All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page
River clean-up
Dollis Brook – Balsam Blitz
51.643019, -0.195686This particular event we will be focusing on invasive species removal exclusively. This will involve a fairly long walk, just over 1k in waders along the Dollis Brook so a reasonable level of fitness is required for this event, and isn’t suitable for under 16’s.
Cray River – Balsam Blitz
Its that time again... Spring has fully sprung and we have work to do. Thames21 have for 2 years been laying the ground work to...
Dollis Brook – Balsam Blitz
51.630724, -0.178791As part of the Thames21 "Dollis Brook Toe-boarding removal Project" we were also successful in securing some funding from Affinity Water to tackle the invasive...
Cray River – Balsam Blitz
51.441173, 0.149808Himalayan Balsam, an invasive plant that damages our fragile river systems, it erodes the riverbanks, outcompeting native plants and grows readily in wet condition. Sadly, it has spread quite pervasively down many UK rivers like the Cray in Bexley.
Cray River – Balsam Blitz
51.441173, 0.149808Himalayan Balsam, an invasive plant that damages our fragile river systems, it erodes the riverbanks, outcompeting native plants and grows readily in wet condition. Sadly, it has spread quite pervasively down many UK rivers like the Cray in Bexley.
Dollis Brook – Balsam Blitz
51.643019, -0.195686As part of the Thames21 “Dollis Brook Toe-boarding removal Project” we were also successful in securing some funding from Affinity Water to tackle the invasive plant Himalayan Balsam. While we are...
Cray River – Balsam Blitz
51.432897, 0.137894Himalayan Balsam, an invasive plant that damages our fragile river systems, it erodes the riverbanks, outcompeting native plants and grows readily in wet condition. Sadly, it has spread quite pervasively down many UK rivers like the Cray in Bexley.
Cray River – Balsam Blitz
51.44093 N, 0.15166 E 95 Thomas Shearley Court, BexleyHimalayan Balsam, an invasive plant that damages our fragile river systems, it erodes the riverbanks, outcompeting native plants and grows readily in wet condition. Sadly, it has spread quite pervasively down many UK rivers like the Cray in Bexley.