Tips for garnering more purchases/watchers/support in general:
1. Post a list of planned TV places: e.g. The Office's Office, The Simpsons' TV den/downstairs , Cheers Bar +Pool Room, Star Trek Bridge, Game of Thrones' Winterfell or Castle Black Courtyard, etc. -- run the gamut of different genres to draw a bigger crowd of people in.
2. Get the basics done and then update as you go. The Simpsons can JUST be the den until you add more, Cheers can JUST be the bar area until you add the pool room/office, etc. as well as little details that people will jizz over (pictures on the wall, little knick-knacks sitting around, etc).
3. Make it cheaper until you have more places. This isn't currently worth 3.99 Eur, mate.