• Thames21’s Welsh Harp Environmental Education Centre (WHEEC) update – July 2025

    After recent discussions with Brent Council, Thames21 is sad to announce that it will no longer continue to support the operation of the Welsh Harp…

  • Thames21 and the River Roding Trust launch water quality monitoring project on the lower Roding

    Environmental charity Thames21 and the River Roding Trust are working together on a groundbreaking programme to identify, test and fix the most damaging sewage and…

  • New research reveals over half of Thames Water’s sewage works struggling to meet demand

    Independent analysis has estimated that more than half of Thames Water’s 351 sewage treatment works are currently operating without sufficient capacity to treat the volumes…

  • Welcome to Thames21

    We reconnect people to nature by helping them enjoy, protect and enhance their local rivers.

    Whether it’s the Thames or one of its many tributaries, we offer inspiring ways for communities to get down to their local riverbank.

    Rivers, canals and stretches of open water are the perfect antidote to urban living – which is one of the reasons thousands of volunteers help us rewild and protect them every year.

    Our aim is to rebuild the relationship between communities and their rivers; restoring river health and boosting wellbeing and community cohesion in the process.

    Feeling inspired?  Find out more