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About us

Mr. David Ian Challice – Chartered Arboriculturist

Professional Membership

  • Arboricultural Association (Grade: Fellow - Membership No. FE00598)

  • The Royal Forestry Society (Membership No. 014688)

  • Institute of Chartered Foresters (Membership No. 0330911)

  • International Society of Arboriculture (Professional Member ID: 11218)


Qualifications Gained

March 2019

Expert Witness — Provide written and verbal Expert Witness statements for Planning Public Enquiry

December 2009

Achieved admission into the Institute of Chartered Foresters

May 2007

Professional Tree Inspection (Lantra) including assessment (Passed)

October 2005

Achieved (NVQ) Level 6 Professional Diploma in Arboriculture (RFS)

Achieved Technician’s Certificate (NVQ) Level 4 (with Credit)

June 2004

NPTC Certificate of Competence in Stump Grinding Operations Level 2

May 2004

NPTC Certificate of Competence in Brushwood Chipper Operations Level 2

December 1995

NPTC- Certificate of Competence
in Chainsaw Operations (Incorporating the Standards of the Forestry Training Council) — Chainsaw Assessments
20, 21 and 22

July 1986

National Diploma (with Credit) in Arboriculture from Merrist Wood College, Worplesdon.

All Arboricultural Courses — 
Best Chainsaw Operator Award
1983-84 & 1986-86

Work Experience/Education

2004 – Present

Challice Consulting Ltd. (Arboricultural Consultancy)

2003 – 2004

Self Build House Project, Surrey

1999 – 2003

Managing Director of Treeline Services Ltd. (AA Approved Arboricultural Contractor and Consultancy)

1991 – 1999

Sole Trader of Treeline (AA Approved Arboricultural Contractor — Manager/Arborist)

1987 – 1991

Partner of Treemasters Tree Care, Banstead, Surrey (AA Approved Arboricultural Contractor — Manager/Arborist)

1986 – 1987


1983 – 1986

Merrist Wood College, Worplesdon, Surrey (Student)

1982 – 1983

Michael Dalrymple Tree Care (Tree Surgeon)

Sample of courses attended

November 2022

Refresher Professional Tree Inspection — Land Skills Training & Assessments Ltd., The Depot, Pixham Lane,
Dorking, Surrey RH4 1PH

February 2019

Courtroom Skills Training — Witness Familiarisation — Bond Solon, London

Excellence in Report Writing — Written Evidence — Bond Solon, London

December 2016

Arboricultural Association — Valuing and Managing Veteran Trees — Warwick Room, Lantra House, Stoneleigh Park, Warwickshire CV8 2LG (Instructo: Mr. Simon Cox)

September 2016

Arboricultural Association — Introduction to Soils — Easthampstead Park Conference Centre, Wokingham, Berkshire RG40 3DF (Instructor: Mr. Andy Moffat — AA CPD Points: 6)

March 2016

Arboricultural Association BS5837 Advanced: Managing Trees on Construction Sites

Garden Room, South Hill Park, Ringmead, Bracknell, Berkshire RG12 7PA
(Instructor: Barrell Tree Consultancy - AA CPD Points: 6)

Arboricultural Association BS5837 Advanced: Tree Assessment for Planning Applications

Garden Room, South Hill Park, Ringmead, Bracknell, Berkshire RG12 7PA
(Instructor: Barrell Tree Consultancy – AA CPD Points: 6)

February 2016

Arboricultural Association BS5837: Tree Surveying and Categorisation Easthampstead Park Conference Centre, Wokingham, Berkshire RG40 3DF (Instructor: Mr. Simon Scotting - AA CPD Points: 6)

October 2015

Arboricultural Association Visual Tree Assessment Workshop for Arborists
Exbury Gardens, Exbury, Southampton

July 2014

Lantra Awards Certificate of Training Professional Tree Inspection
Refresher: Instructor Mr. Guy Watson

June 2014

Quantified Tree Risk Assessment Ltd. The Practitioner’s Guide to Visual Tree Assessment Merrist Wood College, Worplesdon, Guildford, Surrey GU3 3PE

September 2011

‘Trees in Crisis (Part 1) Finding Holistic Solutions to Disease and Decline’ Royal Botanic Gardens Kew

July 2011

What’s it worth? Tree valuation methods in the UK (hosted by the Arboricultural Association)
Wokingham, Berkshire

January 2009

Trees and their Integration into the Planning and Development Process
Qualifying CPD Hours: 1.5 – Presented by Mr. Jeremy Barrell

May 2008

Treework Environmental Practice Tree Management for Public Safety: A Stakeholders’ conference Towards an Industry Statement

Visual Tree Assessment by Dr. Claus Mattheck The Fielder Centre, Hatfield Business Park

March 2005

Quantified Tree Risk Assessment Licensed User Training 
Presented by Mr. M. Ellison, Askam Bryan College, York

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