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Tree Inspection Training

Professional Tree Inspection


An advanced three day course with assessment including written test, tree inspection and fungi identification.

An advanced course for those who already have a high degree of tree knowledge. Designed to equip learners to clearly and competently inspect potentially hazardous trees as part of their main duties and then write appropriate and detailed remedial works (control measures) with appropriate time scales or priorities indicated.

As a pre-requisite of the course you will be expected to have a detailed knowledge of tree biology, the tree as an undamaged self-optimised structure, biological and mechanical weaknesses, pathology, legislation, remedial options and their likely implications and the British Standard 3998 Recommendations for Treework.

Prospective learners should be experienced and qualified arboriculturists who are thoroughly experienced in carrying out tree inspection and survey.

This course will enable you to identify defects from ground level, from a climbed inspection or inspection aided by the use of a Mobile Elevated Working Platform (MEWP)*.

At the end of the course you will undertake a competence based assessment directly related to tree inspection.

The course is not aimed at covering report writing; however, presentation of findings will be examined and advice given. *Tree climbing and use of MEWP will not be required during the course.


  • Recognise the role of the tree inspector in risk management.
  • Identify the legal framework in the context of statute and common law that affect tree inspection and the duties and liabilities of the owner, manager and inspector.
  • Summarise how a tree system functions, what constitutes a safe tree and know that energy is required to keep the tree in a healthy/safe state.
  • Adopt a systematic and consistent methodology for carrying out visual tree inspection at an advanced level with the aid of binoculars, mallet and probe.
  • Collect data out in the field in accordance with the inspection instructions (having determined the scope and limitations) using a suitable format. (For this course a written survey template with appropriate headings will be used).
  • Recognise a range of observable mechanical and biological defects as seen in trees and confirm by the use of textbooks where necessary.
  • Identify a range of commonly seen pests, diseases and disorders that affect tree safety, confirm their identity by the use of textbooks, where necessary, and state the arboricultural significance of finding them in the field.
  • State the appropriate control/remedial measures required to eliminate or reduce risks identified in the inspection process to an acceptable level.
  • Determine when an aerial inspection is required, also if pro-active management recommendations can be made which may eliminate future defects from forming.
  • Prioritise the necessary tree/management works with time scales based on a broad category of risk assessment.
  • Identify when it is appropriate to recommend the use of decay detecting or measuring equipment, based on a basic knowledge of the working principles of commonly available equipment.
  • Understand that a balance between the remedial measure opted for and the range of benefits/values that a tree may have requires special attention, for example amenity, wildlife, historical, veteran, rarity and public access.

Why not couple the Professional Tree Inspection course with our Aerial Rescue and accessing a tree from rope and harness to provide flexibility in terms of aerial surveys.


2019 Dates TBC


Conwy area venue to be confirmed


£485 per person, inclusive