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Flood Defence or Wildlife Haven? The Dual Purpose of 11 New Ponds

Hampstead Renovations · 2026
LocalNW London specialists
RIBAChartered architectural team
IndependentSurveying via Hampstead Chartered Surveyors

The Statutory Foundation: The Hampstead Neighbourhood Plan 2025-2040

This environmental planning article investigates the proposal to create up to 11 new small ponds on the Heath, examining their dual function in flood mitigation and habitat creation. The piece explains the technical aspects of Sustainable Drainage Systems (SuDS) and how leaky dams on streams slow water flow to reduce downstream flooding in surrounding residential areas. It then explores the biodiversity benefits, showing how new ponds can support dragonflies, damselflies, amphibians, and wetland plants. The article places this initiative in the context of climate adaptation, arguing that the Heath must evolve to address both conservation and flood risk challenges in an era of more extreme weather.

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