This guidance provides standing advice for local planning authorities to assess impacts of development on bats, including some information on mitigation (e.g. effects of breathable roof membranes on bats).
This is part of our Good Practice Guidance for Bats, produced by Becky Collins.
Reference: Collins, J. (2016) Bat Surveys for Professional Ecologists: Good Practice Guidelines. 3rd edition. Bat Conservation Trust, London.