diff --git a/evennia/commands/default/building.py b/evennia/commands/default/building.py
index 743f740265..15c6d98aba 100644
--- a/evennia/commands/default/building.py
+++ b/evennia/commands/default/building.py
@@ -468,7 +468,10 @@ class CmdCreate(ObjManipCommand):
     key = "@create"
     locks = "cmd:perm(create) or perm(Builders)"
     help_category = "Building"
-    created_object_permission = "Wizards" # The permission level needed to control or delete the object if not the creator
+
+    # lockstring of newly created objects, for easy overloading.
+    # Will be formatted with the {id} of the creating object.
+    new_obj_lockstring = "control:id({id}) or perm(Wizards);delete:id({id}) or perm(Wizards)"
 
     def func(self):
         """
@@ -491,8 +494,7 @@ class CmdCreate(ObjManipCommand):
 
             # create object (if not a valid typeclass, the default
             # object typeclass will automatically be used)
-            lockstring = "control:id(%s) or perm(%s);delete:id(%s) or perm(%s)" % (caller.id, 
-                    self.created_object_permission, caller.id, self.created_object_permission)
+            lockstring = self.new_obj_lockstring.format(id=caller.id)
             obj = create.create_object(typeclass, name, caller,
                                        home=caller, aliases=aliases,
                                        locks=lockstring, report_to=caller)
@@ -717,7 +719,12 @@ class CmdDig(ObjManipCommand):
     key = "@dig"
     locks = "cmd:perm(dig) or perm(Builders)"
     help_category = "Building"
-    created_room_permission = "Wizards" # The permission level needed to control, delete, or edit the room if not the creator
+
+    # lockstring of newly created rooms, for easy overloading.
+    # Will be formatted with the {id} of the creating object.
+    new_room_lockstring = "control:id({id}) or perm(Wizards); " \
+                          "delete:id({id}) or perm(Wizards); " \
+                          "edit:id({id}) or perm(Wizards)"
 
     def func(self):
         "Do the digging. Inherits variables from ObjManipCommand.parse()"
@@ -744,13 +751,10 @@ class CmdDig(ObjManipCommand):
             typeclass = settings.BASE_ROOM_TYPECLASS
 
         # create room
-        lockstring = "control:id(%s) or perm(%s); delete:id(%s) or perm(%s); edit:id(%s) or perm(%s)"
-        lockstring = lockstring % (caller.dbref, self.created_room_permission, caller.dbref, 
-                        self.created_room_permission, caller.dbref, self.created_room_permission)
-
         new_room = create.create_object(typeclass, room["name"],
                                         aliases=room["aliases"],
                                         report_to=caller)
+        lockstring = self.new_room_lockstring.format(id=caller.id)
         new_room.locks.add(lockstring)
         alias_string = ""
         if new_room.aliases.all():