Ecological Surveys Sussex: Surveys and Assessments

What is an Ecological Survey?

Ecological surveys are undertaken on proposed development projects to establish any ecological issues the development may cause. Ecological surveys may be required during the planning process to ensure planning applications for development and construction are successful. The local planning authority will use the survey to consider how the development will impact the environment of the area.

Landscape ecological management plans can also be requested alongside these surveys for large scale developments.

Ecological Surveys Sussex: Types of Survey

Preliminary ecological appraisal (PEA) – This is the first survey that is carried out by licensed ecological consultants. It is otherwise known as an extended phase 1 habitat survey. This is an initial desktop study and a walkover survey.

A PEA survey will identify the various habitats and species that are present within the site. It will also highlight any planning policy issues and potential impacts of the development on a particular species. 


Ecological impact assessment (ECIA) – This is an essential document that describes the potential effects of any activities on the environment. This assessment takes the results that have been provided from the PEA and uses them to assess any impact. This can be done by undertaking detailed habitat specific surveys such as bat surveys.


Protected Species Survey: If there is any indication that a protected species could be present on a development site, a protected species survey will be required. There are many types of protected species surveys, including badgers, great crested newts, bats, barn owls surveys, water voles, reptile surveys, dormouse surveys, otter surveys and nesting birds surveys.


The chartered institute of ecology and environmental management (CIEEM) and Natural England can provide further information on these surveys.

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Ecological Surveys Sussex: How Can Collington Winter Assist?

Collington Winter is an independent ecological consultancy. We are passionate about ecology and provide a holistic and innovative approach to development with many years’ experience. Collington Winter undertakes ecological services to a wide range of projects in the UK.

Our Ecology Director, Olivia Collington, has a long history of employment in the environmental sector and has an excellent track record. She also holds a protected species licence and is a member of the chartered institute of Ecology Sciences.

Please contact our Ecology Director Olivia Collington Get in touch for more information about bat surveys, great crested newts surveys, water vole surveys and other ecology surveys.

We also provide cost effective ecological appraisal and ecology assessments.

Contact Us

Registered Address

23 Bark Street East, 1st Floor, Bolton, BL1 2BQ

Cambridge Office

Future Business Centre, Cambridge Campus, Kings Hedges Road, Cambridge, CB4 2HY


Head Office: 01204 939 608

Dumfries Office: 01387 378208

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