ZUMEN
DIY blueprint for Miniature Cottage Dog HouseReference photo

Dog house

Miniature Cottage Dog House

DIY blueprint for Miniature Cottage Dog House.

Advanced¥18,000–¥35,00010 hOutdoor9 examples
CainzKomeriKohnanDCM

Dimensions

Width (W)

700mm

Depth (D)

600mm

Height (H)

800mm

Cut list

PartSize (T×W×L mm)Qty
1Front board
19×120×700×14
2Side board
19×120×600×14
3Bottom board
12×562×662×1
4Corner post
38×89×800×4

Tools you'll need

  • Measuring tape (5m or longer)

    Used for measuring all parts

  • Pencil and carpenter's square

    For marking and checking right angles

  • Saw

    Home center cutting service recommended

  • Electric driver

    Impact driver improves work efficiency

  • Sandpaper

    Prepare #120 and #240 grit

  • Level

    Essential for checking horizontality during assembly

  • Clamps (2 or more)

    Used for temporary fixing during joining

  • Brush and paint tray

    Used for applying wood preservative coating

Materials

Front and back boards (cedar plank 19mm)

19×120×700mm

14

Side boards (cedar plank 19mm)

19×120×600mm

14

Bottom board (lauan plywood 12mm)

12×562×662mm

Ventilation holes processed

1

Corner posts (2x4 lumber)

38×89×800mm

4

Coarse-thread screws 65mm

65mm

60

Build steps

  1. 1

    Measuring and Checking Installation Location

    ≈ 15 min

    Measure the installation space for the miniature house-shaped doghouse (700×600×800mm). Confirm width of the installation space, ensure passage clearance (600mm or more), and check door opening range.

    Measure
    W 700 mm
    MeasureSTEP 1 / 13

    Tip

    • Place so not under rain gutters or over drainage.
    • Leave at least 20mm gap between wall and furniture for easier cleaning.
    • Avoid boundary between wooden deck or soil and ground surface to prevent wobbling.

    Watch out

    • Cannot install if installation width less than 700mm. Pre-measurement is important.
    • Outdoor locations with heavy traffic - protruding placement to foot area risks tripping.
  2. 2

    Creating a Cutting List for Materials

    ≈ 30 min

    Cut cedar plank 19mm thick into front and back boards (19×120×700mm) ×14 pieces each, and side boards (19×120×600mm) ×14 pieces each. Bottom board is lauan plywood 12mm thick (12×562×662mm) ×1 piece. Corner posts are 2x4 lumber (38×89×800mm) ×4 pieces. Using home center paid cutting service is convenient.

    Cut
    Use the in-store cut service
    CutSTEP 2 / 13

    Tip

    • Cedar planks vary widely in knots and warping. Select by handling each board.
    • Corner post length 800mm includes front/back board height (120×4=480mm) plus 20mm allowance.
    • When using cutting service, can specify grain direction alignment for better appearance.

    Watch out

    • Cut ends of cedar plank absorb water easily. Apply wood preservative generously later.
    • 2x4 lumber actual size is 38×89mm. Specify '38×89' when ordering cuts (nominal vs actual size differs).
  3. 3

    Sanding All Materials

    ≈ 40 min

    Sand using #120 grit then #240 grit sandpaper. Cedar boards are soft and prone to warp and splinters; carefully sand edges and surfaces. Chamfer 2x4 corner posts to smooth and prevent catching shoes or bumping legs.

    Sand
    #120
    SandSTEP 3 / 13

    Tip

    • Cedar wood grain is coarse; sand along grain to avoid raising splinters.
    • Sand cut ends flat with #120 then smooth with #240 grit. Skipping this causes uneven paint absorption.
    • Using an orbital sander reduces sanding time to one-third; rental services are available.

