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Helena Preston

Senior Hydrologist

Europe


Biography

Helena is SLR’s resource on nutrient neutrality issues, and the interface between hydrology and Biodiversity Net Gain. Helena is also responsible for managing and undertaking flood risk assessments (FRA) in accordance with NPPF, TAN15, and SPP guidance and preparing surface water drainage plans for insurers, residential and commercial, infrastructure and energy developments throughout the UK. Helena has prepared Water Framework Directive (WFD) assessments for inland and marine sites, and has advised on hydrological issues as they relate to ecological assessments.

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Latest posts by Helena Preston

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  • Rain
    Insight

    08 July 2025

    4 minutes read

    What do the updated Standards for Sustainable Drainage mean for England?

    by Helena Preston


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  • Insight

    20 December 2024

    5 minutes read

    A shift in sustainable development: Understanding biodiversity net gain, hydrology, ecology, and landscape

    by Helena Preston


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  • Insight

    30 August 2023

    5 minutes read

    The challenges of achieving water neutrality

    by Helena Preston


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