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        • Empower communities to look after their local rivers:

          We mobilise thousands of volunteers every year, working along the riverbank to transform neglected rivers into areas that everyone can use and enjoy.

        • Restore the capital’s network of rivers through the power of nature

          We work to clean and green the capital’s 400-mile network of rivers through innovative solutions to boost biodiversity and restore nature.

        • Build a climate resilient London

          We help to build more engaged communities and healthier rivers better able to adapt to the impacts of climate change, now and into the future.

        • a group volunteers in waders walking through a shallow river on a sunny day using sticks to help them balance
        • Working together to improve our rivers

          We deliver a wide range of projects across London and the Thames Basin to restore, protect and improve our rivers for people and wildlife. Explore some of our key projects and programmes

        • Empower communities to look after their local rivers
          We mobilise thousands of volunteers every year, working along the riverbank to transform neglected rivers into areas that everyone can use and enjoy.

        • Restore the capital’s network of rivers through the power of nature
          We work to clean and green the capital’s 400-mile network of rivers through innovative solutions to boost biodiversity and restore nature.

        • Build a climate resilient London
          We help to build more engaged communities and healthier rivers better able to adapt to the impacts of climate change, now and into the future.

        • Working together to improve our rivers
          We deliver a wide range of projects across London and the Thames Basin to restore, protect and improve our rivers for people and wildlife. Explore some of our key projects and programmes.

        • Improving Rivers
          • Backwater restoration in the Maidenhead to Teddington catchment
          • Bathing waters – Reclaim Our Rivers
          • Cator Park, London Borough of Bromley
          • Understanding our rivers through connecting communities to waterways – Catchment Partnerships
          • Chinbrook Meadows Wetlands – PROJECT COMPLETED
          • Community Action for the Cut – PROJECT COMPLETED
          • Greenwich Natural Flood Management (NFM) Project
          • Marsh Dykes & Thamesmead Catchment Improvement Project
          • Oxford Rivers Project
          • Quaggy Habitats – Capel Manor Project – PROJECT COMPLETED
          • Queensmead Recreation Ground, London Borough of Bromley
          • Rewilding the Rom – PROJECT COMPLETED
          • River Beck Restoration
          • River Biodiversity Net Gain Units
          • Road run-off
          • South Essex Catchment Partnership
          • The River Ravensbourne and Glassmill Pond – PROJECT COMPLETED
        • Connecting Communities
          • Beckenham Place Park East – River Ravensbourne
          • Become a Citizen Scientist
          • Chestnuts Field
          • EMPOWER Rivers
          • Plasticblitz
          • Action for Silk Stream
          • Thames Connections
          • Thames River Watch
          • The Roding Rises
        • Education and Training
          • Citizen Science
            • Leading Action for Healthy Rivers: Thames21’s flagship training course
            • Welsh Harp Environmental Education Centre
        • What we do
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Winners of the Thames21 2014 Photography Competition announced

Winners of the Thames21 2014 Photography Competition announced

More than 1000 photographs were entered into Thames21’s annual challenge to capture the essence of London’s waterways. This year’s number of entries reached a record…

Published 20th February 201420th February 2014 Published in Latest news
Thames21 launches a new citizen science project for the tidal Thames

Thames21 launches a new citizen science project for the tidal Thames

Thames River Watch will enable Londoners to get closer to the river and involved with understanding the health of the tidal Thames. It isn’t easy…

Published 18th February 201418th February 2014 Published in Latest news, Media Releases

Latest News

  • Rare wildlife discovered in River Ching and River Lea surveys led by local communities
    Environmental charity Thames21 has funded a survey revealing a diverse range of wildlife in the River Ching, including the critically endangered European eel and the unusual Peach Blossom jellyfish. The findings also highlight evidence of wastewater pollution and barriers that restrict fish movement....

Events Diary

Upcoming Events

Nov 13
10:00 am - 2:00 pm

Thames Road Wetland: Help Manage An Important Wetland

Thames Road Wetland
Nov 15
10:00 am - 2:00 pm

Chiswick Eyot Conservation

Chiswick Eyot, The Mall, London W4 2PR
Nov 17
11:00 am - 1:00 pm

Salmons Brook Restore & Reconnect – Churchfield Recreation Ground Litter Pick

Churchfield Recreation Ground
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Thames21
THAMES21

Address

Main Office location (& deliveries)

The City of London,
Guildhall,
Aldermanbury Street,
LONDON EC2V 7HH

Postal Address

The City of London,
Guildhall,
PO Box 270,
LONDON EC2P 2EJ

Contact us

Satellite Office

Satellite Office: 

The Lock Office,
Bow Locks,
Navigation Road (off Gillender Street),
LONDON E3 3JY

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Welsh Harp Centre

Welsh Harp Environmental Education Centre: 

Birchen Grove,
LONDON NW9 8RY

Contact us


Registered Charity number: 1103997

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