Walk through the lobby of a recently completed LEED Platinum tower on Georgia Street and you will notice a trend that would have seemed absurd five years ago: the effective rent—the true cost of occupancy—is often lower than that of the aging Class B building two blocks away. The green premium, long a fixture of commercial real estate, has not merely shrunk. In Metro Vancouver, it has inverted.

This shift is driven by a fundamental change in how sophisticated tenants calculate the cost of space. Net rent—the headline figure on a lease—is no longer the whole story. When finance teams at technology firms, professional services companies, and ESG-obligated corporations run a total-cost-of-occupancy model, they fold in energy bills, carbon reporting costs, and the regulatory consequences of leasing space that cannot support their sustainability disclosures. On that full ledger, LEED-certified Class A space is frequently more economical than conventional Class B.

The numbers illustrate why. According to BOMA BC operating cost benchmarks, the annual energy cost differential between a LEED-certified building and a pre-2000 Class B property in Metro Vancouver ranges from $4 to $7 per square foot. For a tenant occupying 10,000 square feet, that is $40,000 to $70,000 annually that never appears in the net rent comparison but lands squarely on the operating cost line. When these savings are amortised against the lease rate, a LEED building asking $38 net per square foot can easily undercut a Class B property asking $32 net.

CBRE's Q1 2026 Metro Vancouver office market data shows that while regional vacancy remains elevated, the divergence between green-certified and conventional stock has widened. Class A LEED buildings in downtown Vancouver and the Broadway corridor are maintaining occupancy rates above the market average, while Colliers leasing data points to accelerating vacancy in Class B conventional buildings, particularly those built before 2000 with limited mechanical upgrades.

The ESG dimension is no longer optional. Public companies, federally regulated financial institutions, and firms with international parent companies must now account for the emissions profile of their leased premises. JLL's sustainability and ESG leasing survey data for Metro Vancouver shows a sharp increase in tenants requiring energy performance documentation—including BC Assessment energy ratings and City of Vancouver Annual Greenhouse Gas Intensity (GHGi) limits—as a condition of lease negotiation. Leasing a building that cannot produce these credentials is becoming a compliance liability.

The Canada Green Building Council's BC chapter tracks the LEED-certified commercial inventory across Metro Vancouver. While this stock has grown, it remains a minority of total leasable space. That scarcity, combined with surging demand from ESG-motivated tenants, allows LEED landlords to maintain occupancy even as they hold face rents steady. Conversely, Class B landlords face a structural bind: vacancy is rising, but the capital required to retrofit aging mechanical systems and improve envelope performance is substantial.

For those landlords, the decision tree is stark. A deep energy retrofit on a 1980s tower—new curtain wall, upgraded HVAC, LED lighting, and building automation—can cost $80 to $150 per square foot. At current financing rates, many of these projects do not pencil out on a pure leasing-recovery basis. The alternative—repositioning to residential, mixed-use, or life sciences—is increasingly the path that capital allocators are choosing, a dynamic this publication has tracked in the context of Metro Vancouver's broader conversion wave.

Tenants are not waiting for policy mandates to force the issue; they are pricing it into lease negotiations now. A Class B landlord who assumed that a $6-per-square-foot discount to Class A rates would keep their building competitive is discovering that the effective discount needs to be $10 or $12 to overcome the operating cost and ESG liability gap. At that level, the economics of ownership become difficult to sustain.

The bottom line: Metro Vancouver's office market has reached an inflection point where green certification has shifted from a premium feature to a structural cost advantage. For tenants weighing renewals or relocations, the total-cost-of-occupancy model—not the face rent—should anchor the analysis. For landlords of conventional Class B stock, the window to act on retrofit or repurpose decisions is narrowing.

Watch for: The BC government's anticipated update to commercial building energy performance requirements later this year, which could accelerate this repricing dynamic by raising the floor on what conventional stock must achieve to remain legally occupiable.