise development.

This will require a new planning application because the city centre scheme – which is replacing John Madin’s brutalist library – was originally entirely earmarked for office and retail space. The rest of the scheme is expected to be built out in line with the existing consent.

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