20x30x14 Metal Building Residential
Blueprint

A 20x30 metal building provides exactly 600 square feet of floor space. With a 14-foot ceiling height, you can enjoy expansive, open-concept living ceilings or utilize the vertical clearance for HVAC ductwork and lighting.
Designing a 2-bedroom, 2-bathroom layout in 600 square feet requires a highly efficient, space-saving split floor plan to eliminate wasted hallway space and maximize comfort.
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## 🗺️ Floor Plan Blueprint Overview


* Total Footprint: 20' Width x 30' Length
* Total Area: 600 Sq. Ft.
* Ceiling Height: 14' (Ideal for high ceilings, transom windows, or ceiling fans)


+------------------------ 30' ------------------------+


| BEDROOM 2 | KITCHEN & DINING | BATH |
| 10' x 10' | 14' x 10' | 1 | 20'
| | | 6'x10' |
|------- --------+ | |
| BATH 2 | CLOSET| +--------|
| 6'x6' | 4'x6' | LIVING ROOM | MASTER |
|--------- -------+ 14' x 10' | BEDROOM|
| ENTRYWAY | | 10'x10'|
+-----------------------------------------------------+


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## 📐 Room-by-Room Dimensions


* Open-Concept Living & Family Room: 14' x 10' (140 sq ft)
* Situated in the center-front of the home for an open, welcoming entryway.
* Kitchen & Dining Area: 14' x 10' (140 sq ft)
* Positioned along the back wall in the center, sharing a plumbing wet-wall with Bathroom 1.
* Master Bedroom (Right Wing): 10' x 10' (100 sq ft)
* Space for a queen bed, built-in closet storage, and direct access to Bathroom 1.
* Primary Bathroom (En-Suite/Shared Right): 6' x 10' (60 sq ft)
* Accommodates a standard 60-inch tub/shower combo, vanity, toilet, and stackable washer/dryer unit.
* Bedroom 2 (Left Wing): 10' x 10' (100 sq ft)
* Features a built-in reach-in closet (4' x 6').
* Bathroom 2 (Left Wing): 6' x 6' (36 sq ft)
* Compact full bathroom featuring a corner stand-up shower stall, toilet, and space-saving floating vanity.


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## 🚰 Plumbing Layout (Wet-Wall Optimization)
To save on foundation plumbing trenches and materials, this layout utilizes two efficient core wet-walls:


* Right Wet-Wall (Shared Kitchen & Bathroom 1):
* A single main 4-inch drain stack service lines run along the back center partition.
* Connects the kitchen sink, dishwasher, bathroom vanity, toilet, and tub/shower in a straight horizontal run.
* Left Wet-Wall (Bathroom 2):
* Houses the drain and supply drops for the corner shower, toilet, and sink.
* Strategically aligned near the front left corner for a direct exterior sewer main link.
* Water Heater: A tankless electric on-demand water heater is mounted on the wall in Bathroom 1 to eliminate bulky footprint requirements.


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## ⚡ Electrical & Lighting Strategy
Given the 14-foot metal building framing, wiring should run through interior wood stud framing walls (built inside the metal skin insulation barrier).


* Service Panel: 200-Amp main distribution panel located in the left hallway or Bathroom 2 closet.
* Living Room & Kitchen:
* Flush-mounted LED recessed lighting grids to keep the high ceilings looking clean.
* Dedicated 20A appliance circuits for the kitchen countertop receptacles, refrigerator, and range.
* Bedrooms:
* Dual wall switches near entryways controlling modern ceiling fans with integrated lighting kits.
* Arc-Fault Circuit Interrupter (AFCI) protected outlets spaced every 6–8 feet along baseboards.
* Bathrooms:
* Ground-Fault Circuit Interrupter (GFCI) protected outlets directly next to vanities.
* Dedicated exhaust fans vented directly outside through the metal building sidewalls.