ZaraNova / Ready-to-build designs / Barnhaus 103

ZaraNova collection · MODEL 103

BarnhausModel 103 · Single-level home, no stairs

One level, no stairs. Four bedrooms, a kitchen and living room under a roof that climbs to 23 feet, a 3-car garage, and 891 SF of terraces. A forever home that stays easy.

See the three options View blueprints

88'-6" × 64'-9"

Barnhaus 103: Front approach at dusk: graphite facade, limestone entry, 3-car garage

2,950SF heated

3,948SF total incl. garage

4Bedrooms

4.5Baths

3-carGarage

6–8 moTurnkey build

Overview

Barnhaus 103 is the single-level home in the collection: 2,950 SF of heated space on one floor, with a 998 SF three-car garage wing under a flat roof and 891 SF of terraces. There are no stairs anywhere. It's the plan we recommend for anyone thinking twenty years ahead.

The roof is the idea. An asymmetric standing-seam roof climbs from 12 feet at the bedroom wing to a 23-foot ridge over the kitchen and formal living room, with a full-height glass wall at the peak and a wall of sliding doors to the 548 SF main terrace. The 549 SF kitchen, the largest in the collection, sits at the center of the house.

The bedroom wing holds a 341 SF primary suite with a 133 SF bath and a 101 SF walk-in closet, two bedrooms with their own baths, and a guest room by the entry with a bath and closet. Laundry, pantry, utility, and a mudroom off the garage take care of the rest. The house number stands in raised steel numerals beside the front door.

Every dimension on this page comes from the home's digital twin, the complete 3D model from which the steel is manufactured. What you're reading is not a rendering of an idea. It's the description of a fully engineered building.

Built to last for centuriesSteel frame, MgO sheathing, porcelain skin. Nothing organic to rot, warp, or feed termites. A structure that doesn't move, so it doesn't crack.
Non-combustible from foundation to roofConcrete, steel, mineral board, and fired porcelain. Insurers notice, and so does a family in a wildfire year.
Designed completely before it's builtA millimeter-accurate digital twin in which every window, duct, cabinet, and outlet is placed before anything is manufactured. The steel is cut from that twin.
Sealed, ventilated, healthy airA closed envelope with continuous exterior insulation and a Zehnder heat-recovery ventilator exchanging the home's air six times a day.

Graphite PorcelainFacade as rendered

LimestoneGarage wing and entry, as rendered

ThermowoodGable accent

Visualizations

Barnhaus 103: Front at daylight — Front at daylight

Barnhaus 103: Front at night — Front at night

Barnhaus 103: Garden side, showing the asymmetric roof — Garden side, showing the asymmetric roof

Barnhaus 103: Rear terrace and living-room glass wall — Rear terrace and living-room glass wall

Barnhaus 103: Terrace and outdoor kitchen — Terrace and outdoor kitchen

Barnhaus 103: Aerial: standing-seam roof over the living wing — Aerial: standing-seam roof over the living wing

Barnhaus 103: Aerial from the garden — Aerial from the garden

Barnhaus 103: Kitchen and living under the high roof — Kitchen and living under the high roof

Barnhaus 103: Kitchen island and tall cabinetry — Kitchen island and tall cabinetry

Barnhaus 103: Primary bedroom — Primary bedroom

Barnhaus 103: Primary bath with freestanding tub — Primary bath with freestanding tub

Barnhaus 103: Primary walk-in closet — Primary walk-in closet

Barnhaus 103: Bedroom with terrace doors — Bedroom with terrace doors

Barnhaus 103: Bedroom in a darker palette — Bedroom in a darker palette

Barnhaus 103: Bedroom with TV wall — Bedroom with TV wall

Barnhaus 103: Guest bedroom and its closet — Guest bedroom and its closet

Barnhaus 103: Walk-in closet — Walk-in closet

Barnhaus 103: Second walk-in closet — Second walk-in closet

Barnhaus 103: Third walk-in closet — Third walk-in closet

Barnhaus 103: Bath with walk-in shower — Bath with walk-in shower

Barnhaus 103: Laundry room — Laundry room

Blueprints

Floor plans for every level, building sections, and all elevations. Click any sheet to view it full screen. The complete permit set comes with every option below.

Barnhaus 103: Exploded floor diagram — Exploded floor diagram

Barnhaus 103: Ground floor plan — Ground floor plan

Barnhaus 103: Elevation 1-7 — Elevation 1-7

Barnhaus 103: Elevation 7-1 — Elevation 7-1

Barnhaus 103: Elevation G-A — Elevation G-A

Barnhaus 103: Elevation A-G — Elevation A-G

1 / 7Exploded floor diagramClick the sheet to view full screen

Rooms & areas

2,950 SFSingle floor, heated

998 SFGarage & storage

891 SFTerraces

549 SFKitchen

341 SFPrimary bedroom

Single level

primary bedroom, 2 × bedroom, pantry, utility room, mudroom, guest room, 3 × bath, 3 × closet, foyer, laundry room, kitchen, formal living, primary closet, primary bath, powder room

2,950 SF

Garage & storage

garage, 2 × storage

998 SF

Terraces

entry terrace, main terrace, primary suite terrace

891 SF

Heated area 2,950 SF + garage and storage 998 SF = 3,948 SF total, the basis for the three prices below. Heated area counts every room on every level: bathrooms, closets, utility rooms, and halls included. Terraces (891 SF) are not counted. Room-by-room areas are on the blueprints.

