Capital Asset Value for Amenity Trees (CAVAT)

Use this workbook in conjunction with the latest CAVAT Practitioners Guide and with up-to-date CAVAT training.

This Crib Sheet is a summary of Steps 5-9. Use this Crib Sheet for printing and taking into the field as an aide memoir.

This Guide for Practitioners was produced to assist accurate use of the CAVAT Full Method. Launched in February 2023; small revisions to the text were made in July 2026 (version 1.2). It covers revisions to date to the Full Method and is recommended for use with the latest CAVAT spreadsheet.

Read this UVF_Calculator for further information on the derivation of the Unit Value Factor (UVF). Once updated quintennially with annual inflationary increments inline with the RPI, the CAVAT Group have moved to performing a market evaluation annually. This document details how the price of the top-10 selling basket of trees is determined, and converted into the UVF