#RedditBuildChallenge Challenge 20 Monochromatic House. This is a large old countryside house that the current owners decided to decorate in monochromatic style in their favorite color: blue! The upstairs boasts 4 large rooms (one currently being used as a playroom, study with balcony access, and 2 bathrooms. The first floor has a newly renovated master with addition including sunroom with hot tub outside. Basement has a bar and gym.