Home Expansion Packages
Additions With & Without Basement (Winnipeg & Surrounding Areas). Designed for homeowners expanding their living space and developers planning value-driven additions.
HOME EXPANSION / WITHOUT BASEMENT
Winnipeg Price Range: $175 – $250 / sq ft
Best for: Main-floor additions, rear or side extensions, budget-conscious expansions
What homeowners get:
• Increased living space without full excavation costs
• Faster construction timelines
• Seamless integration with existing home
What developers value:
• Lower foundation costs
• Predictable schedules
• Strong ROI on square footage added
Includes:
• Engineered slab-on-grade or crawlspace foundation (Winnipeg frost-depth compliant)
• Structural tie-in to existing home
• Framing, roof extension, and exterior finishes to match existing
• Code-compliant insulation, air barrier, and vapor control
• New windows and exterior doors
• Drywall, trim, and interior finishes
• Electrical, HVAC, and plumbing tie-ins
Winnipeg Example Costs:
• 300 sq ft addition: $52,500 – $75,000
• 400 sq ft addition: $70,000 – $100,000
• 600 sq ft addition: $105,000 – $150,000HOME EXPANSION — WITH BASEMENT
Winnipeg Example Costs:
• 300 sq ft addition + basement (600 sq ft total): $150,000 – $210,000
• 400 sq ft addition + basement (800 sq ft total): $200,000 – $280,000
• 600 sq ft addition + basement (1,200 sq ft total): $300,000 – $420,000
Best for: Long-term homeowners, maximizing usable space, future rental or suite potential
What homeowners get:
• Double the usable square footage
• Added storage or future living space
• Increased resale and long-term value
What developers value:
• Higher appraisal values
• Flexible future-use space
• Strong return on excavation investment
Includes:
• Full-depth basement excavation and concrete foundation
• Foundation waterproofing and drainage system
• Structural tie-in to existing home
• Framing, roof extension, and exterior finishes to match existing
• Insulated basement walls and subfloor
• Rough-ins for future bathroom or suite (optional)
• Main floor and basement electrical, HVAC, and plumbing tie-ins
• Drywall and standard interior finishes
Example Cost:
• 400 sq ft addition + basement (800 sq ft total): $240,000 – $304,000
• 600 sq ft addition + basement (1,200 sq ft total): $360,000 – $456,000
Winnipeg Price Range: $250 – $350 / sq ft (combined space)
Best for: Long-term homeowners, maximizing usable space, future rental or suite potential
What homeowners get:
• Double the usable square footage
• Added storage or future living space
• Increased resale and long-term value
What developers value:
• Higher appraisal values
• Flexible future-use space
• Strong return on excavation investment
Includes:
• Full-depth basement excavation and concrete foundation (Winnipeg soil conditions)
• Foundation waterproofing, weeping tile, and sump system
• Structural tie-in to existing home
• Framing, roof extension, and exterior finishes to match existing
• Insulated basement walls and subfloor
• Rough-ins for future bathroom or suite (optional)
• Main floor and basement electrical, HVAC, and plumbing tie-ins
• Drywall and standard interior finishes
3-Season Addition
3-Season Addition Package (Winnipeg) Ideal for: Sunrooms, enclosed decks, seasonal living space Use: Spring to fall (not intended for winter heating) Typical Size: 120–250 sq. ft.
STANDARD 3-SEASON ADDITION
Estimated Price Range: $25,000 – $45,000
What’s Included Pressure-treated foundation (posts, pads, or grade beam) Framing tied into existing home Insulated floor system (optional) Vinyl or aluminum windows (non-thermal) Screened or window wall options Sloped or shed-style roof tied into house Electrical rough-in (basic lighting & outlets) Vinyl, laminate, or exterior-grade flooring Interior wall finish (plywood, T&G, or vinyl panels) Exterior siding to match home
Permits & basic project management Itemized Cost Breakdown (Typical)
Site Work & Structure Footings / posts / pads: $3,500 – $7,000
Framing (floor, walls, roof): $6,000 – $10,000
Roof tie-in & shingles: $4,000 – $7,000
Windows & Enclosure 3-season windows / screens: $4,000 – $8,000
Exterior door (patio or swing): $1,200 – $2,500
Interior Finishes Flooring (vinyl / laminate): $1,200 – $2,500
Interior wall finish: $1,500 – $3,000
Painting or sealing: $500 – $1,200
Electrical Lighting, outlets, switches: $1,200 – $2,500
Exterior Finishes Siding & trim: $2,500 – $5,000
Optional Upgrades:
Insulated floor system: $1,500 – $3,000
Skylights: $1,200 – $2,500 each
Vaulted ceiling: $2,000 – $4,000
Ceiling fan or heater rough-in: $500 – $1,200
Composite decking floor: $2,500 – $5,000