A post house, posthouse, or posting house was a house or inn where horses were kept and could be rented or changed out. Postriders could also be hired to take travellers by carriage or coach and delivered mail and packages on a route, meeting up at various places according to a schedule. Routes included post roads.

What does being called Marmite mean?

UK informal. something or someone that some people like very much and other people dislike very strongly: He is something of a Marmite presenter - you either love him or you can't bear him.

What is the meaning for P House?

or posthouse (ˈpəʊstˌhaʊs) noun. ( formerly) a house or inn where horses were kept for postriders or for hire to travellers. Collins English Dictionary. Copyright © HarperCollins Publishers.