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Local Authority

Flood signs

Supporting local authorities in the development of strategic flood risk assessments and implementing sustainable drainage systems

Groundwater flooding is one of the most costly natural hazards facing critical infrastructure in the UK. The highest susceptibility is greatest in some of the most densely populated areas of England.

Our innovative approach to meeting customer needs has led to the development of the UK’s first high resolution groundwater flood risk map showing the risk of groundwater flooding at the property address level.

This is widely used by many of the UK’s Lead Local Flood Authorities to understand risk and to support the development of Strategic Flood Risk Assessments. This data is now featured in more than 40% of UK’s property transactions.

Our environmental reports and data are widely used to support planning applications, property transactions and property due diligence.

Our data can be used by local authorities to support Development Control and Strategic Planning departments meet the requirements for flood risk assessment, contaminated land Part 2A and sustainable drainage systems.

Our sustainable drainage system map of the UK can be used to identify the likelihood of sustainable drainage on any property address in the UK.

Infrastructure owners and asset managers increasingly require advanced warning of impending flood events and the impact of climate change scenarios.

Our 30 day flood forecasting service provides a daily alert to groundwater levels and the risk of flooding over the period. We can also model different climate change scenarios to help quantify the risks associated with groundwater flooding and other ground stability risks.


  • Authoritative
  • UK coverage
  • Quality assured
  • Quantitative risk assessment
  • Likelihood and severity of flooding
  • Likelihood of Sustainable Drainage Systems
  • Property and address level data
  • 30 day forecast of groundwater flood risk

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