The Hollow - Barndominium House Plan
A 30′ × 30′ garage and shop and a one-bedroom home, one door apart.
Front elevation (South): the 26 foot front porch.
Exterior renders show the steel version of this plan; the wood-framed set's windows and doors are as drawn on its own elevations.
Six in the morning, the shop door up, coffee in hand, the house one door away. The Hollow is a single-story 1-bedroom, 1-bath barndominium, about 1,100 square feet on a 30×70 footprint: a vaulted living and dining room with the kitchen open along its back wall, a walk-in pantry, porches front and back, and a 30′ × 30′ garage and shop. Whoever builds it goes to work without going outside.
The Floor Plan
Key Features
- A 30′ × 30′ garage and shop behind two 10 foot wide overhead doors on the gable end
- An open living and dining room, 26′ × 20′ and vaulted, with the front door opening straight into it from the porch
- A 19′ × 10′ kitchen along the back wall, open to the living room and vaulted, with a barn door to the walk-in pantry and a sliding door onto the rear porch
- One bedroom at full size, 14′ × 18′ and vaulted, at the opposite end from the shop, with its own bath and a 6′ × 12′ walk-in closet
- High transom windows on both long walls of the shop, daylight without giving up the wall space below
- Laundry behind its own door off the kitchen, with its own window onto the rear porch
- Porches front and back, 26 feet each, 416 square feet in all
- A 3:12 gable roof over a 12 foot eave, stepping up to 14 feet over the shop
Is This Plan Right for You?
A great fit if you want
- one bedroom built at full size, 14′ × 18′ and vaulted, with its own bath and walk-in closet
- a 30′ × 30′ garage and shop with two overhead doors, as much a part of the plan as the house
- one open living and dining room under a vaulted ceiling, with the kitchen open to it along the back wall
- porches front and back and single-story living
- a home around 1,100 square feet of conditioned space, with a garage and shop of about 850 square feet beside it
View our other plans if you need
- a second bedroom: see the 2 bedroom plans 2 Bedroom Barndominium Floor Plans
- a bathroom guests can reach without crossing the bedroom: the one bath opens off the bedroom only; see the 2 bedroom plans 2 Bedroom Barndominium Floor Plans
- more living space at the same 30 foot width: the 30×80 and 30×90 plans The Ridge
- a mud room between the shop and the house: here the shop door opens straight into the living room; see plans with a mud room The Mesa
Tour The Hollow
The Heart of the Home
Step in through the French door and the 26′ × 20′ living and dining room opens under a vaulted ceiling, the 19′ × 10′ kitchen open along its back wall, vaulted too. A barn door hides the walk-in pantry; a sliding door opens onto the rear porch. Supper goes from the range to the back porch with no hallway between.
The Shop
Roll in through two 10 foot wide overhead doors and the 30′ × 30′ garage and shop has room for the truck and a workbench. High transom windows on both long walls light it without taking wall space, and a door opens into the living room. Whoever is at the bench at nine is home.
The Master Suite
Walk to the far end from the shop and the 14′ × 18′ bedroom opens under a vaulted ceiling, a twin window on the front and one on the end wall. Its bath and a 6′ × 12′ walk-in closet open off it, 26 feet of living room between bed and shop. Whoever sleeps here wakes far from the tools.
Work & Service
Step from the kitchen into the 7′ × 7′ laundry behind its own door, a window onto the rear porch, the 7′ × 5′ pantry beside it behind the barn door. The 7′ × 5′ mechanical room opens off the shop, so a service call never comes through the house. Whoever runs the wash never leaves the kitchen.
Outdoor Living
Step out through the French door and the 8′ × 26′ front porch runs the width of the living room, deep enough for a table; out the kitchen's sliding door, the matching 8′ × 26′ rear porch runs along the back. That is 416 square feet under cover. Coffee out front, the evening out back.
