London Waterkeeper

Analysis

London Waterkeeper is a registered charity in England and Wales, based in London. It was registered in March 2016, 10 years ago. Its declared purposes cover environment/conservation/heritage and recreation, which this site groups under environment and conservation. Legally it is a charitable incorporated organisation (CIO). It says it provides services, provides advocacy/advice/information and sponsors or undertakes research.

In the financial year ending December 2025, London Waterkeeper reported income of £52k and spending of £46k, spending 88% of its income. Across the 5 years on record, from December 2021 to December 2025, income grew from £33k to £52k (+57%), an average of +12% a year. The sharpest change came in the year to December 2022, when income rose by 104%. Over the whole period it spent 102% of the income it received.

Among 4,574 England and Wales charities whose main cause is environment and conservation and that reported income, London Waterkeeper sits at the 71st percentile: it is larger than about 71% of them. Against every charity in England and Wales with reported income it ranks in the 61st percentile. Charities of a similar size with the same main cause include Berwick-Upon-Tweed Preservation Trust (£52k), Friends of the Upper Wye (£52k) and Otter Valley Association (£52k).