A good bar cabinet looks like it was always going to live in that corner, doors closed as often as open, holding its own without turning the room into a cocktail lounge. A poor one announces itself from the doorway, all shine and mirrored glass, like someone tried too hard to have a signature piece before they'd figured out anything else about the room. The good ones are quiet about what they're hiding. The bad ones want you to know immediately.
These don't sit well against anything else that's already trying to be the main event, a bold rug, a big piece of art, a sideboard with its own strong opinions. Give it a plain wall and some breathing room and let it be the one thing with a little flourish. They work hardest in dining rooms and living rooms that get used for actual gathering, not just passing through, and they suit homes where someone in the house likes making a proper drink, even if that's one night a month rather than every Friday. Fall and winter are their season, honestly, when the light goes low by five and a cabinet with a lit interior or a bit of glass front makes the whole room feel like it's doing something, even when everyone's just sitting around in sweatpants. In a sunny, sparse apartment they can look stranded, like a prop nobody asked for. Measure the full depth with the doors open, not just closed, because plenty of these need swing room or drop down fronts that eat into the space in front, and measure the height against anything you're planning to set on top, a lamp, a stack of books, a plant that's about to get too big for its pot. The mistake people make is buying one sized for the bottles and glasses they wish they owned rather than the ones they actually do, and ending up with three empty shelves and a cabinet that reads as unfinished rather than spare.
Where it falls short is anywhere genuinely small, a studio, a narrow rental kitchen, a room where every surface needs to pull double duty, because a bar cabinet by definition does one job and does it a little indulgently. If you don't drink much, or you're the type who'd rather have the glasses where you can grab them without ceremony, you'll likely resent the floor space it takes.
Put one in a room you already like and it gives that room an occasion, even on a Tuesday.