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Thames21 Limited

Registered charity 1103997, on the register since 27 May 2004. The 4,164th largest charity in England and Wales by income.

What it says it does

Thames21 is an environmental charity that restores rivers across London and the Thames Basin to tackle the climate and biodiversity crisis, inspiring communities to enjoy, speak up for and look after them over the long term.

In the charity's own words, as filed with the Charity Commission.

Its causes

AnimalsArts/culture/heritage/scienceEconomic/community Development/employmentEducation/trainingEnvironment/conservation/heritageGeneral Charitable Purposes

Where it works

It names no single council area: it works across England and Wales, or further.

Check it yourself

Its entry on the Charity Commission register · its own website

Figures are the latest the charity has reported to the Charity Commission, current to 27 September 2026. How this site works.