Secondary Suite Costs Across Canada
National Average
$60,416 – $113,089
Based on 113 data points across 4 provinces
Detailed Cost Breakdown
Specific costs by job type, extracted from industry sources across Canada.
Total Project Costs
| Job Type | Low | High | Sources |
|---|---|---|---|
| Laneway House Construction | $183,333 | $366,667 | 3 |
| Garden Suite Construction | $126,667 | $243,333 | 3 |
| Secondary Suite Construction | $80,000 | $200,000 | 2 |
| Basement Apartment | $80,000 | $150,000 | 2 |
| Basement Secondary Suite | $72,000 | $146,000 | 5 |
| Basement Apartment Conversion | $51,667 | $121,667 | 3(2 prov) |
| Legal Basement Apartment Conversion | $50,000 | $105,000 | 2 |
| Basement Secondary Suite Conversion | $46,000 | $94,000 | 5(4 prov) |
| Basement Secondary Suite Full | $57,500 | $90,000 | 2 |
| Basement Suite Conversion | $42,500 | $88,333 | 6(3 prov) |
| Basement Inlaw Suite | $50,000 | $80,000 | 2 |
| Separate Entrance | $5,500 | $11,500 | 2(2 prov) |
| Fire Separation Assembly | $5,333 | $11,000 | 3(2 prov) |
| Architectural Drawings | $2,000 | $5,000 | 2(2 prov) |
Per-Unit Costs
| Job Type | Low | High | Sources |
|---|---|---|---|
| Egress Window Install | $2500/unit | $5500/unit | 4(3 prov) |
By Province
Ontario$61,040 – $124,040
British Columbia$60,208 – $111,042
New Brunswick$64,864 – $104,864
Alberta$53,118 – $94,412
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