Why parks are under pressure Popular UK national parks are dealing with prolonged sewage discharges during peak seasons. Visitor surges strain ageing networks, and in many valleys combined sewers struggle during summer storms. This puts every new development—cafés, campsites, lodges, car

Hardstandings hide drainage surprises Retail parks and big‑box stores often sit on expansive hardstandings with complex legacy drainage. When occupiers leave and repurposing begins—trade counters, mixed‑use, last‑mile logistics—surface‑water strategies change significantly. Planning officers will expect evidence that new layouts won’t overload