Audrey HayesBy Audrey Hayes

Updated November 2026

Good plans for making a birdhouse give you a cut list, exact dimensions and a clear assembly order, so you can build a sturdy nest box from one or two boards. This guide walks through a basic cedar or pine design with a 1-1/8-inch entrance hole for chickadees and similar small cavity nesters. By the end, you will know what to cut, how to assemble it and what details keep the box dry and safe for birds.

Choose Your Dimensions and Materials

Start with the species of bird you want to attract, because the entrance hole and interior floor size decide the rest of the plan. Most small songbirds, such as chickadees and wrens, use a hole around 1-1/8 inches across, while bluebirds prefer 1-1/2 inches. Use rough-sawn or planed cedar, pine or cypress at roughly 3/4 inch thick, since untreated wood holds up well outdoors and insulates better than thin stock.

Shopping for one? See our guide: 5 Best Birdhouses with License Plate Roof Plans for Backyard Builders (2026).

Cut List and Assembly Steps

A standard box uses one 1×6 board about 48 inches long. Cut the pieces to the sizes below:

  • Front: 4-1/2 in. wide x 9 in. tall, with the entrance hole drilled 6-1/2 in. from the top
  • Back: 4-1/2 in. wide x 12 in. tall, with the top edge angled for a roof overhang
  • Two sides: 4-1/2 in. wide x 10 in. tall, angled to fit the roof slope
  • Floor: 4-1/2 in. x 4-1/2 in.
  • Roof: 6 in. x 6-1/2 in., two pieces or one sealed panel

Assembly Order

  1. Drill the entrance hole in the front piece with a spade or Forstner bit, then sand the edge smooth so birds cannot grip or peck at it.
  2. Drill four or five 1/4-inch drainage holes in the floor and a few small ventilation holes near the top of the side panels.
  3. Attach the floor between the sides with exterior screws or galvanized nails. Set it slightly above the bottom edge of the sides.
  4. Fasten the front and back to the sides, keeping the front flush with the floor for a clean interior.
  5. Add the roof with a slight overhang on all sides and attach it with hinges or screws so you can open the box for cleaning.

Mount It Safely

Mounting height and location affect how often a box gets used. Most small birds do well with the box 5 to 10 feet off the ground, facing away from prevailing winds and direct afternoon sun. Avoid placing it near feeders, where predators and competing species gather. If you plan to add a nest box to a fence or pole, pair the plan with a predator guard. For more species-specific sizing, see Wren Birdhouse Plans Free: Build a Cedar House in One Weekend and Western Bluebird Birdhouse Plans: Build a Nest Box in One Afternoon.

Finishing and Materials to Use

Leave the interior bare and unpainted, since birds need natural wood to grip and young birds can be harmed by paint fumes or chemicals. Apply an exterior finish only to the outside, and let it dry fully before the birds move in. Avoid pressure-treated wood, which can contain compounds that are not safe for nesting birds. If you want a quick, low-waste option, the One-Board Birdhouse Plans Free: Build a Cedar House in One Afternoon guide shows how to get the full build from a single board.

  • Spade bits for the entrance hole: they cut clean, round holes in thin wood without splitting the front panel. View on Amazon
  • Exterior wood screws: stainless or coated screws resist rust and hold the joints tight through seasonal swelling. View on Amazon
  • Hinged roof hardware: small hinges let you open the box each fall to clean out old nesting material. View on Amazon

Common Mistakes and Tips

  • Drilling the entrance hole too large lets starlings and other invasive birds take the box, so check the diameter before drilling.
  • Skipping drainage holes traps moisture and can cause mold that harms nestlings.
  • Using treated lumber or painting the interior puts birds at risk.
  • Mounting the box in full sun can overheat the nest on hot days, so choose a partly shaded spot.
  • Forgetting to make the roof removable makes annual cleaning difficult.

FAQ

What wood is best for a birdhouse plan?

Cedar is the most common choice because it resists rot and does not need paint or chemical treatment. Untreated pine and cypress are also good options.

What size hole should I drill?

A 1-1/8-inch hole suits chickadees and many small songbirds, while bluebirds use a 1-1/2-inch hole. Match the hole to the species you want to attract.

When should I clean out a birdhouse?

Clean the box after nesting season ends, usually in late summer or fall, so the next birds start with a fresh nest. Check the manufacturer or local wildlife guidance for timing in your region.

Conclusion

Using a clear set of plans for making a birdhouse lets you build a durable nest box with accurate dimensions and safe materials. Focus on the hole size, drainage and removable roof, and the box will serve birds for many seasons. Browse more designs on WoodworkIt when you are ready for your next build.

Ready to choose one?

Audrey Hayes

About Audrey Hayes

Audrey Hayes is part of our editorial team and reviews and edits our woodworking guides, checking product details against manufacturer specifications and owner feedback.