I hope so too - if it was Parcelforce, it goes back to Park Royal. If it's Royal Mail, it goes back to the local depot, about a mile away
Not had too much experience with CityLink but most of the major couriers have depots near where I live given I am about 500 yards from the end of the Heathrow southern runway .....
My hubby has has a few negative experiences with UPS though and always refers to them as
Useless
Parcel
Services