642 Sq Ft (20x32) 2 Bed 1 Bath Garage with Loft / Apartment Above Floor Plan with Apartment Above
822 sq ft heated living + 460 sq ft 1-bay shop • 2 Bedrooms, 1 Bath • Free 2D CAD Blueprint (.SVG)
Room Dimensions & Zones
32' × 20' ShellEstimated Cost to Build (32' × 20' Garage with Loft / Apartment Above)
$41,500 – $53,000
Framing package, roof trusses & exterior shell for 640 sq ft base.
$92,500 – $122,500
Saves ~$41,500 by managing local slab & interior trades.
$134,000 – $164,000
Full general contractor finish including slab, HVAC, kitchen & baths.
$119,200 financed (30-Yr)
Download 32' × 20' Garage with Loft / Apartment Above Floor Plan (.SVG)
Scalable 2D architectural vector drawing with exterior and room dimensions, door swings, and fixture layout. Opens in AutoCAD, Illustrator, Inkscape, or any browser.
Material Takeoff & Framing Specifications
Concrete volume (17 yd³), roof surface (~861 sq ft), wall framing & architectural notes
Material Takeoff & Framing Specifications
Concrete volume (17 yd³), roof surface (~861 sq ft), wall framing & architectural notes
| Building Package | Specification | Quantity | Est. Range |
|---|---|---|---|
| Structural Shell & Trusses | 32'×20' 2x6 Lower Walls + 14" Engineered Wood I-Joist Floor System | 640 sq ft shell kit | $41,500 – $53,000 |
| Concrete Slab & Grade Beams | 6" Reinforced Garage Slab w/ Perimeter Footings & Apron | 17 Cubic Yards (4,000 PSI) | $7,250 – $9,250 |
| Roofing & Underlayment | Dormered Gable or Gambrel Roof (8:12 / 4:12 Shed Dormers) (8:12 Pitch) | 9 Roofing Squares (900 sq ft) | $3,780 – $6,120 |
| Closed-Cell Spray Foam / Insulation | 3" Closed-Cell Wall & Roof Deck Thermal Envelope (R-21 to R-38) | 8,136 Board Feet | $10,984 – $15,052 |
| Windows & Exterior Doors | Low-E Argon Black Architectural Glazing + Insulated Overhead Shop Door(s) | 9 Windows • 8 Doors | $9,050 – $14,220 |
| HVAC & Multi-Zone Mini-Split | High-SEER2 Heat Pump / Ductless Mini-Split System | 1.5 Ton (18,000 BTU/hr) | $3,900 – $6,150 |
Plan HG-1184 (642 Sq Ft (20x32) 2 Bed 1 Bath Garage with Loft / Apartment Above Floor Plan with Apartment Above) is an IRC R304/R310-vetted garage with loft / apartment above blueprint engineered around a 32'-0" × 20'-0" structural grid (640 sq ft base footprint, 0.63:1 Square-Bay Proportion). Configured on the Side-Vestibule Garage + Balcony Apartment topology, this layout delivers 822 sq ft of conditioned residential living area paired with a 460 sq ft fire-separated workshop/garage bay and 81 sq ft of covered outdoor porch deck.
Inside the conditioned envelope, the floor plan is organized into 9 distinct architectural zones: 1-BAY GARAGE (23'-0" × 20'-0", 460 sq ft), UTILITY & GEAR (9'-0" × 9'-0", 81 sq ft), FOYER & STAIRS (9'-0" × 11'-0", 99 sq ft), PRIMARY SUITE (12'-6" × 9'-0", 113 sq ft), BEDROOM 2 (11'-0" × 9'-0", 99 sq ft), FULL BATH (8'-6" × 9'-0", 77 sq ft). Plumbing rough-ins are consolidated across UTILITY & GEAR, FULL BATH, KITCHEN & ISLAND to minimize sub-slab trenching and manifold pipe runs. Sleeping quarters (PRIMARY SUITE at 113 sq ft; BEDROOM 2 at 99 sq ft) are acoustically buffered from the primary living core and positioned on exterior elevations for code-compliant egress glazing.
From a builder takeoff standpoint, the 32' clear-span width utilizes 2x6 lower walls + 14" engineered wood i-joist floor system bearing on 104 linear feet of 6" exterior wall framing (~156 framing studs/posts) and 148 linear feet of interior partitions. The 8:12 dormered gable or gambrel roof (8:12 / 4:12 shed dormers) requires approximately 861 sq ft of roofing material (9 roofing squares), while the 6" reinforced garage slab w/ perimeter footings & apron pours at an estimated 17 cubic yards of 4,000-PSI concrete.
Frequently Asked Questions • Plan HG-1184
Building costs, foundation specs, egress & CAD customization questions
Frequently Asked Questions • Plan HG-1184
Building costs, foundation specs, egress & CAD customization questions
How much does it cost to build the 32x20 642 Sq Ft (20x32) 2 Bed 1 Bath Garage with Loft / Apartment Above Floor Plan with Apartment Above (HG-1184)?
Based on current national residential construction data for garage with loft / apartment above structures, the dried-in structural shell for Plan HG-1184 (640 sq ft base footprint) ranges from $41,500 to $53,000 ($38/sq ft baseline). A complete turnkey build—including the 17-yard concrete foundation, 148 linear feet of interior framing, MEP rough-ins for 1 bath(s), and interior finishes across 822 sq ft of heated space plus the 460 sq ft shop bay—ranges from $134,000 to $164,000. Use the interactive Regional Cost Multiplier on this page to adjust for your local labor market and owner-builder sweat equity.
What are the exact room dimensions inside this 822 sq ft 2-bedroom layout?
Plan HG-1184 features 9 architecturally solved spaces inside its 32' × 20' footprint: 1-BAY GARAGE (23'-0" × 20'-0", 460 sq ft), UTILITY & GEAR (9'-0" × 9'-0", 81 sq ft), FOYER & STAIRS (9'-0" × 11'-0", 99 sq ft), PRIMARY SUITE (12'-6" × 9'-0", 113 sq ft), BEDROOM 2 (11'-0" × 9'-0", 99 sq ft), FULL BATH (8'-6" × 9'-0", 77 sq ft), LIVING & DINING (13'-6" × 11'-0", 149 sq ft), KITCHEN & ISLAND (9'-6" × 11'-0", 105 sq ft), STAIR LANDING (9'-0" × 11'-0", 99 sq ft). Every habitable room meets or exceeds IRC R304 minimum area (70+ sq ft) and minimum horizontal dimension (7'-0"+) requirements.
Can this 32' × 20' floor plan be built with post-frame, red-iron steel, or 2x6 stick framing?
Yes. Because the outer envelope is engineered on an even 32'-0" × 20'-0" structural grid (104 LF perimeter) with clear-span 8:12 trusses, a local structural engineer or building kit supplier can adapt the blueprint for 2x6 Lower Walls + 14" Engineered Wood I-Joist Floor System, conventional 2x6 stick framing at 16" o.c., laminated post-frame columns at 8' o.c., or structural insulated panels (SIPs).
What files are included in the free CAD blueprint download for Plan HG-1184?
Downloading Plan HG-1184 provides the high-resolution scalable vector floor plan (.SVG) with crisp architectural lineweights, exterior dimension strings (32'-0" × 20'-0"), room-by-room callouts, door swing arcs, and window schedules, plus instant browser printing for contractor bidding and preliminary municipal zoning review.
