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Cobham · Surrey

BS5837 Tree Survey Cobham For Planning & Design

Trying to validate a Cobham planning application? If a tree survey is one of the missing pieces, send the validation wording and plans and we will make the next step clear.

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Site address + current plan + council wording is enough to start.

Local Planning AuthorityElmbridge Borough CouncilCurrent council information ↗

Cobham BS5837 survey

Tree survey information your project can actually use

Neighbouring trees are often overlooked at the start of a project. If a crown or rooting area can influence the proposed development, that tree can still matter even though it is outside your ownership.

Send the current site plan and any Elmbridge wording. The survey should capture the trees that can influence the proposal, including relevant neighbouring trees, so the design team can work with a realistic constraint base.

For Cobham projects, early survey and constraints information can be particularly useful where established gardens and mature trees influence the developable space. The goal is to see those relationships before the architectural layout becomes difficult to change.

The survey extent for Cobham is therefore based on what can affect the project, not simply on the legal boundary line.

What should you send before the survey is booked?

Start with the Cobham site address, the latest architectural or site plan and the exact wording from Elmbridge, your architect or planning consultant. If a topographical survey exists, include it. If somebody has already prepared a tree report, send that too.

Those documents let us understand the stage of the project before we quote. A client who is still testing feasibility may only need the baseline survey and constraints information. A client with a completed planning layout may need the survey data to move directly into an AIA. A post-permission project may not need a fresh survey at all if the approved information remains suitable.

The aim is to commission the next useful piece of work, not the longest possible package.

From site visit to planning evidence

See how the survey feeds the design.

Survey work is only useful when the information carries cleanly into the drawings, assessment and protection strategy. These are the stages your project team may move through after the site visit.

01 · Site surveyMeasure the trees and understand the site.

02 · Design coordinationPut crowns, RPAs and tree quality in front of the designer.

03 · Planning & buildCarry the same evidence into AIA, AMS, TPP or supervision.

What happens on the survey

The site visit builds the evidence base for planning.

The exact extent depends on the site, but a planning survey normally records the tree information needed to understand quality, spatial constraints and the relationship with the proposed development.

Species & dimensions

Relevant trees and groups are identified and measured so the schedule has a reliable factual base.

Condition & category

Observations and BS5837 categories help the design team understand relative quality and retention value.

Crowns

Crown spread and clearance help test the proposed building, access and future relationship.

Root Protection Areas

Stem diameters provide the basis for RPAs that can then be mapped and considered against the design.

Before the site visit

A little preparation makes the survey more useful.

If the Cobham property has been surveyed before, do not hide the old report because you think it is out of date. Send it. Previous tree references, measurements and photographs can provide useful context even where a fresh inspection is required, and they can show how the site or tree stock has changed.

The same applies to old planning decisions. If Elmbridge has already commented on trees, refused an earlier layout or imposed a condition, that wording can change which part of the arboricultural process needs attention first.

When in doubt, send the information rather than trying to decide whether it matters. We can ignore an irrelevant drawing; we cannot take account of a planning condition, revised layout or access issue that we have never been shown.

Why people in Cobham contact us

Four common points where a tree survey becomes necessary.

The page does not assume your project is one particular type. These examples are selected from the situations we regularly need to scope on development projects.

Revised proposal

The project has changed and the team needs to know whether the existing survey still supports the new design.

Access and surfacing

Driveways, parking or hard landscape need to be considered against RPAs and retained trees.

Planning validation

The council or planning agent has asked for a BS5837 tree survey before the application can progress.

Neighbouring trees

Trees outside the ownership boundary may still constrain the building, access or construction.

Elmbridge planning context

The survey is the start of the evidence, not the end of it.

For Cobham and Elmbridge, the key survey question is often how the building, access, surfacing and surrounding trees fit together.

Once the tree data is established, the next step depends on the design stage. A Tree Constraints Plan helps the architect before the proposal is settled. An Arboricultural Impact Assessment explains how the live layout affects trees. If permission is granted with tree conditions, an Arboricultural Method Statement, Tree Protection Plan and supervision can carry the approved strategy into construction.