    Watch out

    • Sanding produces large amounts of dust. Work in ventilated places like balconies or garages.
    • Do not paint before removing dust; powder left causes rough surface. Remove with air duster or damp cloth.
  4. 4

    Standing up and Temporarily Fixing Corner Posts

    ≈ 25 min

    Vertically stand four 2x4 posts and place at four corners of the workbench. Temporarily fix with clamps to workbench ensuring top and bottom are level. Confirm vertical alignment with a level. Measure spacing between posts as 600mm front to back and 300mm left to right (inside dimensions) with measuring tape.

    Build the frame
    Tighten joints firmly
    AssembleSTEP 4 / 13

    Tip

    • Check verticality with level on two sides (front and side) aiming for zero on both.
    • Concrete floors or cushioned flooring are uneven; place plywood underneath to create flat work surface.
    • Arrange posts with knots aligned facing the same direction for better appearance.

    Watch out

    • If even one post is off vertical, all attached boards will tilt.
    • Be consistent measuring inside or outside of posts to avoid 5-10mm errors in spacing.
  5. 5

    Attaching Front and Back Boards (Starting from Bottom)

    ≈ 40 min

    Place first cedar board horizontally at lowest front position, apply wood glue to corner posts, and fix with coarse-thread screws 65mm, two screws per side (four total). Insert about 5mm ventilation gap (approximate thickness of a chopstick) between boards as stacking continues. Out of total 10 boards, place 5 on front and 5 on back.

    Build the frame
    Tighten joints firmly
    AssembleSTEP 5 / 13

    Tip

    • 5mm ventilation gap prevents moisture buildup on shoes; tightly joining boards causes mold.
    • Use chopsticks to maintain uniform gaps.
    • Drill pilot holes (φ4mm) into corner posts before screwing to prevent splitting.

    Watch out

    • Failing to drill pilot holes causes cedar boards to split.
    • Driving screws too deep dents board surface; stop flush with surface.
  6. 6

    Attaching Side Boards (Left and Right)

    ≈ 35 min

    Attach side boards (19×120×600mm) ×14 pieces each side similarly with ventilation gaps. Attach 5 boards per side. Adjust front and back board positions so wood ends meet precisely at corners before attaching side boards. Measure front-to-back diagonal lengths with tape measure, ensuring both diagonals are equal while fixing.

    Build the frame
    Tighten joints firmly
    AssembleSTEP 6 / 13

    Tip

    • Unequal diagonals cause parallelogram distortion; use clamps to correct until equal.
    • Side boards fit inside front and back boards; offset pilot holes slightly away from edges of front/back boards.
    • For better corner finish, miter cut 45 degrees on corner posts before fastening if desired.

    Watch out

    • Misaligned ventilation gaps between side and front/back boards look uneven.
    • Diagonal difference over 5mm prevents smooth storage use inside.
  7. 7

    Processing and Installing Bottom Board

    ≈ 25 min

    On lauan plywood 12mm bottom board (562×662mm), drill nine φ20mm ventilation holes evenly arranged in a 3×3 grid. Holes must be at least 50mm from edges and 100mm apart. Insert bottom board under assembled frame and fix with coarse-thread screws 45mm to four corner posts.

    Drill a hole
    φ20mm
    DrillSTEP 7 / 13

    Tip

    • Ventilation holes allow shoe bottom moisture to escape; do not reduce number.
    • Use hole saw for neat holes; wood drill bit is acceptable.
    • Bottom side of board facing ground is not visible; no edge tape necessary.

    Watch out

    • Warped bottom board prevents tight fit with posts; check flatness beforehand; reverse and clamp with screws to correct if large warp.
    • Placing holes too close to edge weakens strength; keep at least 50mm margin.
  8. 8

    Final Check of Right Angles and Diagonals

    ≈ 15 min

    Check assembled box for right angles and diagonal lengths. Measure all four internal angles with a carpenter's square to confirm deviation from 90 degrees. Measure two diagonals with tape measure to confirm difference is within 2mm. If misaligned, loosen screws and straighten with clamps before re-tightening.

    Inspect
    No wobble ✓
    InspectSTEP 8 / 13

    Tip

    • Diagonal difference indicates assembly error; under 2mm is acceptable for practical use.
    • Measurement must be done on flat, level surface to avoid errors.
    • Check for any loosened screws by finger pressure thoroughly.

