Look beyond seating width
Compare the bench with the gap between the table legs. To tuck it fully underneath, its length, height and depth must all work. A bench that slides in at only one end still occupies space between meals. Check whether an apron beneath the tabletop restricts knee room as well.
Seat height should suit both the table and its users. A thick loose cushion changes that height and may slip as someone sits down. Try the actual combination rather than judging the two pieces separately. Furniture that looks compatible can feel awkward if the table edge sits too high or too low.
Think about the person in the middle
With the bench against a wall, someone seated in the centre may not be able to leave independently. That may be acceptable for a brief meal, but less convenient during a long gathering or when people often get up. Rehearse the arrangement with the regular users. A bench is not automatically an improvement over separate chairs.
A freestanding bench offers more flexible access but needs space behind it. A backrest may improve comfort for some people while increasing overall depth. A backless bench can tuck beneath certain tables more easily, but supports a different posture. Let the likely use decide which trade-off makes sense.
Use storage selectively
A storage bench combines seating and containment when its construction is intended for both. A hinged lid must open without striking the table edge. If cushions or bags usually cover it, every retrieval adds another task. Baskets below an open bench remain accessible but may intrude into foot space.
Keep things there that are not needed while the bench is occupied. A tablecloth for a future occasion is a better candidate than cutlery someone will fetch during the meal. Finally, check that the bench can be moved for cleaning and that intended loads comply with its instructions. Its value is a deliberately planned row of seats, not the largest possible number of people squeezed together.
