Pack for handling, not only protection
In North London, well-packed items still fail if they are too heavy for stairs, longer hand-carries or repeated lift transfers. Keep dense contents boxed small and clearly labelled by room and floor.
Protect furniture for awkward routes
Wrap corners, removable legs and larger surfaces thoroughly when stairs, sloped approaches, basement access and awkward turns through older layouts could lead to tighter turns, extra waiting or more than one transfer point between vehicle and room.