    Watch out

    • Ignoring distortion causes doors (lids) to open and close poorly.
    • Loose screws risk wobbling and collapse under shoe load later.
  9. 9

    Painting Undercoat and Sanding

    ≈ 15 min

    Lightly sand entire assembly with #240 grit and clean off dust with damp cloth before painting. Smooth screw heads and edges as well. Outdoor grade preservatives like Keshira Decol or Osmo Color are suitable.

    Sand
    #240
    SandSTEP 9 / 13

    Tip

    • Cedar absorbs paint intensively; plan for two coats.
    • Apply extra paint on cut ends; exposed fibers absorb heavily.
    • Apply Keshira Decol by rubbing in with cloth; more uniform than brush.

    Watch out

    • Skipping sanding causes uneven paint and fuzziness.
    • Painting over residual dust causes rough surface texture.
  10. 10

    First Coat Painting

    ≈ 30 min

    Apply Keshira Decol or water-based paint over entire surface. Brush or wipe paint in one direction along grain, soak for 15-20 minutes, then wipe excess off with dry cloth. Paint ventilation gaps by inserting brush diagonally to avoid missed spots. Allow natural drying for over 2 hours.

    Paint
    Watco oil / varnish
    PaintSTEP 10 / 13

    Tip

    • Keshira Decol's 'paint and wipe' method preserves wood texture.
    • Paint accumulating in ventilation gaps slows drying; wipe to expedite.
    • Work outdoors or ensure good ventilation for fumes removal.

    Watch out

    • Forgetting to wipe leaves tacky residue lasting days.
    • Applying thick coat causes uneven drying and peeling later; thin two coats are essential.
  11. 11

    Intermediate Sanding and Second Coat Painting

    ≈ 25 min

    After first coat is dry, lightly sand surface with #320 grit sandpaper (intermediate sanding). Remove dust, then apply second coat thinner than first, wipe off excess similarly. Allow full curing for 24 hours.

    Paint
    Watco oil / varnish
    PaintSTEP 11 / 13

    Tip

    • Lightly sand only roughness; avoid removing paint film.
    • Two coats greatly improve wood preservation; do not skip second coat.
    • Dry in dust-free area.

    Watch out

    • Excessive sanding removes first coat.
    • Skipping second coat halves preservative effect, especially critical outdoors with moisture exposure.
  12. 12

    Feet Pads and Waterproofing Measures

    ≈ 15 min

    Attach felt pads or non-slip rubber to bottom ends of corner posts. If placing directly on ground, elevate by 10cm with bricks or blocks. For tile floors, use silicone pads to prevent slipping.

    Fix to the wall
    Anchor to studs
    InstallSTEP 12 / 13

    Tip

    • Felt absorbs water and soils easily; rubber or silicone recommended outdoors.
    • Pads are essential at four corner posts; skipping center causes tilt.
    • Allow ventilation for one week post-installation to dissipate paint fumes.

    Watch out

    • No pads risk floor damage and slipping on wet surfaces.
    • Silicone pads sometimes have weak adhesive; use strong double-sided tape for reliability.
  13. 13

    Final Inspection and Shoe Storage

    ≈ 15 min

    Confirm all screws are tight, ventilation gaps uniform, and paint evenly applied. Check wobbles with level; adjust pad thickness if needed for levelness. Avoid placing heavy items until paint fully cures after 1 week. Store only dry shoes inside.

    Done!
    Done — nice work!
    DoneSTEP 13 / 13

    Tip

    • Wipe wet shoes before storing to prevent moisture buildup.
    • Store shoes only up to 80% capacity to maintain ventilation.
    • Monthly ventilation by emptying and drying with fan extends life.

    Watch out

    • Placing wet shoes before paint cures leaves shoe-shaped stains on finish.
    • Overfilling causes board deformation from forced storage.

