Bat box (new) (Lansdown)
Schwegler 2FE woodcrete wall-mounted bat box 250mm x 300mm x 50mm as described here: https://www.wildcare.co.uk/schwegler-wall-mounted-bat-shelter-2fe.html This bat box is only sold as a pack of two, but I only needed one, so you get to have the other one.
This offer has been gifted to someone and is no longer available.