Is a Driveway Permeable in 2026? UK Planning Rules Explained

whatever the surface. Over 5m² and impermeable， impermeable， but draining to a soakaway。

Quick Answer Permeable driveway planning — the short answer Under 5m²: no planning permission needed， a driveway is permeable when rainwater can soak through or around it into the ground rather than running off into the public sewer. Choose a permeable build-up and you sidestep the planning application entirely — which is why permeable driveways have become the default for front gardens across the UK. ， border or lawn: also permitted development. Why it exists: the rule reduces surface-water flooding by keeping rainwater out of overloaded drains. In short， draining to the road: planning permission is required. Over 5m² but permeable (gravel， permeable block paving， porous asphalt): permitted development — no application needed. Over 5m²，。