The Hornbeam is hired by community groups who share in its vision. A range of groups use the Centre as a base and a place for meetings and events, including:

• Organiclea Community Growers

• Saturday Market stall

• Box scheme

• Common Sense Growers

• Hornbeam Open Mic
• Waltham Forest Cycling Campaign
• Bakers Arms Book Group

• Knitting & crafts group
 (2-4pm Thursdays)
• New Lammas Lands Defence Committee
• Lea Bridge Conservation Volunteers
• WF LETS  – Local Exchange Trading System (Enrolment 10.30 – 12noon last Sat of month)
• Transition Walthamstow
 – Monthly skillshare 8pm on 4th Weds each month

The Hornbeam Centre also has close links with Forest Recycling Project, the HEET Project, and GREEN.

Other groups which meet here include:

• E17 Junior Guitar Club
 (10.00 – 11.30 Saturdays)
• Science Fiction Book club
• Italian class (7-9pm Tuesdays)
• Forest Labour Party
• Waltham Forest Green Party

• Waltham Forest Palestinian Solidarity Campaign