Plans to redevelop and extend Clarendon House, a 1980s office block in Cambridge, are recommended for approval by city councillors despite opposition from neighbours. Wrenbridge’s proposals to partly demolish, alter and extend the building in Clarendon Road, Petersfield, will go before a planning committee on Wednesday (24 July). If approved, the steel structure would be retained but the single storey front glazed extension would be demolished and the building extended to the north, east and upwards to create a building which varies from three to five storeys, with an undercroft. The offices c…