Bat Survey Carlisle

Bat survey Carlisle: What are bat surveys?

Bat surveys may be required for some developments to assist with planning applications. A survey will help to determine whether there are bats located in a structure or tree within proximity of the site.

These bat surveys detect the presence or likely absence of bats within the development area so that plans for the development can go ahead. If the survey finds that there are bats on a site, compensation and mitigation measures must be undertaken before any development work is permitted to proceed.

bat survey carlisle

When to survey for bats in Carlisle


Bat activity in Carlisle is at it’s peak during the summer months. Therefore, surveys should be carried out during this period to determine the presence of roosting bats. If bat activity is found during a bat survey in the summer months, a bat hibernation survey could be required during the winter months. This will establish whether the area is also used by hibernating bats.

Types of survey

There are two types of bat surveys. The first is a preliminary roost assessment which involves an Ecologist carrying out a site visit. They will carry out both an internal and external inspection of the building looking for evidence of bats, including insect feeding remains as well as bat droppings.

The second type are nocturnal bat surveys which involves surveyors using bat detectors to record and analyse bat calls. These surveyors will operate either when bats are leaving their roosts to forage or when the bats return to their roosts.

How can Collington Winter assist with your bat survey Carlisle?

Collington Winter Environmental are an experienced team of ecological consultants with extensive knowledge in undertaking bat surveys on a variety of development projects. Our Ecology Director, Olivia Collington, holds a Natural England Bat licence, and has worked with protected species throughout the UK.

Please get in touch with our Ecology Director Olivia Collington via email ( for information on bat and other protected species surveys.

We also provide ecological appraisal and assessment services.

Our Director Jane Winter also provides landscape architecture services.


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