SuDS driveway planning in London: when you need permission

You usually do not need planning permission to replace a driveway in London if rainwater stays on the plot. A resin bound surface over a SuDS base is the usual route. An impermeable slab with ACO channels and a soakaway can also qualify.

Conservation areas, listed buildings and a new dropped kerb are separate. We flag those on survey.

Resin bound means the stone is mixed through the resin so water can pass. Bonded systems glue stone onto a sealed layer — they are not SuDS-permeable in the same way.

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