The interim boss of the Environment Agency has said he doesn’t know how long it will be before housebuilders in areas affected by the nutrient neutrality crisis are told exactly what they can do to enable building to recommence.

John Curtin, interim chief executive of the regulatory agency, told the House of Lords Built Environment Committee that he expected the issues around nutrient pollution in protected watercourses to be resolved through an “integrated” process set out under the government’s “Plan for Water”, published in April.

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