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Basement & Secondary Suites2 min readMar 2, 2026

Duplex Renovation Vancouver: Costs, Permits & Strata Rules (2026)

The 1950s–1980s Duplex Renovation Vancouver: Costs, Permits & Strata Rules (2026) is a common and beloved housing type in Metro Vancouver — found primarily in East Vancouver, Hastings-Sunrise, Renfrew-Collingwood, Burnaby, and New Westminster. These homes are characterised by side-by-side or upper-lower duplex configurations — either strata-titled (each unit separately owned) or freehold (single owner, two tenants). This guide covers the specific renovation considerations, costs, and design approaches for this housing type.

Renovation Challenges Specific to This Housing Type

The key distinction in duplex renovation is ownership structure. Strata-titled duplexes have two separate owners — major renovations that affect common property (exterior, roof, shared systems) require both owners’ approval through the strata process. Freehold duplexes (single-owner) are simpler — they permit the same decisions as a single-family home. Party wall modifications and shared system upgrades require particular care.

Common Renovation Scopes

The most frequently requested renovation scopes for this housing type: unit kitchen and bathroom renovations, electrical panel upgrades (often one panel per unit), secondary suite addition to a freehold duplex (adding a third suite), exterior envelope upgrades (siding, windows, roof — if freehold or by mutual agreement). VGC has experience with all of these applications in East Vancouver, Hastings-Sunrise, Renfrew-Collingwood, Burnaby, and New Westminster.

Permits and Regulations

Permit requirements: City of Vancouver, Burnaby, or applicable municipal permits. Party wall work requires engineer sign-off in most municipalities.. VGC manages the complete permit process — drawings, applications, engineer co-ordination, and inspections — for all projects in this housing type.

Cost Considerations

Budget $75,000–$150,000 per unit for a full kitchen and bathroom renovation plus flooring. Adding a third suite (basement) to a freehold duplex typically adds $85,000–$120,000.

Use our Vancouver Renovation Cost Calculator for an instant estimate, or see our Renovation Costs Guide for detailed price ranges by project type.

Get a Free Renovation Quote

VGC has completed renovation projects across all of Metro Vancouver’s housing types. Contact us for a free consultation — we’ll assess your specific home and provide a fixed-price quote.

Related: Home Renovation Vancouver | Renovation Costs Vancouver

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→ See also: Vancouver Renovation Permits Guide

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VGC Editorial Team
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Vancouver General Contractors has completed 500+ home renovations across Metro Vancouver since 2010. Our articles are written and reviewed by licensed contractors, project managers, and renovation specialists with hands-on field experience.

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