Housebuilder Hill has taken four major residential schemes back to the drawing board totalling over 2,500 homes due to new requirements to add a second staircase to residential blocks of more than 30 metres.

Andy Hill, chief executive of £716m-turnover Hill Group told Housing Today the requirements for a second staircase, which are out for consultation across England but have been brought in already in London, were causing delays of at least six months per scheme and would hit the viability of projects.

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