Building a wooden bunk bed with a desk underneath is a rewarding project that not only saves space but also adds functionality to a room. Whether you’re creating it for a child’s bedroom or a dorm room, a bunk bed with a built-in desk provides a great way to combine sleeping and working areas in one piece of furniture. This step-by-step guide will help you build a sturdy and attractive bunk bed with a desk underneath.
Materials and Tools
Materials:
- 2×6 Lumber (for the main frame and legs)
- 2×4 Lumber (for cross supports and desk frame)
- 3/4-inch Plywood (for the bed platform and desk top)
- Wood Screws (2 ½-inch screws for frame, 1 ½-inch screws for desk)
- Wood Glue
- Sandpaper (to smooth out rough edges)
- Paint or Wood Stain (optional, for finishing)
- Mattress (appropriate size for the bed frame)
Tools:
- Saw (Circular or Table Saw for cutting lumber)
- Drill with Drill Bits
- Screwdriver or Impact Driver
- Wood Clamps
- Measuring Tape
- Square (for ensuring right angles)
- Level (to make sure everything is straight)
- Paintbrush or Staining Pad (for finishing)
Step 1: Plan and Measure
Before cutting any wood, it’s important to measure the available space and decide on the dimensions of the bunk bed. A standard twin-size mattress is typically 38” x 75”. The height of the bunk bed should allow enough headroom for both the top and bottom sleeping areas, so around 5-6 feet of vertical space would be ideal.
For the desk, the space underneath the bottom bunk should have sufficient clearance. A comfortable height for a desk is typically 28-30 inches from the ground, but this can vary depending on user preference.
Step 2: Build the Bed Frame
1. Construct the Main Frame
Start by cutting the 2×6 lumber to create the four sides of the bed frame. You’ll need two long sides (typically 75” long for a twin bed) and two shorter sides (approximately 38” wide).
- Attach the short sides to the long sides using wood screws and wood glue. Pre-drill holes to prevent the wood from splitting.
2. Add the Support Legs
Next, cut four pieces of 2×6 lumber to the desired height of your bunk bed (usually around 60” tall for a standard twin bed). These will be the four vertical legs of the bed.
- Attach each leg securely to each corner of the bed frame. You may want to use brackets or additional support if you’re concerned about stability.
3. Install the Bed Slats
Cut several pieces of 2×4 lumber to fit across the bed frame. These will act as the slats that support the mattress. Place them approximately 3-4 inches apart across the frame, securing them with screws or nails.
Step 3: Build the Desk Frame
1. Cut and Assemble the Desk Frame
For the desk frame, you’ll need 2×4 lumber. Cut two pieces of 2×4 to match the length of the bunk bed’s width (approximately 38”). These will be the outer edges of the desk.
- Cut two more 2×4 pieces for the depth of the desk. These should be about 24-30” deep, depending on how large you want the desk to be.
- Attach the pieces together to form a rectangular frame using wood screws and glue.
2. Add Desk Supports
To ensure the desk is stable, cut additional 2×4 pieces to fit across the frame for horizontal support. Place them every 12-18 inches to reinforce the desk.
3. Install the Desk Surface
Cut a piece of ¾-inch plywood to fit the top of the desk frame. Secure it to the frame with screws, making sure it’s level.
Step 4: Build the Bunk Bed Ladder
A ladder will be essential for getting in and out of the top bunk. You can make a simple ladder with two 2x4s for the sides and 1x4s for the rungs.
- Cut the 2x4s to the desired height of the bunk bed and attach the 1×4 rungs across them. Space the rungs about 10-12 inches apart.
- Secure the ladder to the side of the bed frame with screws. Make sure it’s sturdy and safe to use.
Step 5: Assemble the Components
Once you have all the major parts built—frame, desk, ladder, and slats—it’s time to assemble the pieces.
1. Place the Bunk Bed Frame
Position the bed frame with the legs placed firmly on the ground. Use a level to make sure everything is square and straight.
2. Attach the Desk Frame
Place the desk frame underneath the bottom bunk bed, positioning it so that it fits neatly against the bed frame. Use screws to attach the desk frame to the side supports of the bunk bed, ensuring it’s securely in place.
3. Attach the Ladder
Secure the ladder to the side of the bed frame. Ensure it is positioned at a comfortable angle and firmly attached.
Step 6: Sand and Finish
Sand all the edges and surfaces of the bed and desk to remove any rough spots. This will ensure the furniture is smooth and safe to use. Once the sanding is done, you can finish the wood by applying paint or wood stain of your choice.
Step 7: Add the Mattress and Final Touches
Place the mattress on the top bunk and check for fit. Make sure there’s adequate space between the top of the mattress and the ceiling to avoid any uncomfortable gaps.
Underneath, you can place storage bins or a chair at the desk for a fully functional space.
Conclusion
Building a wooden bunk bed with a desk underneath can be a fun and practical project that transforms a small room into an efficient, multi-functional space. By following these steps, you can create a sturdy and stylish piece of furniture that’s both functional and space-saving. Whether you’re working on a budget or just love the idea of DIY woodworking, this project is an excellent way to make the most out of limited space.
For more woodworking plans and guidance, check out Teds Woodworking Course here.