Listed as Vulnerable on the 2000 IUCN Red List and part of the National Bat Monitoring programme. They are also included within the UK Biodiversity Action Plans and a number of the Lesser Horseshoe bats roosting sites are also classified as being Sites of Special Scientific Interest, with four of them also being classified as potential Special Areas of Conservation. Fully protected under Schedule 5 of the Wildlife and Countryside Act (1981) as amended, and by the Conservation (Natural Habitats &c.) Regulations (1994). An agreement on the Conservation of Bats in Europe (EUROBATS) under the auspices of the Bonn Convention, also known as the Convention on Migratory species (CMS) is in force, and all European bats are listed under Appendix II of the CMS.