My Lords, it depends where the culverts are. Clearly some are on private land and some are on public land. Local authorities will expect private developers to clear areas, particularly when assessing flood risk. So, depending on the circumstances, there are various obligations on various stakeholders to undertake some of these matters. However, the noble Lord raises an important point.
Amendment 120 covers any development located anywhere—even in areas where, for example, flood risk had not been identified. The housebuilder would be liable even where floods could not be foreseen. The amendment does not differentiate between causes of floods, so if flood defences were overwhelmed, the housebuilder would be liable. It requires the full costs to be covered, even for those for which the householder’s domestic insurance would provide cover, which I am afraid is a fertile area for dispute between developer, insurer and the housebuilder. It would also cause potential confusion with existing warranty schemes for new homes. However, I take the noble Baroness’s point that development should not add to flood risk and I would like to describe the Government’s approach to that important matter.
Flood risk is an important consideration in the planning system and there are already strong policy safeguards in place. The national planning policy is designed to ensure that if there are better sites in terms of avoiding flood risk or if a proposed development cannot be made safe from flooding, it should not be permitted. Local planning authorities are expected to steer new development to areas at least risk of flooding wherever possible. They should apply this approach through their local plan and in planning decisions take advice from people such as the Environment Agency and other flood risk management authorities, which might include the water authorities.
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