Sunroom Addition Cost Vancouver: 3-Season & 4-Season 2025
Sunroom Additions in Metro Vancouver
Sunroom additions are popular in Vancouver for enjoying the outdoors year-round despite our rainy season. Costs range from $25,000 for a basic 3-season enclosure to $120,000+ for a fully conditioned 4-season room.
Types of Sunrooms
3-Season Sunroom
Enclosed with glass and screens, not conditioned. Works during spring, summer, and fall. Lower cost but limited winter use.
- Cost: $25,000–$55,000 (200 sq ft typical)
4-Season Sunroom (Conditioned Addition)
Fully insulated with heating and cooling. Functions as a year-round family room or dining room.
- Cost: $60,000–$120,000+ (200 sq ft)
Conservatory (All-Glass Roof)
Traditional all-glass structure. Premium aesthetics, higher maintenance, and significant heat gain/loss to manage.
- Cost: $80,000–$180,000+
Cost per Square Foot
| Type | Cost/sq ft |
|---|---|
| 3-season patio enclosure | $150–$300/sq ft |
| 4-season conditioned addition | $350–$550/sq ft |
| Conservatory | $450–$800/sq ft |
Permit Requirements
Any permanent addition in Metro Vancouver requires a building permit. 3-season rooms attached to the house are considered additions. 4-season rooms must meet current BC Building Code energy requirements (Step Code 3).
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→ See also: Vancouver Renovation Cost Guide 2026
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