Trees and Design Action Group Trust

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Registered address
118 Cambridge Street,


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About TDAG

The Trees and Design Action Group (TDAG) is an open collaborative facilitating cross-sector and cross-disciplinary dialogue and projects promoting the role of the urban forest throughout the United Kingdom.

The group shares the collective vision that the location of trees, and all the benefits they bring, can be secured for future generations through better collaboration in the planning, design, construction and management of our urban infrastructure and spaces.

Established in 2007 as a not-for-profit and apolitical collaborative forum, TDAG incorporated as a charitable trust in 2013. Its membership, online publications and information are free. This approach enables TDAG to assimilate ideas and knowledge independently of organisational hierarchy, profit or commercial interests.

What we do

We provide a forum for cross-sector working

TDAG meets regularly in several locations which, to date, include London, Birmingham and Exeter. It is understood that all members cannot attend every meeting, but all are kept fully informed through meeting notes. The focus of each meeting is driven by the membership.

We produce best practice guides

TDAG uses its membership’s broad expertise and experience to develop guides offering evidence-based information, practical advice and case studies to inform decision-making on urban trees.

We respond to consultations

TDAG responds to policy consultation on policy documents as well as best practice standards and guidance that can have an impact on the urban forest. All members are invited to contribute, allowing a holistic and balanced response.

We facilitate knowledge dissemination and research development

TDAG helps identify and promote available reports and research that can inform better decision making on urban trees. It also seeks to identify knowledge gaps and how they can be addressed.

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