Find Your Budget, Find Your Project
The most common question we hear is "how much will it cost?" The answer depends entirely on which project you choose. Here is every conversion type ranked from cheapest to most expensive, with links to the full guide for each one.
Under $1,000
Spare room to meditation/wellness room: $250 to $500. Paint, cushion, blackout curtains, plants. Zero construction. Full guide →
$1,000 to $5,000
Closet to podcast studio: $200 to $500. Acoustic foam, microphone, boom arm, small table. Full guide →
Spare bedroom to home office: $1,000 to $8,000. Desk, chair, lighting, cable management, paint. Full guide →
Spare bedroom to walk-in closet: $2,000 to $8,000. Shelving systems, lighting, mirror. Full guide →
Shed to art studio: $1,500 to $5,000. Insulation, lighting, work table, electrical. Full guide →
Shed to greenhouse: $1,500 to $8,000. Polycarbonate panels, ventilation, growing beds, irrigation. Full guide →
Shed to backyard sauna: $3,000 to $12,000. Insulation, cedar paneling, electric heater, benches. Full guide →
Garage corner to dog wash station: $2,000 to $8,000. Elevated tub, plumbing, splash guard. Full guide →
$5,000 to $15,000
Basement to home gym: $5,000 to $15,000. Rubber flooring, equipment, lighting, dehumidifier. Full guide →
Deck to screened porch: $5,000 to $18,000. Roof structure, screen framing, ceiling fan. Full guide →
Pool to garden: $5,000 to $15,000. Fill material, topsoil, drainage, raised beds. Full guide →
Patio to outdoor kitchen: $5,000 to $30,000. Grill, counter, sink, refrigeration. Full guide →
Basement to craft room: $5,000 to $20,000. Work table, storage, sink, lighting, ventilation. Full guide →
Basement to wine cellar: $10,000 to $50,000. Cooling unit, insulation, racking, tasting room. Full guide →
Garage to flex room: $10,000 to $30,000. Murphy bed, lighting zones, modular furniture, HVAC. Full guide →
Horse trailer to mobile bar: $10,000 to $30,000. Serving window, bar build-out, refrigeration, permits. Full guide →
$15,000 to $50,000
Garage to home theater: $15,000 to $45,000. Projector, screen, surround sound, tiered seating, dark walls. Full guide →
Basement to home bar: $15,000 to $50,000. Custom bar, plumbing, draft system, entertainment area. Full guide →
Garage to rental studio: $20,000 to $50,000. Kitchen, bathroom, separate entrance, full permits. Full guide →
Attic to bedroom: $20,000 to $50,000. Egress window, insulation, HVAC, possibly dormer. Full guide →
Garage to recording studio: $12,000 to $31,000. Room-within-a-room, acoustic treatment, silent HVAC. Full guide →
Garage to gym with sauna: $12,000 to $35,000. Rubber flooring, equipment, cedar sauna room. Full guide →
Shipping container to home office: $15,000 to $40,000. Spray foam, electrical, HVAC, interior finishing. Full guide →
Van to camper: $4,000 to $30,000. Insulation, electrical, bed, kitchen, ventilation. Full guide →
Boat to floating home: $25,000 to $80,000. Electrical upgrade, climate control, interior refit. Full guide →
School bus to tiny home: $15,000 to $50,000. Rust treatment, insulation, electrical, kitchen, bathroom. Full guide →
Shipping container to guest house: $30,000 to $80,000. Foundation, utilities, full interior build-out. Full guide →
Golf simulator room: $8,000 to $30,000. Launch monitor, screen, projector, hitting mat. Full guide →
$50,000 and Up
Basement to rental apartment (ADU): $40,000 to $120,000. Full apartment with kitchen, bathroom, separate entrance. Full guide →
Storefront to commercial kitchen: $75,000 to $250,000. Hood system, grease trap, commercial equipment. Full guide →
Barn to wedding venue: $100,000 to $400,000. Restrooms, fire safety, HVAC, parking, permits. Full guide →
Office to apartments: $100 to $200 per sqft. Plumbing, electrical metering, HVAC conversion, fire safety. Full guide →
Warehouse to event venue: $80,000 to $300,000. Restrooms, sprinklers, electrical, HVAC, flooring. Full guide →
Laundromat to co-working space: $50,000 to $150,000. Equipment removal, interior build-out, WiFi, furniture. Full guide →
Get Your Specific Estimate
Every project is different. Your costs depend on your location, the condition of the existing space, your material choices, and whether you DIY or hire contractors. Use our cost calculator to get a personalized estimate for any project.