Not only is the new location so much more expensive but it much worse for the disabled and elderly. The old location was at ground level with easy stair free access and space to sit while waiting. The new location is up a flight of staire (with a lift out of service about 80% of the time), it is very crampt with no space to sit while waiting. customers have to get through a W H Smith to get to the stairs.
So why would the Post Office decide to move to such an unsuitable location- well that should be obvious once you understand that the main role of public bodies is to put as much cash as possible into the piockets of property speculators live grosvenor/liverpool one.