Plan HG-1099•A-Frame Cabin•24' × 18' Footprint

624 Sq Ft (18x24) 1 Bed 1 Bath A-Frame Cabin Floor Plan with Loft

624 sq ft heated living • 1 Bedroom, 1 Bath • Free 2D CAD Blueprint (.SVG)

Download Free CAD (.SVG)

Room Dimensions & Zones

24' × 18' Shell

MAIN BEDROOM

112 sq ft

14'-0" × 8'-0"

FULL BATH

80 sq ft

10'-0" × 8'-0"

CATHEDRAL GREAT ROOM

140 sq ft

14'-0" × 10'-0"

KITCHEN & DINING

100 sq ft

10'-0" × 10'-0"

UPPER SLEEPING LOFT

192 sq ft

24'-0" × 8'-0"

Build Cost Estimator

Estimated Cost to Build (24' × 18' A-Frame Cabin)

Region:

Shell / Building Kit

$29,000 – $37,000

Framing package, roof trusses & exterior shell for 432 sq ft base.

Owner-Builder

$74,000 – $97,000

Saves ~$33,000 by managing local slab & interior trades.

Turnkey Builder

$107,000 – $130,000

Full general contractor finish including slab, HVAC, kitchen & baths.

Est. Monthly Payment

$615 / mo

$94,800 financed (30-Yr)

Down Payment:20%

Interest Rate:6.75%

Free Vector CAD Blueprint • Plan HG-1099

Download 24' × 18' A-Frame Cabin 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 (10 yd³), roof surface (~684 sq ft), wall framing & architectural notes

Building Package	Specification	Quantity	Est. Range
Structural Shell & Trusses	24'×18' Heavy Timber / Engineered Glulam A-Truss System (4' o.c.)	432 sq ft shell kit	$29,000 – $37,000
Concrete Slab & Grade Beams	Insulated Concrete Pier / Frost-Protected Slab or Full Walkout	10 Cubic Yards (4,000 PSI)	$5,000 – $6,500
Roofing & Underlayment	Continuous Steep-Pitch Standing Seam Metal Roof (60°) (12:12 Pitch)	11 Roofing Squares (1,100 sq ft)	$4,620 – $7,480
Closed-Cell Spray Foam / Insulation	3" Closed-Cell Wall & Roof Deck Thermal Envelope (R-21 to R-38)	3,884 Board Feet	$5,243 – $7,185
Windows & Exterior Doors	Low-E Argon Black Architectural Glazing + 36" Fiberglass Entry	4 Windows • 3 Doors	$3,800 – $6,020
HVAC & Multi-Zone Mini-Split	High-SEER2 Heat Pump / Ductless Mini-Split System	1.5 Ton (18,000 BTU/hr)	$3,900 – $6,150

Exterior Perimeter

84 Linear Ft

Interior Partitions

~108 Linear Ft

Est. Concrete Slab

10 Cubic Yards

Roof Deck Area

~684 Sq Ft

Plan HG-1099 (624 Sq Ft (18x24) 1 Bed 1 Bath A-Frame Cabin Floor Plan with Loft) is an IRC R304/R310-vetted a-frame cabin blueprint engineered around a 24'-0" × 18'-0" structural grid (432 sq ft base footprint, 0.75:1 Square-Bay Proportion). Configured on the Cathedral Glass Gable + Overlooking Sleeping Loft topology, this layout delivers 624 sq ft of conditioned residential living area and 192 sq ft of covered outdoor porch deck.

Inside the conditioned envelope, the floor plan is organized into 6 distinct architectural zones: MAIN BEDROOM (14'-0" × 8'-0", 112 sq ft), FULL BATH (10'-0" × 8'-0", 80 sq ft), CATHEDRAL GREAT ROOM (14'-0" × 10'-0", 140 sq ft), KITCHEN & DINING (10'-0" × 10'-0", 100 sq ft), UPPER SLEEPING LOFT (24'-0" × 8'-0", 192 sq ft), OPEN TO BELOW (24'-0" × 10'-0", 240 sq ft). Plumbing rough-ins are consolidated across FULL BATH, KITCHEN & DINING to minimize sub-slab trenching and manifold pipe runs. Sleeping quarters (MAIN BEDROOM at 112 sq ft; UPPER SLEEPING LOFT at 192 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 24' clear-span width utilizes heavy timber / engineered glulam a-truss system (4' o.c.) bearing on 84 linear feet of 6" exterior wall framing (~99 framing studs/posts) and 108 linear feet of interior partitions. The 12:12 continuous steep-pitch standing seam metal roof (60°) requires approximately 684 sq ft of roofing material (11 roofing squares), while the insulated concrete pier / frost-protected slab or full walkout pours at an estimated 10 cubic yards of 4,000-PSI concrete.

Frequently Asked Questions • Plan HG-1099

Building costs, foundation specs, egress & CAD customization questions

How much does it cost to build the 24x18 624 Sq Ft (18x24) 1 Bed 1 Bath A-Frame Cabin Floor Plan with Loft (HG-1099)?

Based on current national residential construction data for a-frame cabin structures, the dried-in structural shell for Plan HG-1099 (432 sq ft base footprint) ranges from $29,000 to $37,000 ($45/sq ft baseline). A complete turnkey build—including the 10-yard concrete foundation, 108 linear feet of interior framing, MEP rough-ins for 1 bath(s), and interior finishes across 624 sq ft of heated space—ranges from $107,000 to $130,000. 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 624 sq ft 1-bedroom layout?

Plan HG-1099 features 6 architecturally solved spaces inside its 24' × 18' footprint: MAIN BEDROOM (14'-0" × 8'-0", 112 sq ft), FULL BATH (10'-0" × 8'-0", 80 sq ft), CATHEDRAL GREAT ROOM (14'-0" × 10'-0", 140 sq ft), KITCHEN & DINING (10'-0" × 10'-0", 100 sq ft), UPPER SLEEPING LOFT (24'-0" × 8'-0", 192 sq ft), OPEN TO BELOW (24'-0" × 10'-0", 240 sq ft). Every habitable room meets or exceeds IRC R304 minimum area (70+ sq ft) and minimum horizontal dimension (7'-0"+) requirements.

Can this 24' × 18' floor plan be built with post-frame, red-iron steel, or 2x6 stick framing?

Yes. Because the outer envelope is engineered on an even 24'-0" × 18'-0" structural grid (84 LF perimeter) with clear-span 12:12 trusses, a local structural engineer or building kit supplier can adapt the blueprint for Heavy Timber / Engineered Glulam A-Truss System (4' o.c.), 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-1099?

Downloading Plan HG-1099 provides the high-resolution scalable vector floor plan (.SVG) with crisp architectural lineweights, exterior dimension strings (24'-0" × 18'-0"), room-by-room callouts, door swing arcs, and window schedules, plus instant browser printing for contractor bidding and preliminary municipal zoning review.