Dimensions

88'-6"Overall width (grid 1 to 7)

64'-9"Overall depth (grid A to F)

23'-2"Height, floor to ridge

9'-0" / 10'-0"Ceilings, bedrooms / garage wing

20'-6"Living room under the high roof

3Garage bays · 998 SF

548 SFMain terrace

0Stairs

Lot requirement: the footprint is roughly 88'-6" × 64'-9". Allowing for typical setbacks, Barnhaus 103 fits on a lot 120' × 110' or larger. We'll confirm fit against your specific lot and zoning during the consultation.

How it's built

Every ZaraNova home is built in layers, each doing one job. Read from the inside out.

Cold-formed steel frame

Light-gauge galvanized steel profiles, joists, and trusses, manufactured on CNC roll-forming equipment directly from the digital twin. Each piece is labeled and packed in assembly order. Steel doesn't shrink, swell, warp, or rot, so walls stay laser-straight and floors never squeak.

Manufacturing · SteelModu ↗

MgO board sheathing

Magnesium-oxide board replaces plywood and OSB on walls, floors, and roof. It's non-combustible, immune to mold and moisture, and bonded to the steel joists with structural silicone, which is why the floors have zero movement.

Supply · Megaboard ↗

Continuous exterior insulation

Closed-cell spray foam applied to the outside of the sheathing wraps the whole structure in one unbroken layer: insulation, air barrier, and vapor barrier at once. Applied outside the profiles, it eliminates thermal bridging through the steel and moves the dew point outside the wall, so condensation never forms inside it.

Installation · Foamus ↗

Ventilated porcelain cladding

Large-format porcelain slabs hung on the patented Megabai wall-furring system, with a ventilated cavity behind them. Porcelain is indifferent to sun, rain, heat, and frost, never fades, and comes in almost any look: slate, stone, marble, or the wood-plank finish of the gable.

System · Megabai Wall Furring ↗

Insulated sandwich roof

Steel roof trusses carry insulated sandwich panels, a rigid insulating core between two metal skins, finished with a standing-rib metal roof. One factory-made component replaces decking, underlayment, insulation, and roofing.

Detail · Spec sheet on request

Fresh-air system

A Zehnder heat-recovery ventilator continuously replaces stale indoor air with filtered outdoor air, transferring only heat between the two streams, never moisture. The home's full air volume is exchanged six times a day, quietly, in every room.

System · Zehnder ↗

Three ways to buy

Barnhaus 103 is offered three ways, from the steel structure alone, shipped anywhere in the US or Canada, to a finished home built by us on your lot. Every option includes the complete blueprint set. Click an option to select it.

Option 1 · Ships US & Canada

Skeleton kit

$25 / SFof total area · ≈ $98,700 for 3,948 SF

The complete steel structure of the home, manufactured, flat-packed as a kit, and ready to ship.

All steel parts, CNC-manufactured from the digital twin: profiles, tracks, joists, trusses
Every part marked and packed in assembly order
Flat-packed and strapped for freight
Detailed step-by-step assembly instructions
Complete blueprint set, ready for permitting
Delivery not included, quoted by destination
Assembly, foundation, envelope, and finishes not included

Optional: our engineer or project manager on site to lead the assembly.

Select Option 1

Option 2 · Within 150 miles of Buffalo Grove, IL

Panelized & installed

$35 / SFof total area · ≈ $138,000 for 3,948 SF

The same steel, assembled into wall panels and trusses at our factory, delivered, and installed on your foundation by our crew.

Everything in Option 1
Wall panels, floor trusses, and roof trusses assembled in our factory
Installed on your foundation by a ZaraNova crew, with crane and site supervision included
Structure plumbed, braced, and ready for sheathing
MgO sheathing available on request
Delivery not included, quoted by distance
Foundation, envelope, and finishes not included

Available to project sites within 150 miles of our facility in Buffalo Grove, Illinois.

Select Option 2

Option 3 · Our build region

Turnkey home

$350–450 / SFof total area · by level of finishes & appliances · from $1.38M

Barnhaus 103 built start to finish by ZaraNova on your lot, 6 to 8 months from ground break to keys.

Architectural drawings, engineering, and permit handling
Foundation, structure, envelope, insulation, and cladding
Windows, doors, HRV, mechanical, electrical, plumbing
Interior finishes: flooring, doors, kitchen, bathrooms, appliances
Land, site work, and utility connections, quoted per lot

Final price per square foot depends on the finish and appliance level you select. Available in Chicagoland, the North Shore, and southern Wisconsin.

Select Option 3

Blueprints with every optionA complete blueprint set, ready for permitting in Illinois. Building in another state? The same set goes to an architect licensed in your state for review and stamp. We supply everything they need.

Permit fees not includedMunicipal permit and review fees are paid directly to your jurisdiction under every option.

Delivery quoted separatelyFreight for Options 1 and 2 is quoted by destination and distance once we know where the home is going.

One digital twin, three optionsAll three start from the same engineered model, so moving from a kit to an installed structure, or to a turnkey home, is a change of scope, not a redesign.

Customization

Love the concept but need changes? That's normal. Most of our clients start from Barnhaus 103 and adjust it: a fourth garage bay, a pool-side outdoor kitchen on the main terrace, a larger guest suite, or a mirrored plan to suit the lot.

Because the house lives as a digital twin, changes are made in the model first, and the steel is manufactured to the new version. Small modifications are quick. Larger ones are re-engineered and re-priced before anything is fabricated. Either way, you see the exact result before a single part is cut.

Facade color, porcelain finish, interior door style, flooring, and bathroom fixtures are all selections you make with us. They don't change the structure or the price of the shell.

Graphite PorcelainFacade as rendered

LimestoneGarage wing and entry, as rendered

ThermowoodGable accent

Barnhaus 103