Floating Bench for a Nook or Alcove

Mark a level line at 17-1/4" off the floor around the bench area — that's a standard seat height. Locate and mark every stud just above the line with a stud finder; the whole frame's strength depends on hitting real framing, not just drywall.

Cut two 2x4 (or 2x3) pieces to your desired finished bench depth minus 2-1/4". Attach them to the side walls with 3" self-tapping screws into studs, top edge flush to your pencil line.

Measure and cut a 2x4 for the back wall and screw it into studs along your line. You can notch around electrical outlets if needed — just make sure every segment still lands on at least two studs.

For seat depths greater than about 16", cut and add a center support running front to back, attached with pocket holes or 3" screws driven at an angle into the end boards. This keeps the middle of a wide seat from flexing under weight.

Measure and cut the front 2x4 to fit between the side pieces and attach it with two 3" screws at each end.

Push down firmly on the center of the frame. If it flexes noticeably, add a center leg down to the floor under the middle support, or reinforce as part of the front trim — better to catch this now than after the top is on.

Join the 1x6 boards edge to edge before installing so the top goes on as one piece — any thick 1x material works here, including 1x12s or 3/4" plywood. Cut to fit, with an even overhang on the front if you're not adding front trim.

Trim the front edge with a 1x4 board, glued and nailed. Optional side and back trim conceals the gap between the frame and the wall and protects the wall from scuffing — skip it for a cleaner, more minimal look.

Sand all edges, fill any visible fastener holes, and finish to match the room. Give screws and glue a day to fully set before loading the bench with weight.