Last edited 06 Nov 2018

Environmental impact assessment EIA

Contents

[edit] Overview

The Town and Country Planning (Environmental Impact Assessment) (England and Wales) Regulations 2011 sets out a requirement to carry out an environmental impact assessment (EIA) as part of the planning application process for certain projects (generally large or environmentally complex projects).

The purpose of an EIA is to ensure that the environmental effects of a proposed development are properly considered. An EIA provides the local planning authority with better information about certain types of project enabling them to make a more informed decision about whether permission should be granted and to allow imposition of more appropriate conditions and obligations to mitigate possible negative impacts.

For more information, see Environmental impact.

Carrying out an EIA can involve a considerable amount of work, and can cause significant delays and additional costs to a project, so it can be advisable to enter into early consultation with the local planning authority to determine whether an EIA will be required, and if so, what it should contain and what methodology should be used to carry out the necessary assessments.

If an applicant is uncertain about whether an EIA is required, they can ask the local planning authority for a decision called a screening opinion (or screening decision). They can also ask the local planning authority for advice about the required scope of the EIA, this is called a scoping opinion (or scoping decision). If the applicant disagrees with these opinions, they can appeal to the Secretary of State who will then make a direction.

EIAs are required for developments described in Schedule 1 and Schedule 2 of The Town and Country Planning (environmental impact assessment) (England and Wales) Regulations. This includes a wide variety of projects such as:

An Environmental Statement summarises the findings of the EIA process and is used primarily to inform decision makers regarding the environmental implications of the development. In addition, it should provide appropriate information for statutory consultees, other interested organisations and members of the public and should provide a basis for consultation.

An Environmental Statement may contain:

See Environmental Statement for more information.

[edit] Updates

In April 2015, the Town and Country Planning (Environmental Impact Assessments)(Amendment) Regulations 2015 came into effect, raising the threshold above which a screening decision is required to determine whether an environmental statement is necessary, as set out in the Town and Country Planning (Environmental Impact Assessment) Regulations 2011. Controversially, this raised the threshold for industrial estates, residential developments and other urban developments from 0.5 hectares to five hectares (or 150 units for residential developments).

In addition, in April 2014, the Council of the European Union approved changes to the environmental impact assessment directive with new elements including '...a mandatory assessment of reasonable alternatives studied by the developer, broader scope, as the EIA will cover new issues, and more detailed provisions on screening.' Member states have three years to incorporate the changes into national legislation (ref. EN, Council approves environmental impact assessment directive 14 April 2014).

In December 2016, the government launched a consultation on proposed changes to legislation that are needed to implement amendments introduced by the 2014 Directive. The consultation closed in January 2017.

In October 2018, the government published statutory instruments confirming that developers will still be required to undertake EIAs after the UK leaves the European Union, ensuring continuity of planning policy.

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