How to build a built-in corner seat in the kitchen

Updated March 23, 2017

Corner seating is a modern and simple approach for creating additional seating in a kitchen. Corner seats can be rather expensive if purchased at a store, and the design may not suit your specific corner in the kitchen. Building a corner seat yourself using common woodworking supplies and tools can be an inexpensive affair, especially if you choose to install it yourself as well. By building it yourself, you can create a custom corner seat specifically made for your kitchen.

Place one end of the measuring tape in the corner and lay it on one of the walls of the corner seat. Measure the desired length of the corner seat using the wall as your guidance. Repeat this step with the other wall of the corner to determine the size of the corner seat. Write both of these measurements down.

Use the pencil to draw two pieces on the 2 by 4 using the wall measurements just collected. One piece should be the length of one wall measurement, and the other piece as long as the other wall measurement.

Cut out the two wooden pieces with the jigsaw, and use the sandpaper to smooth the edges.

Place the two pieces on their sides, perpendicular to each other to create an L-shape. Connect the two pieces using the hammer and nails, so that the nails go through one of the pieces and extend into the other.

Draw a third wood piece on the 2 by 4 using the pencil. This piece should be long enough to connect the ends of the L-shape structure to create a full triangle frame. Cut out the third piece with the saw. Fix the edges of the third piece by placing it on top of the L-shape and drawing 45-degree angle ends, so the piece can slide evenly into the L-shape to create a triangle frame. When the ends are cut out with the saw, sandpaper the edges.

Lay the 1/2-inch plywood on a flat surface. Use the measuring tape to measure the perimeter of the triangular frame, and draw a triangle on the plywood with the same measurements. This will be the seating surface. Cut out the plywood triangle with the jigsaw, and sandpaper the edges to avoid splinters and cracks.

Place the wall stud finder on the wall and drag it across the area where you want to install the corner seating. If the corner seat will be used for seating, the seat needs to be installed to wall studs to be able to hold the weight. Make a mark with a pencil when the device beeps or lights up.

Place the triangular 2 by 4 wood frame in the corner where the wall stud marks have been made. Use the drill and the 3-inch long screws to install the triangular frame to the walls of the corner. Ensure that the frame is secured to the wall.

Place the triangle plywood piece on top of the installed 2 by 4 triangle corner frame. Use the hammer and nails to attach the plywood surface piece to the wooden frame by connecting the nails to the perimeter of the wooden frame. Place the pillow on top of the corner seating to indicate to guests that it is a seat.

Things You'll Need

  • Measuring tape
  • Pencil
  • 2 by 4 wood pieces
  • 1/2-inch plywood sheet
  • Jigsaw
  • Sandpaper
  • Hammer
  • Nails
  • Wall stud finder
  • 3-inch screws for installation
  • Drill
  • Pillow
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About the Author

Based in Toronto, Mary Jane has been writing for online magazines and databases since 2002. Her articles have appeared on the Simon & Schuster website and she received an editor's choice award in 2009. She holds a Master of Arts in psychology of language use from the University of Copenhagen in Denmark.