Consider the room size, toilet area, and design. Will there be a pedestal sink or bidet? These are fixtures that should match, as the legs or bases are usually stylized.
A compact, wall-mounted European model with a concealed tank allows for a contemporary, open floor plan and it allows you to determine the seating height. The required in-wall tank and carrier must be planned for on interior walls. Low-profile, one-piece toilets have an integrated tank and bowl design and have a seating height of approximately 14 1/8". They can be found with both round and elongated bowl profiles. These models are generally more contemporary looking, but there are a few traditionally styled products available.
Two-piece toilets sit a fraction of an inch higher, so they're a little more comfortable on the knees. Higher-seated, accessible toilets at 17" are also much easier on the back and knees. Two-piece toilets offer the greatest range of designs-from the basic nondescript water closet to more stylized designs, including contemporary models in stainless steel, those with traditional handpainted motifs with 24K gold accents, and ornate Victorian styles with scalloped tank lids. Some two-piece toilets might also offer a tank liner to help prevent sweating from ice-cold well water. Many manufacturers also offer decorative toilet accessories, such as brass or porcelain tank levers, toilet supplies (the fittings that supply the water to the toilet), and toilet brushes to coordinate like jewelry with your bathroom faucets and fittings.