We prepare early-stage transport due diligence notes to help clients understand transport risk, constraints and opportunity before land is promoted, acquired or taken forward for planning. Our advice provides a clear, proportionate view of access feasibility, highway constraints and likely transport requirements at the earliest stage of a project.
Transport due diligence is often required to inform land value, development potential, investment decisions and promotion strategy. Our notes are concise, evidence-led and focused on what matters.
What is an early-stage transport due diligence note
An early-stage transport due diligence note is a high-level review of how transport considerations may affect a site’s development potential. It is not a full Transport Assessment, but an early appraisal that highlights key risks, opportunities and next steps.
These notes are commonly used by landowners, developers, promoters, investors and professional teams to understand whether transport issues could constrain delivery or require mitigation later.
Our due diligence notes are tailored to the site and typically include:
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Review of site location and surrounding highway network
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Initial access feasibility and review of site frontages
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Review of maximum achievable visibility constraints and traffic speeds
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Junction suitability and capacity considerations
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Likely trip generation and scale of impact
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Parking and servicing considerations
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Sustainable travel and accessibility overview
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Construction access and routing considerations
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Policy context and local authority expectations and validation requirements
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Identification of key transport risks and opportunities
Where helpful, we include simple sketches or diagrams to illustrate access options. We focus on presenting clear evidence that is proportionate and covers all key matters fully, without unnecessary analysis, keeping reports concise and proportionate.
When transport due diligence is needed
Early-stage transport due diligence is commonly required:
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Prior to land purchase or option agreements
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During site promotion or Local Plan submissions
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To inform investment or funding decisions
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When testing development potential
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For constrained or sensitive sites
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Ahead of pre-application discussions
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When assessing multiple sites for comparison
Early clarity can reduce risk, avoid abortive costs and shape more effective planning strategies.
Our approach
We provide clear, proportionate advice focused on decision making:
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Review available information and site context
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Identify realistic access and movement constraints
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Assess potential scale of transport impact
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Highlight risks, opportunities and unknowns
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Set out clear recommendations and next steps
Our notes are written plainly and designed to be used by both technical and non-technical audiences.
Who we support
We prepare early-stage transport due diligence notes for:
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Residential development and strategic land
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Employment, commercial and logistics sites
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Energy and infrastructure projects
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Mixed-use developments
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Rural and edge-of-settlement sites
Our experience across England, Scotland and Wales provides insight into differing policy frameworks and highway authority expectations.
Need early clarity on transport risk or feasibility?
Get in touch and we will provide clear, proportionate advice to support your next decision.
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