$320,300 Hobby-and-Workshop dual-cottage-inspired single-family home: 2,128-Sq.-Ft. Three-Bedroom Concept

Project planning guide

Before you build

Use the reference image and planning notes as a starting point. Confirm dimensions, loads, materials, local codes, and site conditions before purchasing or cutting.

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Twin Gable Family House Hobby-and-Workshop 2128, a conceptual 2128-square-foot dual-cottage-inspired single-family home with a $320,300 construction target

Twin Gable Family House Hobby-and-Workshop 2128 is a $320,300 construction-scope concept for a 2128-square-foot dual-cottage-inspired single-family home. This guide helps U.S. readers compare the intended size, rooms, sample cost allocation, and savings milestones. It is not a home listing, contractor bid, appraisal, or ready-to-build plan.

Planning target: $320,300 covers only the illustrative house scope and allowances below. Land, major site work, permits, utility connections, financing, and professional services are excluded.

Twin Gable Family House Hobby-and-Workshop 2128 at a glance

Concept construction target $320,300
Interior size 2128 sq. ft.
Approximate footprint 46 x 47 ft, one story
Bedrooms 3 bedrooms plus flex room
Bathrooms 2.5 bathrooms
Kitchen Open galley kitchen with oversized work island and utility pantry
Garage 2-car attached garage with storage wall
Budget route Cost-conscious regional builder with standard finishes
Target dollars per sq. ft. About $151 for the included concept scope

Exterior and floor-plan concept

The exterior uses muted blue-gray siding with cream trim, two matching dark gable roofs linked by a lower roof, and a central connector porch. The image is a conceptual visualization created for design inspiration, not a photograph of a property offered for sale.

The defining planning idea is garage storage, a ventilatable project bay, a utility sink allowance, and an interior flex room that can change uses later. The kitchen, dining area, and great room share the center of the plan. The primary suite and secondary rooms use separate zones, while laundry, pantry, storage, and flex space remain close to everyday circulation.

Best fit: Households needing practical project space without building a separate outbuilding.

Design decisions for hobby-and-workshop living

Planning priority: garage storage, a ventilatable project bay, a utility sink allowance, and an interior flex room that can change uses later.

Main tradeoff: Workshop scope competes with vehicle parking and requires careful electrical, ventilation, and fire-separation planning. This is why the concept should be tested against furniture, daylight, privacy, structure, and local site constraints before drawings are commissioned.

Compare this idea with the complete Family Homes collection, then use the project photo gallery to save exterior and material references before meeting a local designer or builder.

Example cost breakdown

This educational allocation totals exactly $320,300. Replace every allowance with current, site-specific written bids.

Included concept scope Target allowance
Foundation, structural frame, floors, and roof structure $76,900
Roofing, cladding, stock windows, exterior doors, and weatherproofing $48,000
Plumbing, electrical, water heating, and heating/cooling systems $48,000
Insulation, drywall, paint, flooring, interior doors, and trim $41,600
Kitchen cabinets, counters, sink, and standard appliance allowance $28,800
Bathroom fixtures, surrounds, cabinets, and finish allowance $25,600
Garage or comparable exterior-scope allowance $22,400
Planning reserve inside this concept target $29,000
Total concept target $320,300

What the target assumes

This target assumes cost-conscious regional builder with standard finishes, a straightforward buildable site, standard-grade materials, competitive local bids, and limited change orders. A custom turnkey contract in a high-cost U.S. market can be substantially higher.

  • A code-appropriate structure using practical spans, efficient plumbing runs, and stock-size openings.
  • Standard cabinetry, counters, flooring, lighting, plumbing fixtures, and appliances rather than luxury selections.
  • The garage allowance applies only as described; workshops, bonus rooms, and elaborate driveways are separate.
  • Every allowance is replaced with current local quotes before land purchase, financing, or construction.

Costs not included

  • Land, closing costs, loan interest, lender fees, property taxes, insurance, or real-estate commissions.
  • Survey, clearing, demolition, grading, driveway, drainage, retaining walls, rock work, or contaminated soil.
  • Utility extensions and hookups, septic, well, municipal impact fees, or unusually long service runs.
  • Permits, plan review, inspections, architecture, engineering, energy testing, or construction documents.
  • Detached structures, pools, major decks, fencing, furnishings, window treatments, or finished landscaping.

A simple savings target

Someone choosing to save the full concept amount in cash would need approximately:

  • 10 years: $2670 per month for 120 months
  • 20 years: $1335 per month for 240 months
  • 30 years: $890 per month for 360 months

These are arithmetic examples only. They do not model investment returns, inflation, taxes, mortgage terms, future price changes, or financial suitability.

Before using this model

  1. Confirm zoning, minimum size, setbacks, access, utilities, and design rules locally.
  2. Price land, site work, permits, foundation conditions, utilities, and professional work separately.
  3. Have qualified professionals verify structure, energy, fire safety, egress, electrical, plumbing, and mechanical systems.
  4. Compare at least three current written bids using the same scope and retain an additional real-project contingency.

Why location can change the result

Labor rates, material availability, codes, climate loads, taxes, and site conditions vary widely across the United States. National data provide context but cannot price a specific project.

Reference data: U.S. Census New Residential Sales, U.S. Census Manufactured Housing Survey, and NAHB Cost of Constructing a Home in 2024.

Questions about this 2128-square-foot concept

Is $320,300 the purchase price of this home?

No. It is an educational construction-scope target for comparing priorities. The home, land, plan set, permits, site work, professional services, and financing are not being offered for $320,300.

What makes this a hobby-and-workshop layout?

The concept emphasizes garage storage, a ventilatable project bay, a utility sink allowance, and an interior flex room that can change uses later. A local professional must confirm dimensions, code compliance, structure, and whether that arrangement works on a specific parcel.

What should be priced first?

Start with the land constraints, utilities, foundation conditions, shell, and major mechanical systems. Then compare the cost of the defining feature against its principal tradeoff: workshop scope competes with vehicle parking and requires careful electrical, ventilation, and fire-separation planning.

Editorial disclosure: HomeBuildPlans.com does not sell this home, land, construction services, or ready-to-build plans. This post is a conceptual model for inspiration and early budgeting only. Prices can change and must be verified locally.

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