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Thames21

Thames21 Annual Report and Audited Financial Statements for the year ended 31 March 2025

Thames21's Annual Report for the year to 31 March 2025 sets out the charity's purpose and public benefit, how it delivers its mission of connecting people with their rivers, project case studies, impacts, communications, fundraising progress and future plans for 2025/26, together with governance, risks and audited financial statements. It highlights work such as leading efforts to restore the River Roding, one of London's most polluted rivers, for people and nature.

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About

Thames21 is an environmental charity that mobilises volunteers and communities to improve London's rivers and waterways, from litter clean-ups and wetland creation to citizen science and campaigning on water quality.

Key Metrics

11,664 volunteer participants involved in practical river action in 2024-25
7,700 trees planted
7.9 kilometres of river restored

Key Outcomes

  • Volunteers engaged in cleaning and restoring London's rivers
  • River restoration projects such as the River Roding
  • Citizen science and campaigning on water pollution

Geography

London

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