Warnings

  • ⚠️Wood preservative coating is essential for outdoor use (recoating recommended annually)
  • ⚠️Use stainless steel screws (iron screws will rust)
  • ⚠️Drill pilot holes before screwing to prevent wood splitting
  • ⚠️Use paint safe for pets to lick (water-based urethane paint recommended)

Custom design

Changing the dimensions roughly scales the cut list. Get the precise calculation in the app.

Enter dimensions (mm)

Quick estimate

Width W

Depth D

Height H

Base size 700×600×800 mm

Cut list (preview)

PartSize (T×W×L)Qty
Front board19×120×700×14
Side board19×120×600×14
Bottom board12×562×662×1
Corner post38×89×800×4

Total board length ≈ 22.1 m · Available at: カインズ / コメリ / コーナン / DCM

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Examples9 examples

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Miniature Cottage Dog HouseMiniature Cottage Dog House
keita_woodshop
keita_woodshop2026-01-21
4.2(16)

Actual cost

¥34,394

Build time

7 h 44 min

Home center

コーナン

市販品ではしっくりこなかったのでミニチュアハウス型犬小屋を自分で組みました。周りに何もない環境なので電動工具をフル活用。メイン材は今回もイタウバ。雨ざらしでも 10 年は安心です。防腐塗料 (キシラデコール ピニー) でナチュラルに仕上げました。次は別のサイズで再チャレンジ予定です。

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Nanami
Nanami2026-01-12
4.2(13)

Actual cost

¥33,762

Build time

9 h 36 min

Home center

ロイヤルホームセンター

ミニチュアハウス型犬小屋を自作しました。防腐塗料 (キシラデコール ピニー) でナチュラルに仕上げました。完成までトータル 1 ヶ月、ゆるゆる進めて楽しかったです。

Miniature Cottage Dog HouseMiniature Cottage Dog House
Tomomi_studio
Tomomi_studio2026-01-03
4.1(14)

Actual cost

¥18,447

Build time

8 h 57 min

Home center

コーナン

週末を使ってミニチュアハウス型犬小屋を作りました。古い柱や梁とのバランスを意識して仕上げました。床は高床式 (脚 100mm) にして湿気から守る設計。家族にも好評で作って良かった。

Miniature Cottage Dog HouseMiniature Cottage Dog House
mizuho_手作り部
mizuho_手作り部2026-01-04
3.8(17)

Actual cost

¥34,183

Build time

10 h 18 min

Home center

ロイヤルホームセンター

市販品ではしっくりこなかったのでミニチュアハウス型犬小屋を自分で組みました。屋根は片流れ。雨の侵入を防ぐため軒を 100mm 出してます。次は別のサイズで再チャレンジ予定です。

Miniature Cottage Dog HouseMiniature Cottage Dog House
Yuto_workshop
Yuto_workshop2026-02-03
4.3(7)

Actual cost

¥36,926

Build time

12 h 17 min

Home center

コメリ

ミニチュアハウス型犬小屋を自作しました。屋根は片流れ。雨の侵入を防ぐため軒を 100mm 出してます。次は別のサイズで再チャレンジ予定です。

Miniature Cottage Dog HouseMiniature Cottage Dog House
Takeshi_atelier
Takeshi_atelier2025-11-30
4.1(8)

Actual cost

¥33,967

Build time

12 h 6 min

Home center

コーナン

気になっていたミニチュアハウス型犬小屋にようやく挑戦。田舎の広い庭を活かしてゆったり目に作りました。床は高床式 (脚 100mm) にして湿気から守る設計。結果には満足してます。

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Ratings

4.2/ 5
(31 ratings)Rate in the app

Comments4

  • 素人大工_83's avatar
    素人大工_83
    2026/04/26

    屋外犬小屋なら床下を 5cm 浮かせて湿気対策と、屋根は EPDM 防水材を被せると 10 年は持ちます

  • ペット用品DIY初挑戦、塗料の安全性が気になるんですが

  • 猫が家にいるので、これ作ってみたいです。爪研ぎポイントどう作ってますか

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