Bat Survey, Merseyside: Protected Species Surveys

What is a Bat Survey?

Bat activity surveys are undertaken for development sites to inform a planning application and determine presence of bats and whether the development has potential to impact bats. The local planning authority will usually let you know if a bat survey is required for planning permission.

A bat survey will detect the presence or likely absence of bats in a particular area so that plans can be made to proceed with a development. If bats are found to be present on a site, mitigation and compensation measures must be undertaken before any development work can begin.

There are many species of bat which are likely to be found in Merseyside. These include, common pipistrelle bat, Noctule bat, soprano pipistrelle bat and Daubentons’ bats.

bat survey Merseyside

Types of Bat Survey, Merseyside

Preliminary Roost Assessment: This is the first step in the bat surveying process which involves an ecologist carrying out a site visit. They will carry out an internal and external inspection of the building looking for evidence of bats, including insect feeding remains and bat droppings.


Nocturnal Bat Surveys: This involves surveyors using bat detectors to record and analyse bat calls. They will be either bat emergence surveys (when bats are leaving their roost to their foraging habitat) or dawn re-entry surveys (the end of the night out when all the bats return back to their bat roosts.

How Can Collington Winter Assist?

Collington Winter Environmental is an ecological consultancy with extensive experience in undertaking bat and ecology survey work on all types of development projects. Our Ecology Director, Olivia Collington, holds a Natural England Bat licence, and has worked with European protected species across the UK.

Please get in touch with our Ecology Director Olivia Collington ( for more information on protected species surveys, such as bat and great crested newt surveys and a free quote.

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