Winthrop 35 Enclosed
Enclosed Garage Apartment | ADU with Interior Staircase
887 Sq Ft | 1 Bed | 1.0 Bath | 2-Story
CAD files not modifiable and are strictly for use by licensed structural engineers. Issued in .dwg format, they are not native AutoCAD files and are not for purposes of altering the original design.
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Modify This PlanWinthrop 35 Enclosed Garage/ADU Plan
1-Bedroom Enclosed Garage Apartment ADU with Interior Staircase & Full Kitchen
887 SQ. FT. | 1 BED | 1 BATH | 2-STORY | 2-CAR DRIVE-UNDER GARAGE
The Winthrop 35 Enclosed is the interior-access version of the Winthrop 35 — delivering the same complete, self-contained apartment experience with the added privacy and security of an interior staircase. With a full kitchen, dedicated living area, private bedroom, full bathroom, walk-in closet, and in-unit washer/dryer, this is a true apartment above a 2-car garage in a clean, efficient footprint.
Ideal for rental income, multi-generational living, or a private guest suite, the enclosed staircase design keeps the apartment fully integrated and weather-protected year-round.
Interior Staircase Access: A private interior staircase provides secure, weather-protected access to the apartment — ideal for year-round rental or multi-generational use.
Full Kitchen: A complete kitchen makes the Winthrop 35 Enclosed a fully self-sufficient living unit for long-term tenants or permanent residents.
Private Bedroom with Walk-In Closet: A dedicated bedroom with a generous walk-in closet provides comfortable, private living.
In-Unit Washer/Dryer: Laundry hookups within the unit keep daily living completely independent and convenient.
2-Car Drive-Under Garage: A spacious 980 sq. ft. drive-under garage provides secure parking and substantial storage below.
- Footprint: 28’ 0” Width x 35’ 0” Depth
- Max Ridge Height: 26’ 11”
- Foundation: Slab on Grade
- Framing: 2x6 Exterior Walls | Truss Roof Framing
- Ceilings: 9’ First Floor | 9’ Second Floor
- Garage: Drive-under, 980 sq. ft., 2 Cars, Front Entry
- Roof Details: 10 on 12 Pitch | Truss Framing
Every blueprint in our collection is crafted with a strict focus on structural flow and spatial efficiency. The Winthrop 35 Enclosed delivers all the livability of a complete apartment with the added security and privacy of interior access — a smart, practical ADU solution for any property.
Every blueprint is crafted by Angela, a professional spatial designer with a degree in Construction Graphics Technology from Purdue and studies in interior architecture.
With 16+ years of custom home design — including a decade in custom construction in Charleston, SC — Angela specializes in resilient coastal style homes designed for flood and hurricane zones.
Purchase of PDF Set includes:
- Cover sheet with general notes
- Foundation Plan
- Floor Plans with Dimensions
- Exterior Elevations
- Cross Section
- Door & Window Schedules
- Roof plan
- Electrical Plans
- Cabinetry Elevations (most plans- please inquire to confirm)
What's Not Included:
- Architectural or Engineering Stamp - handled locally if required
- Site Plan - handled locally when required
- Mechanical Drawings (location of heating and air equipment and duct work) - your subcontractors handle this
- Plumbing Drawings (drawings showing the actual plumbing pipe sizes and locations) - your subcontractors handle this
- Energy calculations - handled locally when required
Purchase of Chief Architect plan:
- Plan and Layout files (.plan and .layout) files formatted to be used in design software Chief Architect X15 or Home Designer Pro 2024
- All materials and textures related to plan for 3D viewing
- PDF plan set included with purchase
Readable Reverse Add-On:
- A right reading mirror image of the plan (flipped vertically from right to left) with all dimensions and text formatted to be read correctly