The species is rare in Britain, confined to just a small number of sites. Its distribution can be found on the National Biodiversity website here. Its breeding sites include Brockley Hall Stables near Bristol, Iford Manor near Bath, and Littledean Hall in the Forest of Dean. Its winter hibernation sites include Banwell Caves and Compton Martin Ochre Mine in the Mendip Hills, Chilmark Quarries in Wiltshire, and Combe Down and Bathampton Down Mines near Bath. In Dorset, the species roosts at Bryanston, Creech Grange and in Belle Vue Quarry. The species also occurs at Berry Head in Devon and has a monitored roost site at Woodchester Mansion in Stroud. It occurs in Wales, including at Felin Llwyngwair, a SSSI.