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tidal thames

River Litter Detectives – Sands End

Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we find and categorising it…

River Litter Detectives – Limekiln Dock

Book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we…

River Litter Detectives – Bishop’s Park

BOOK YOUR PLACE NOW Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we find…

Sands End River Clean Up & Litter Detectives

Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we find and categorising it…

River Litter Detectives – Limekiln Dock

Book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we…

Totally Thames: River Litter Detectives – Sands End

Book your place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we find…

Totally Thames: River Litter Detectives – Poplar Rowing Club

Please book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter…

Totally Thames: River Litter Detectives – Limekiln Dock

Book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we…

River Litter Detectives – Bishop’s Park

BOOK YOUR PLACE NOW Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we find…

Latest News

  • Thames21 issues preliminary response to government’s Water White Paper
    We are currently reviewing and analysing the government’s ‘Water White Paper’ to inform our comprehensive response. In the meantime, we have conducted a preliminary scan and highlighted the key points...
  • Events Diary

    Upcoming Events

    Feb 6
    12:30 pm - 2:30 pm

    River Litter Detectives – Sands End

    Broomhouse Dock
    Feb 10
    12:00 pm - 2:00 pm

    River Litter Detectives – Limekiln Dock

    Limekiln Dock
    View Calendar

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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

    Contact us


    Registered Charity number: 1103997

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