Vancouver Guide des coûts de rénovation du sous-sol (2026)

Converting a Vancouver basement into a legal secondary suite is one of the most popular renovation projects in Metro Vancouver — adding $2,000–$3,500/month in rental income while significantly increasing property value.

Vancouver Basement Suite Renovation Cost Summary (2026)

Renovation Type	Estimated Cost	Timeline
Basic finishing (rec room)	$30,000–$55,000	6–10 weeks
Legal secondary suite	$45,000–$90,000	8–14 weeks
High-end finished basement	$70,000–$120,000+	10–16 weeks

BC Building Code Requirements for Legal Suites

To rent a basement suite legally in BC:

• Minimum ceiling height: 1.95m (6'5")
• Separate entrance independent from the main unit
• 1-hour fire separation between units
• Smoke and CO detectors in each bedroom and on each floor
• Natural light: window area at least 8% of bedroom floor area
• Independent kitchen and bathroom
• Building permit required ($2,000–$5,000 depending on municipality)

Cost Breakdown

• Permits and drawings: $3,000–$7,000
• Framing and partitions: $6,000–$15,000
• Plumbing, electrical and HVAC: $12,000–$25,000
• Insulation and vapour barrier: $4,000–$8,000
• Drywall and finishing: $8,000–$18,000
• Kitchen and bathroom: $15,000–$35,000
• Separate entrance (if required): $3,000–$8,000

For flooring options in the suite, see our best flooring options for Vancouver homes guide.

For permit requirements and timelines, see our renovation permits BC guide.

For [bathroom renovation costs](/en/guides/bathroom-renovation-cost-vancouver/) within the suite, see our average bathroom renovation cost Vancouver guide.

Contact our team for a free basement assessment — we serve Metro Vancouver, Burnaby, Richmond, Coquitlam, and Surrey.