Bat Survey

There are currently 18 species of bats in the UK, 17 of which are known to breed here; all are protected under the 1981 Wildlife & Countryside Act (as amended) and are listed in Schedule 2 of the Conservation of Habitats & Species (Amendment) (EU Exit) Regulations 2019 and bat populations have suffered severe decline over the last century. Bats are natural pest controllers eating thousands of insects every night and require different roosting conditions throughout the year, they can be found in a variety of buildings, tunnels, trees or bridges.

Our surveyors hold Natural England Class 2 bat survey licences with inspections/assessments undertaken at any time of the year and frequently the results can be conclusive which can save time and expense for Planning Applicants.

We work on projects both small and large, from trees and barns up to castles and stately homes. During our preliminary roost assessment, if evidence or suitability for roosting bats is identified we have extensive experience in undertaking further detailed surveys including dusk/dawn observations, hibernation and transect/activity surveys providing accurate, comprehensive results and top quality reports as efficiently as possible.

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When a preliminary survey does find evidence of or suitability for roosting bats, our extensive experience in undertaking further detailed surveys  including dusk/dawn, hibernation and activity surveys providing accurate, comprehensive results and top quality reports as efficiently as possible. We work on projects of any size, from individual trees and small buildings to factory complexes or even transects over larger spaces; and we are able to provide hibernation surveys when required over winter.

Habitat surveys that we undertake are particularly beneficial for proposed wind turbines, road schemes or land proposed for future development where our expertise comes into its own when planning, organising and undertaking habitat transects. In combination with habitat work that we are able to offer, we also conduct automated surveys deploying a number of recording devices to provide additional data to include in you report that may be requested by the LPA.

Our bat surveyors are fully competent in operating surveying equipment and use the latest electronic bat detectors, including Anabat SD2, Anabat Express, Bat Logger and Song Meters to locate and record the high frequency calls that are emitted by bats; our data is analysed by our fully trained staff in house using specialist software.


A Confined Space Certification is held by all of our bat surveyors, enabling us to undertake inspections of culverts, tunnels, mines, caves or bridges in a controlled and safe manner in accordance with the Confined Spaces Act.


Under the supervision of Tyrer Ecological Consultants our experienced arboriculturist frequently undertake tree inspections for their potential to support bat roosts, investigating holes, cracks or cavities using narrow beam torch light and image recording endoscope.

If during any of our survey work bat/s or their roost/s are located and may be affected by the proposed schedule, Tyrer Ecological Consultants have complied numerous  successful Natural England European Protected Species Mitigation Licence applications for our clients which are required to legally proceed with the development.

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Tyrer Ecological Consultants
Formby Business Centre
42 Duke Street, Formby
Liverpool, L37 4AT

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