Resources / Cost benchmarks / Big Box Store Construction
GTA construction cost · 2026

Big box store construction cost per sq ft in Toronto

Big box retail stores in the Greater Toronto Area, hard cost only.

2026 GTA range$155–$240per sq ft, hard cost

Short answer (November 2026): Big box store construction in the GTA costs $155–$240 per sq ft in hard costs, before soft costs, contingency and HST (Altus Group 2026 Canadian Cost Guide). For example, a big box store of 100,000 sq ft comes to $15.5M – $24.0M in hard cost.

Worked example

A big box store of 100,000 sq ft

Hard cost (100,000 × $155–$240)$15.5M – $24.0M
Soft costs at 20%$3.1M – $4.8M
Contingency at 10%$1.9M – $2.9M
Indicative total$20.5M – $31.7M

Included: the building above grade, including foundations.
Not included: GST/HST, site development, parking, land and financing. Soft costs and contingency above are illustrative assumptions; change them in the calculator.

Source: Altus Group, 2026 Canadian Cost Guide (GTA hard costs, CAD per sq ft), used with permission. Ranges are indicative; your site, scope and procurement route will move the number. See all 17 building types →

Your budget check
$20.5M – $31.7M
Get a detailed estimate review