Trees and Design Action Group
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About TDAG

The Trees and Design Action Group (TDAG) is an open collaborative forum 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.

For more details on our governance, click here​.

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. For details of upcoming meetings in London, the Midlands and the Southwest do not hesitate to contact the local TDAG coordinators.
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 consultations 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. All TDAG consultation responses can be found under Other downloads.
We facilitate knowledge and research dissemination
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. For more details visit our Research page.
>> Read our 10-point Action Plan below to learn more about our aims
10_point_action_plan.pdf
File Size: 219 kb
File Type: pdf
Download File

Join TDAG

Membership is free and allows you to keep up-to-date with the latest news and work within the TDAG network. If you would like to be part of TDAG and join over 500 members in promoting TDAG's aims, please contact us. 
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TDAG has members from the following:
  • 4D Landscape Design
  • ACO Water Management
  • Acorn Environmental Management Group 
  • AECOM
  • Aggregate Industries
  • International Association of Horticultural Producers (AIPH)
  • Amey
  • Arboricultural Association
  • Arup​
  • ATCM
  • Atkins Global
  • b4Biodiversity
  • BALI
  • Bam Construct
  • Barcham Trees
  • Barnes Associates
  • Barrell Tree Care
  • Bartlett Tree Experts
  • Bath & North East Somerset Council
  • Bennetts Associates
  • bere:architects
  • Better Bankside
  • Birmingham City Council
  • Birmingham Trees for Life
  • Bowles & Wyer
  • Brady Mallalieu Architects
  • Bradley-Hole Schoenaich
  • BRAKE
  • BREEAM Communities
  • Bristol Street Trees
  • Bristol Tree Forum
  • Brookfield
  • Capita Property and Infrastructure
  • Carolyn Willitts Studio
  • Chartered Institution of Highways and Transportation (CIHT)
  • Chris Baines Associates
  • CIRIA
  • City and Suburban Trees
  • City of London
  • City of Westminster
  • Civic Engineers
  • Civic Trees
  • Coburn Association
  • Consulting Arborist Society
  • Colvin Moggeridge
  • Countryside Properties
  • Coventry City Council
  • CPRE Sussex
  • Crest Nicholson
  • Dar Al-Handasah
  • David Lock Associates
  • David Meagher Landscape
  • db+a
  • Deepdale Trees
  • DeepRoot UK
  • Design Council
  • DLA Landscape & Urban Design
  • DowntownDC, USA
  • E3 Ecology
  • East Cambridgeshire District Council
  • East Devon District Council
  • East Malling Research (EMR)
  • Edinburgh City Council
  • Environment Agency
  • Epping forest District Council
  • Essex County Council
  • Evolve Consultancy
  • Farrells
  • FDA Landscape
  • Forestry Commission
  • Forest Research
  • Frosts Landscapes
  • Future Trees
  • Gardiner & Theobald
  • Gavin Jones Ltd
  • Geosynthetics
  • GIDE
  • Glasgow City Council
  • Glendale Managed Services
  • Greater London Authority (GLA)
  • Green Balance
  • GreenBlue Urban
  • Green Roof Consultancy
  • Grosvenor
  • Ground Control
  • GVA Grimley
  • Hayden's Arboricultural Consultants
  • Highland Council
  • Hilliers
  • Home Builders Federation (HBF)
  • Hi-Line Contractors
  • Historic England
  • HOK
  • Horticultural Trades Association (HTA)
  • InfraGreen
  • Institute of Chartered Foresters (ICF)
  • Institution of Civil Engineers (ICE)
  • Integrated Transport Planners
  • International Society of Arboriculture (ISA UK & Ireland Chapter)
  • J & L Gibbons LLP
  • JP Associates
  • Kestrel Design Group, USA
  • Kew Arboretum
  • Land Securities
  • Landscape Planning Group
  • Land Use Consultants (LUC)
  • Landscape Institute
  • Landscape Planning Group, OCA-UK Ltd
  • LDA Design
  • Leeds Beckett University
  • Leeds City Council
  • Lichfield District Council
  • London Borough of Brent
  • London Borough of Hackney
  • London Borough of Islington
  • London Borough of Hackney
  • London Joint Utilities Group (LJUG)
  • Lloyds Banking Group
  • Lockhaart Garratt
  • London Parks and Green Spaces Forum (LPGSF)
  • London Tree Officers Association (LTOA)
  • Lovells
  • MADE
  • Majestic Trees
  • Manchester Metropolitan University
  • Mark Hanton Studio
  • Marshalls
  • MEND
  • Mouchel
  • Moulton College
  • Municipal Tree Officers Association (MTOA)
  • Myerscough College
  • National Association of Tree Officers (N.A.T.O.)
  • National Federation of Builders
  • National Park City Foundation
  • Natural England
  • Natural Resources Wales
  • National Joint Utilities Group (NJUG)
  • National Utilities Advisory Group (NUAG)
  • Newcastle City Council
  • NHS Forest
  • Norfolk County Council
  • North East Lincolnshire Council
  • Oldham Council
  • Oxford City Council
  • Palmstead Nurseries
  • Peabody
  • Pegasus Group
  • ​PF8 Ltd
  • Pilbrow & Partners
  • Places for People
  • Platform 5 Architects
  • ​Reardon Smith Landscape LLP
  • Red Rose Forest
  • Robert Myers Associates
  • Royal Botanic Garden Edinburgh
  • Royal Horticultural Society (RHS)
  • Royal Institute of British Architects (RIBA)
  • Royal Parks
  • RSA Group
  • Royal Town Planning Institute (RTPI)
  • Ruskin Group Consultancy
  • Shropshire County Council
  • Spacehub Design
  • Stockley
  • Sustainable Construction Solutions
  • Telford Homes PLC
  • Terra Firma
  • Thurman Consultancy
  • Tim O'Hare Associates
  • Town and Country Planning Association (TCPA)
  • Thames Water
  • The Mersey Forest
  • The Tree Council
  • Torbay City Council
  • Transport for London (TfL)
  • Tree & Landscape Evaluation Systems
  • Tree Check Ltd
  • Trees for Cities
  • Treework Environmental Practice
  • Turley Associates
  • University of Birmingham
  • University of Gloucester
  • University of Leicester
  • University of Manchester
  • Urban Design Group (UDG)
  • Urban Design London
  • Urban Pioneers
  • Victoria Business Improvement District
  • Wharton Tree & Ecology Consultants
  • White Design
  • Wildlife and Countryside LINK
  • Wood for Good
  • Woodland Trust
  • Wrexham District Council
  • Zurich Municipal

Core funding

We raise funds through sponsorship for specific projects including guidance documents, our online case study library, CPD seminars and workshop attendance. This support is signified on a project-by-project basis.
 
Our corporate funders help TDAG to undertake a number of more general tasks including:
  • Developing our knowledge exchange network.
  • Maintaining and updating the website.
  • Responding to requests and identifying  opportunities for effective conferences and workshops.
  • Liaising with and supporting other organisations to further activities which contribute to TDAG's goals.
  • Partnering with and disseminating research projects.
  • Responding to consultations.
 
Full details are available here. 

Our current corporate core funders are:
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​www.trees.org.uk
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www.barcham.co.uk
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www.glhearn.com
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www.deeproot.com
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www.wrekinproducts.com

Support our work as an individual

It is easy and secure for individuals to support TDAG's work via Virgin Money Giving. Just click below! 
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