Plan Specifications
Square footage
| Conditioned living area | 1,110 sq ft |
|---|---|
| Garage and shop | 826 sq ft |
| Covered porches (front 208 sq ft + rear 208 sq ft) | 416 sq ft |
| Total under roof | 2,352 sq ft |
Building
| Span × length | 30′ × 70′ (30 ft clear span, 70 ft long) |
|---|---|
| Eave height | 12′, stepping up to 14′ over the garage and shop |
| Ridge height | 17′-9″ |
| Roof | Gable, 3:12 |
| Stories | 1 |
| Ceiling height (flat areas) | 9′-0″ |
| Vaulted ceilings | Master Bedroom, Kitchen, Living / Dining |
Construction
| System | Designed for standard pre-engineered metal building (PEMB) construction |
|---|---|
| Interior walls | 4-1/2 in thick (2x4 framed) |
| Foundation | Not included; designed by your local structural engineer for your site, using the anchor bolt plan and loads from your building supplier |
Openings
| Doors | 12 (two 10′ × 8′ overhead, one exterior walk door from the garage and shop, one French entry door, one patio sliding door, one fire-rated, self-closing door from the garage and shop into the living room) |
|---|---|
| Windows | 11 (the bedroom has an egress window, big enough to climb out of in an emergency) |
Rooms
| Master bedroom | 14′ × 18′ |
|---|---|
| Living / dining | 26′ × 20′ |
| Kitchen | 19′ × 10′ |
| Master bath | 8′ × 12′ |
| Walk-in closet | 6′ × 12′ |
| Pantry | 7′ × 5′ |
Room sizes here are before the outside wall is taken off. The floor plans print finished sizes, a little smaller along an outside wall, and the presentation floor plan notes any corner a room gives up to a closet or a notch.
Service & extras
| Garage and shop | 30′ × 30′, two 10′ × 8′ overhead doors on the gable end |
|---|---|
| Laundry | 7′ × 7′ |
| Mechanical | 7′ × 5′ |
| Front porch | 8′ × 26′ |
| Rear porch | 8′ × 26′ |
Square footage
| Conditioned living area | 1,137 sq ft |
|---|---|
| Garage and shop | 848 sq ft |
| Covered porches (front 208 sq ft + rear 208 sq ft) | 416 sq ft |
| Total under roof | 2,401 sq ft |
Building
| Span × length | 30′ × 70′ (30 ft clear span, 70 ft long) |
|---|---|
| Eave height | 12′ |
| Ridge height | 15′-9″ |
| Roof | Gable, 3:12 |
| Stories | 1 |
| Ceiling height (flat areas) | 9′-0″ |
| Vaulted ceilings | Master Bedroom, Kitchen, Living / Dining |
Construction
| System | Designed for standard wood-frame construction |
|---|---|
| Exterior walls | 2×6 studs with continuous sheathing and braced wall panels, shown on the detail floor plan |
| Interior walls | 4-1/2 in thick (2x4 framed) |
| Foundation | Not included; designed by your local structural engineer for your site |
Openings
| Doors | 12 (two 10′ × 8′ overhead, one exterior walk door from the garage and shop, one French entry door, one patio sliding door, one fire-rated, self-closing door from the garage and shop into the living room) |
|---|---|
| Windows | 12 (the bedroom has an egress window, big enough to climb out of in an emergency) |
Rooms
| Master bedroom | 14′ × 18′ |
|---|---|
| Living / dining | 26′ × 20′ |
| Kitchen | 19′ × 10′ |
| Master bath | 8′ × 12′ |
| Walk-in closet | 6′ × 12′ |
| Pantry | 7′ × 5′ |
Room sizes here are before the outside wall is taken off. The floor plans print finished sizes, a little smaller along an outside wall, and the presentation floor plan notes any corner a room gives up to a closet or a notch.
Service & extras
| Garage and shop | 30′ × 30′, two 10′ × 8′ overhead doors on the gable end |
|---|---|
| Laundry | 7′ × 7′ |
| Mechanical | 7′ × 5′ |
| Front porch | 8′ × 26′ |
| Rear porch | 8′ × 26′ |
Included in This Plan Set
The Design Plan Set is eight pages in one PDF, sized to print at 24 × 36 inches (ARCH D). It is the set you send out for quotes and estimates; each page is listed below.
