A Colonial style room with armchairs pulled close to a large hearth fireplace… also note the antique artwork and vintage chandelier, and the stenciled ceiling (via Belgian Pearls: Autumn-time = Fireplace gathering)
Definitely need to plan in space for dog beds! This looks like it has great thermal mass, and I really like how it is rounded. it softens the space. I also envy the awesome library ladder in the other room.