We are thinking of creating a pull in outside our house for easier parking. Do we need planning permission?

I believe only the council are allowed to do this, so you need to ask them, and pay a fee. (0114) 2736677 is the number to call.

http://www.sheffield.gov.uk/sys_upl/templates/PT_AZServices/PT_AZServices_details.asp?ServiceID=971&pgid=4191&tid=152