Semi-custom pieces with higher-end finishes—glazed instead of just stained, and decorative details like cabinet legs and intricate door panels.
A higher-grade granite, marble or quartz.
You can upgrade the fixtures for ones with higher-quality copper or bronze inside, which will last considerably longer than off-the-shelf units.
You can make moderate adjustments to the plumbing, like moving the faucets or shower, but the dishwasher will likely stay in the same location.
At this level porcelain will be your new best friend. It’s more durable than ceramic and slip-resistant, and there are more color, size, and design options. Porcelain tiles are designed to mimic natural stone.
You can get a bit more creative with materials and do tile walls or real beadboard.