Jurisdiction(s):
United Kingdom

Related legal acts

Key definition

Land contamination definition

What does Land contamination mean? Land contamination describes the presence of pollutants, hazardous substances or waste in, on or under land that may present risks to human health, controlled waters, buildings or the wider environment, typically identified through environmental due diligence, Phase 1/Phase 2 site investigation and risk assessment. It is a descriptive expression used in planning, environmental liability and transactional contexts, rather than a term defined in legislation or case law. The expression is broader than the statutory concept of “contaminated land”: in England and Wales and in Scotland that defined term arises under Part 2A of the Environmental Protection Act 1990 (with associated...

Contaminated land: regulatory, civil and contractual liabilities, triggers, enforcement and remediation standards in England and Wales

Published by a LexisNexis Environment expert

Practice notes

Types of Land contamination Liabilities

There are several liability types linked to Contaminated land, summarised as follows:

Regulatory action: planning regime; contaminated land regime; environmental damage regulations; water pollution legislation; environmental permitting regime
Third party liabilities: Private nuisance claims for off-site migration; public nuisance claims; personal injury claims; claims relating to negligent advice; misrepresentation; insurance disputes
Contractual liabilities: indemnities in sale contracts; indemnities in corporate and sale and purchase agreements; remediation agreements
Other liabilities: landlord and tenant obligations; clean-up, investigation and monitoring costs; loss of property value; delay or aborted transactions; accounting provisions; negative publicity

Planning regime

In most cases, contamination is addressed voluntarily when land is developed or redeveloped via the planning system. The National Planning Policy Framework sets the planning policy for managing contamination risks.

Question

Who is liable?

Answer

The developer is responsible for making sure a development is safe and that the site is suitable for its use (NPPF, paras 196–198). The Local Planning Authority (LPA) may use:

planning conditions—requiring site investigations, remediation and monitoring, or
planning obligations—to undertake works, restrict the development, or make payments to the LPA

Type of harm?...

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Web page updated on 21/05/2026

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