Included Pages
- A-001Cover sheet and legend
- A-100Presentation floor plan
- A-101Detail floor plan
- A-102Schedules
- A-111Roof plan
- A-201Exterior elevations
- A-202Exterior elevations
- L-001License and terms
Not included, handled by local professionals
- Foundation design: by your local structural engineer for your site, using the anchor bolt plan and loads from your building supplier
- Engineering drawings for the structure (provided by your chosen supplier)
- Plumbing, electrical and HVAC layouts, by your local trades to local code
The Design Plan Set is eight pages, delivered as a single PDF sized to print at ARCH D (24 × 36 in). It carries the detail a framing contractor and a truss manufacturer need to quote this exact home, enough for local contractors to price the slab foundation and the interior fit-out, and enough to take a real number to your lender.
Included Pages
- A-001Cover sheet and legend
- A-100Presentation floor plan
- A-101Detail floor plan
- A-102Schedules
- A-111Roof plan
- A-201Exterior elevations
- A-202Exterior elevations
- L-001License and terms
Not included, handled by local professionals
- Foundation design: by your local structural engineer for your site
- Roof truss engineering: the sealed truss drawings and layout from your truss manufacturer
- Plumbing, electrical and HVAC layouts, by your local trades to local code
Can I Build This?
Yes: every page is designed for standard pre-engineered metal building (PEMB) construction. Stamped structural drawings come from your building supplier's engineer, and permit review is with your local building department.
Why a pre-engineered metal building?
A PEMB encloses more home for the money than a wood-framed building and goes up in weeks. Its steel frames carry the roof, so no inside wall has to hold it up: the living room, kitchen and bedroom can be vaulted, and the shop end can rise to a 14 foot eave. The frame layout on these pages follows standard metal building practice, so a supplier can quote it as drawn.
Who does what
We design the home: the rooms, where the doors and windows go, the elevations and the roof. Your building supplier engineers the steel frame for your site and confirms the vaulted ceilings against it. That is the usual split on a metal building project, and our pages are drawn to it.
Yes: every page is designed for standard wood-frame construction. The sealed truss drawings come from your truss manufacturer's engineer, the foundation design from your local structural engineer, and permit review is with your local building department.
Why wood framing?
A 2×6 wood frame is the construction framing crews work in and lumber yards stock, with a deeper wall cavity for insulation than a 2×4 wall. The roof is carried on trusses, engineered by your truss manufacturer for the spans these pages draw, and the kitchen, living room and master bedroom are designed with vaulted ceilings that follow the roof trusses. The braced wall panels on these pages follow the US building code's standard method; the header framing comes with the construction plan set, and any beam too large for the code's tables is marked there for an engineer to size.
Who does what
We design the home: the rooms, where the doors and windows go, the elevations and the roof, and the braced wall panels the US building code asks for. Your chosen truss manufacturer's engineer designs the trusses: the sealed truss drawings and layout for your exact roof, and they confirm the vaulted ceilings against the trusses they supply. Your local structural engineer designs the foundation, including any thickened footings under interior bearing walls. That is the usual split on a wood-framed project, and our pages are drawn to it.
What Will It Cost to Build?
$250,000 to $300,000
A home like The Hollow is estimated to complete for $250,000 to $300,000 with you as your own general contractor, hiring the trades yourself. That covers the steel building and putting it up, the foundation, the inside finish, and an allowance for site work, utilities, driveway and septic.
It leaves out land, financing, sales tax, payroll taxes and insurance on labor, appliances beyond a standard allowance, landscaping and window coverings. Hiring a general contractor adds about 15 percent.
This is a rough estimate, not a quote. Costs vary by region by 15 to 25 percent, and your building supplier and local contractors will price it for your area. Our barndominium buying guide walks through what moves the number.
$305,000 to $355,000
A home like The Hollow is estimated to complete for $305,000 to $355,000 with the owner acting as general contractor, including framing materials and labor, roof trusses, metal roofing and wall panels, the foundation, interior finish, and an allowance for site work, utilities, driveway and septic.
It excludes land, financing, sales tax, labor burden, appliances beyond a standard allowance, landscaping and window coverings, and hiring a general contractor typically adds about 15 percent.
This is a rough estimate, not a quote: costs vary by region by 15 to 25 percent, and your framing contractor and local trades will price for your chosen building location. Our barndominium buying guide walks through what moves the number.