Keeping those stages connected is useful for everybody: the client does not pay for repeated data collection, the architect has one consistent survey base, and the Local Planning Authority can follow the same tree references through the project.

01SurveyRecord the trees that can influence the site.
02ConstraintsPut crowns and RPAs onto the design base.
03ImpactAssess the actual planning layout.
04Protect & buildUse AMS, TPP and supervision where needed.

What can change the survey/report scope?

The site boundary is only one part of the picture.

These are the issues worth flagging when you first enquire because they can affect what information the project team will need next.

Neighbouring trees

Relevant trees beyond the ownership boundary may still influence foundations, crowns, access and design.

Driveways & hard surfacing

Parking and access can interact with RPAs even where the building itself is comfortably separated.

Drainage & services

Trenches and level changes need to be considered before routes are fixed close to retained trees.

Construction space

Scaffolding, plant, compounds, demolition and material storage can create impacts that are not obvious on the final layout.

Need more than the baseline survey?

These pages explain each later stage separately. You can also send the council wording and let the consultant identify the correct one for you.

Survey, feasibility and planningBS5837 Tree SurveyThe site survey that gives your architect and planning team reliable tree data before design decisions become expensive to change.Planning submission and technical reportingBS5837 Tree ReportA clear planning document that explains the tree survey, the development context and the arboricultural evidence needed for the application.Planning design and submissionArboricultural Impact AssessmentThe assessment that tests the proposed layout against retained trees and explains the impacts, mitigation and arboricultural case for the design.Pre-commencement and construction planningArboricultural Method StatementConstruction instructions for the parts of the build that need to happen carefully around retained trees.Planning submission and pre-start complianceTree Protection PlanA site drawing showing exactly where retained trees are protected and where construction activity is restricted.Feasibility and early designTree Constraints PlanThe design-stage plan that shows crowns, Root Protection Areas and tree quality before the development layout is committed.Construction and condition complianceArboricultural SupervisionSite attendance and records for the sensitive construction stages that planning conditions or an AMS say need arboricultural oversight.Detailed design and Building RegulationsBuilding Control Tree SurveyVegetation information for foundation and structural design where Building Control, an engineer or a warranty provider needs reliable tree data.

Around Cobham

Nearby Surrey survey areas

If the project team is working across several sites, use the relevant local page for each address. The underlying service remains survey-first, while the local authority and nearby-area context changes with the site.

Claygate Downside Esher Fairmile Hersham Hinchley Wood Long Ditton East Molesey West Molesey Molesey

Cobham survey questions

BS5837 tree survey FAQs

General answers for planning projects in Cobham. Send the exact authority wording where your application is already live.

Do I need a BS5837 tree survey for planning in Cobham?

You may if trees on or close to the site can influence the proposed development or if Elmbridge has requested arboricultural information. Send the current plan and the exact wording and we can confirm the appropriate scope before you instruct.

Which planning authority covers Cobham?

For this page the Local Planning Authority is Elmbridge Borough Council. Always use the wording from your own application, validation request or condition because that is the project-specific requirement that needs to be answered.

Do I need a Tree Constraints Plan as well?

Often at design stage. The TCP puts the survey information onto a plan so the architect can see crowns, RPAs and tree quality while developing the layout.

Does every project need AIA, AMS and TPP?

No. The documents depend on the planning stage and the actual impacts. Some projects only need part of the BS5837 sequence.

Will the survey include neighbouring trees?

Relevant trees beyond the ownership boundary can be included where they may influence the proposed development.

Does a TPO replace the need for a BS5837 survey?

No. TPO and conservation-area controls are separate legal matters. A development survey assesses the relationship between the project and the trees.

Can I get a fixed-fee proposal first?

Yes. The project information is reviewed before instruction so the proposal can define the work and fee clearly.

When would I need an AIA after the survey?

Usually once there is a sufficiently developed proposal to assess against the survey and constraints information.

Cobham · Surrey

Get the tree survey requirement off your list.

Send the site address, current plan and the council wording. We will confirm the right survey/report scope and provide a fixed-fee proposal.

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