A Phase 1 desk study reviews historical mapping, environmental records, regulatory datasets, and available site information to identify potential contamination sources associated with past or current land use. This forms the foundation of the assessment and highlights potential areas of concern.
The preliminary risk assessment considers potential contaminant sources, pathways, and receptors using a source–pathway–receptor framework. This approach aligns with UK contaminated land guidance and helps determine whether there is a plausible risk that may require further investigation.
A site walkover survey supports the desk-based review by identifying visible indicators of potential contamination, such as made ground, staining, tanks, waste materials, or disturbed soils. Observations are used to verify desk study findings and refine the conceptual site model.
Assessment findings are presented in a clear Phase 1 land contamination report. The report documents baseline information, identifies potential risks, and provides proportionate recommendations suitable for planning submission, land acquisition, or stakeholder review.
Phase 1 contaminated land assessments are frequently requested by planning authorities to inform planning decisions. Our reports are prepared in line with planning policy, the contaminated land regime under Part 2A of the Environmental Protection Act 1990, and relevant technical guidance, supporting decision-making on whether further investigation is required.
Contact HalpinRobbins for Phase 1 contaminated land assessments, desk study reporting, and planning support across England and Wales. Our team will help you understand contamination risk and plan next steps with clarity and confidence.
Contaminated land assessment requires technical accuracy, clear reporting, and an understanding of planning and regulatory processes. HalpinRobbins delivers proportionate Phase 1 assessments focused on identifying genuine risk rather than unnecessary complexity.
You receive clear, well-structured reporting that supports planning authority review and practical advice that helps you understand appropriate next steps without committing to unnecessary cost. Early involvement can reduce uncertainty and support a smoother planning process.
HalpinRobbins provides Phase 1 contaminated land assessments to help identify potential environmental and human health risks at an early stage of development. This desk-based assessment reviews site history, current and former land use, and available environmental information to identify potential sources of contamination and assess the potential risk to people, property, controlled waters, and the wider environment.
A clear Phase 1 assessment supports planning applications, informs land transactions, and helps determine whether further investigation may be required, in line with planning policy and contaminated land guidance.
Land contamination is a material consideration in the planning process and can influence development viability, cost, and programme certainty. A Phase 1 contaminated land assessment provides early insight into potential risks by identifying whether there is a plausible pollutant linkage associated with a site.
Phase 1 assessments are commonly required by planning authorities to support planning applications or to inform the discharge of planning conditions, in accordance with the National Planning Policy Framework (NPPF) and associated guidance. Early understanding of risk allows proportionate decision-making, avoids unnecessary investigation, and supports efficient project progression.
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