What Is a BS5837 Tree Survey and When Is It Required?
Trees often play an important role in planning decisions. If a property contains existing trees, or is close to neighbouring trees, local planning authorities may require a BS5837 tree survey before granting permission for development.
This survey follows the British Standard BS5837:2012, which provides guidance on how trees should be assessed and protected during construction. For homeowners, developers, architects, and planners, understanding when a survey is needed can help prevent delays during the planning process.
This guide explains what a BS5837 tree survey involves, when it is required, and how it supports planning applications while protecting valuable trees.
What Is a BS5837 Tree Survey?
A BS5837 tree survey is an arboricultural assessment carried out to evaluate trees on or near a development site. Its purpose is to identify the quality, condition, and potential constraints that trees may place on construction proposals.
The survey forms part of the planning documentation required by many local authorities when development could affect trees.
A qualified arboricultural consultant records detailed information about each tree, including:
- Tree species
- Height and canopy spread
- Trunk diameter
- Age category
- Structural condition
- Estimated remaining life expectancy
- Root protection areas
These details are used to determine which trees should be retained, managed, or removed during development.
The information is then used to produce a tree constraints plan that helps guide site layout and design decisions.
When Is a BS5837 Tree Survey Required?
A BS5837 tree survey is typically required when submitting a planning application for development on land where trees are present or nearby.
Local planning authorities often request a tree survey for planning in situations such as:
BS5837 Survey Requirements Explained
Understanding BS5837 survey requirements can help property owners and developers prepare their planning applications correctly.
The British Standard sets out a structured approach to tree assessment and reporting. A typical survey includes several key components.
Where development proposals exist, the consultant may assess how construction will affect existing trees. This assessment considers potential impacts such as excavation, root disturbance, shading changes, and soil compaction.
If trees are being retained, the report may recommend protective fencing and site management procedures during construction. These measures ensure that retained trees remain healthy throughout the building process.
Why Tree Surveys Are Important for Planning
Trees provide environmental, visual, and ecological value. Local authorities aim to retain suitable trees wherever possible while still allowing appropriate development.
A tree survey for planning helps planners understand the relationship between proposed buildings and existing trees.
This information supports informed decision making in several ways.
Who Needs a BS5837 Tree Survey?
When Professional Arboricultural Advice Is Needed
Planning regulations can be complex, and tree related requirements vary between local authorities.
If a site contains mature trees or protected trees, seeking professional advice early can help avoid unnecessary planning complications.
A qualified arboricultural consultant can carry out the necessary surveys, interpret planning guidance, and provide practical recommendations that support both development and tree protection.
For projects across Wales, the West Midlands, South West England, and wider UK locations, professional surveys help ensure planning submissions meet local authority expectations.
You can learn more about Planning Surveys and how they support development projects.
Where additional advice is required during the application process, Planning Support can help interpret arboricultural requirements and liaise with planning teams.
In some situations, further inspection may also involve Tree Assessment or Tree Safety Inspections to understand structural condition and risk.
Wrapping Up
A BS5837 tree survey plays an important role in the planning process whenever development could affect existing trees.
By documenting tree condition, mapping root protection areas, and identifying potential construction impacts, the survey helps balance development with responsible tree management.
Understanding BS5837 survey requirements early in a project can reduce planning delays, improve site design, and ensure valuable trees are considered during development proposals.
If you require a tree survey for planning, or advice on how trees may affect a planning application, you can contact BM Tree Consultancy for independent arboricultural guidance.
Frequently Asked Questions
What is a BS5837 tree survey?
A BS5837 tree survey is an arboricultural assessment used to evaluate trees on or near a development site. It records tree condition, size, and location to help planning authorities understand how proposed construction may affect existing trees.
When is a BS5837 tree survey required?
Who carries out a BS5837 survey?
What information is included in a BS5837 report?
A BS5837 report usually includes a tree survey schedule, tree constraints plan, and arboricultural impact assessment. These documents identify tree condition, root protection areas, and potential construction impacts.