then do you have a source of uvb? tortoises need this to properly digest their food. you can buy light bulbs that offer artificial uvb that you can buy at pet stores. but if ever possible, real sunshine is the best! several hours a week would really benefit your tort!
River!!! I already call her River in my head so even if you name her Susan I will still be like "oh yeah how's River" ;P
Snap scotland sucks for weather too!