The museum has a beautiful façade, but the main entrance you came through was not the original entrance. For that we need to go around the side into the modern courtyard where we can see the entrance to the Tudor Parlour Closet.
While you're here - look at how higgledy-piggledy the building is. This is the consequence of nearly 500 years of building additions and extensions.
Depiction of the Old House with a plan of the rooms. The main structure is Tudor, with the dotted lines being additions made in subsequent centuries.