If you have narrowed your shortlist to two specific designs, this is exactly the kind of decision where a side-by-side spec view saves a weekend of second-guessing. Both plans below are complete, code-aware DIY builds, but they differ on the things that matter for a backyard project — total cost, raw labor hours, footprint, and the wood species on the cut list.
Side-by-side specs
| 12x16 ft Dutch Gable Pavilion Plan | 10x12 ft Garage-Attached Lean-To Shelter Plan | |
|---|---|---|
| Category | Pavilions | Lean-To Shelters |
| Style | Dutch Gable | Garage-Attached |
| Footprint | 12x16 ft (192 sq ft) | 10x12 ft (120 sq ft) |
| Wood species | Black Locust | Black Locust |
| Roof finish | HDPE shade cloth canopy | open lattice rafters |
| Difficulty | Beginner | Intermediate |
| Build time | ~20 hrs | ~36 hrs |
| Materials cost | $13,950–$21,775 | $3,475–$5,450 |
| Footing depth | 36″ × 6 posts | 36″ × 2 posts |
| Concrete | 12 × 60-lb bags | 4 × 60-lb bags |
| Cut-list items | 7 | 5 |
| Build steps | 12 | 10 |
Cost & budget
The 12x16 ft Dutch Gable Pavilion Plan lands in the $13,950–$21,775 range for materials in Black Locust, while the 10x12 ft Garage-Attached Lean-To Shelter Plan runs $3,475–$5,450 in Black Locust. The second plan is approximately 301% more expensive at typical 2026 lumber-yard pricing — driven mostly by the choice of Black Locust over Black Locust and the difference in cubic concrete volume between 6 and 2 footings.
Labor & difficulty
At ~20 hours, the 12x16 ft Dutch Gable Pavilion Plan is rated Beginner. The 10x12 ft Garage-Attached Lean-To Shelter Plan takes ~36 hours and is rated Intermediate. The labor delta is roughly 16 hours, or one extra working day on the 10x12 ft Garage-Attached Lean-To Shelter Plan. If you are newer to outdoor woodworking, the 12x16 ft Dutch Gable Pavilion Plan is the safer pick — it uses simpler joinery and fewer compound cuts.
Footprint & site fit
At 192 sq ft vs 120 sq ft, you are choosing between a generous patio cover and a generous patio cover. Allow at least 24 inches of clearance on every side for furniture and walking paths — that means the 12x16 ft Dutch Gable Pavilion Plan needs a clear area of approximately 16×20 ft and the 10x12 ft Garage-Attached Lean-To Shelter Plan needs 14×16 ft.
Material & durability
The 12x16 ft Dutch Gable Pavilion Plan is built from Black Locust, while the 10x12 ft Garage-Attached Lean-To Shelter Plan calls for Black Locust. Both plans share the same species, so you can buy from a single lumber order if you build them in sequence — a common move for homeowners adding both a primary structure and a complementary screen or arbor.
Verdict
For a builder weighing these two specifically, 10x12 ft Garage-Attached Lean-To Shelter Plan is the clear budget pick. If both fit your budget and yard, default to the design whose style language matches the rest of your house — a Craftsman bungalow looks awkward beside a modern slatted pergola, and vice versa.
Read each plan in full before committing: the complete 12x16 ft Dutch Gable Pavilion Plan page and the complete 10x12 ft Garage-Attached Lean-To Shelter Plan page. Both ship with full cut lists, hardware schedules, footing specs, and step-by-step build instructions.