Pledge your Love to the Lea

Upcoming Events

Thu 24

Natural Flood Management on Rise Park Stream – training and site walk

September 24 @ 10:00 am - 1:00 pm

Fri 25

Leaky dam building – Park Wood, Hillingdon

September 25 @ 10:00 am - 3:00 pm

Fri 25

FULLY BOOKED – Big Post Lockdown Count

September 25 @ 1:30 pm - 3:30 pm

London

Thames21 on Twitter

Tweets by 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

Phone: 020 7248 7171

Other addresses

Satellite Office:

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

Phone: 020 7515 3337

Welsh Harp Environmental Education Centre:

Birchen Grove, LONDON NW9 8RY

Education sessions and room hire enquiries:

Phone: 07734 871728

Registered Charity number: 1103997

MENUMENU

Home
Get Involved
Support Us
Privacy Policy

We use cookies to offer you a better browsing experience and to analyse site traffic. Read about how we use cookies and how you can control them by viewing our cookies policy. If you continue to use this site, you consent to our use of cookies. Our Cookies Policy