Frequently Asked Questions
Is The Hollow a family plan with the bedrooms taken out?
No. It was drawn around one bedroom and one shop from the start. The bedroom is 14′ × 18′ with its own bath and walk-in closet. The garage and shop is a full 30′ × 30′. No room was taken out: 30 feet wide and 70 feet long is what one person and one shop need.
Is the shop a real shop or a garage with a bench?
A real shop, with room for two cars. It is 30′ × 30′, about 850 square feet inside the walls, with two 10 foot wide overhead doors. High windows on both long walls light it and leave the wall space below them clear. What goes in it is your call; the door sizes and eave height are on the drawings.
Can I build The Hollow with any metal building supplier?
Yes. Every page is designed for standard pre-engineered metal building (PEMB) construction, so any steel building supplier can quote this home as drawn. Their engineer then provides the stamped engineering drawings for the steel building, along with an anchor bolt plan and the loads for your site, and your local structural engineer designs the foundation from them.
Is the plan stamped, engineered, or permit-ready?
No. No plan set is a permit. This design set is for quotes, budgeting, and financing; permit review comes later, on a construction plan set (ours is launching soon) with the engineering your building department requires. The Hollow is designed and informed by the IRC (USA) and NBC Part 9 (Canada). Local permit review is between you, your builder and your building department.
Is a steel barndominium a good choice in a wildfire zone?
Yes, with the rest done right. The steel frame and the metal wall and roof panels do not burn, the kind of construction wildfire rules favor. A metal roof also carries the top fire rating, Class A. Ember-resistant vents, boxed eaves, tempered windows and cleared ground around the house decide the rest. No home is fireproof.
Is a steel barndominium a good choice on the coast?
Yes. Your building supplier's engineer designs the frame, its bracing and its anchor bolts for your site's wind speed, and the stamped drawings say so. The windows, doors and panel fasteners decide the rest. Buy windows and doors rated for your wind zone, and fasten the panels to the engineer's schedule, which says how many fasteners go where.
Is The Hollow a family plan with the bedrooms taken out?
No. It was drawn around one bedroom and one shop from the start. The bedroom is 14′ × 18′ with its own bath and walk-in closet. The garage and shop is a full 30′ × 30′. No room was taken out: 30 feet wide and 70 feet long is what one person and one shop need.
Is the shop a real shop or a garage with a bench?
A real shop, with room for two cars. It is 30′ × 30′, about 850 square feet inside the walls, with two 10 foot wide overhead doors. High windows on both long walls light it and leave the wall space below them clear. What goes in it is your call; the door sizes and eave height are on the drawings.
Can I build The Hollow with any framing contractor?
Yes. Every page is designed for standard wood-frame construction: 2×6 exterior walls with continuous sheathing, braced wall panels drawn to the US building code's standard method, and roof trusses. A framing contractor and a truss manufacturer can quote the home from this set; the sealed truss drawings and layout come from the truss manufacturer's engineer when you order with the construction plan set, and your local structural engineer designs the foundation for your site from that set and the loads from your truss manufacturer.
Is the plan stamped, engineered, or permit-ready?
No. No plan set is a permit. This design set is for quotes, budgeting, and financing; permit review comes later, on a construction plan set (ours is launching soon) with the engineering your building department requires. The Hollow is designed and informed by the IRC (USA) and NBC Part 9 (Canada). The sealed truss drawings come from your truss manufacturer's engineer, the foundation design from your local structural engineer, and local permit review is between you, your builder and your building department.
Is a wood-framed barndominium a good choice in a wildfire zone?
It can be. The metal roof and metal wall panels help with the exterior rules wildfire codes set, and the wood framing behind them stays protected only while that skin holds. Ember-resistant vents, boxed eaves, tempered windows and cleared ground around the house decide the rest; ask your insurer how they rate a wood frame under metal.
Is a wood-framed barndominium a good choice on the coast?
Yes, built to the high-wind rules. In high-wind regions the code asks for engineered connections: uplift straps from the trusses to the walls and anchor bolts from the walls to the slab, a continuous path from roof to ground. Your framer and truss company build to it; rated windows and doors do the rest.
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