This and your GP's address when you book a service for some procedure like dental hygiene or a massage. What are you gonna do, post my injured body to him if you mess up? No point taking a phone number either - unless you injure me at 8:15am and are able to get through to reception
Duncan WeldonPet peeve: forms that ask for your bank’s address. There is no conceivable reason for this information being required any more.