Hi Lindsay, welcome to EB and nice find you have there
AFAIK its a Devon Weekender interior, your missing a seat behind the passenger side which housed a fridge unit. See the tube hanging down from the passenger bulkhead if its plumbed down and out this was to released the run off from the evaporating water which cooled the contents of the fridge and was filled from a filler neck about half way up the unit.
Torvette had a fridge unit where your sink is and the moonraker and sunlander had a swing out cooker and the seat behind the driver was not as tall as the weekender seat and could be reversed to face back or front.