Roof Replacement Cost Calculator Canada
The Canada-average example on this page is a 1,800 sq. ft. roof: typical about $13,500, planning range $9,500–$16,700 before tax. Estimate roof replacement costs in Canada using roof area, material, pitch, complexity, storeys and tear-off scope.
Project Details
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Roof replacement cost in Canada: area is only the starting point
Roof area gives the calculator a base quantity, but pitch, storeys, valleys, dormers, access, tear-off and material choice change labour and waste. Site-specific deck repairs, flashing and ventilation are not fully knowable until the roof is inspected.
Make every roofing quote use the same scope
Compare shingle or roofing system, underlayment, ice-and-water protection, flashing, vents, tear-off layers, disposal and deck-repair allowances line by line. See the roof replacement cost guide for a quote-comparison checklist.
Use the city factor as context, not a promise
The location selector applies Home Cost Canada’s disclosed regional planning factor. It does not claim every roofer in a city charges the same amount; access, season, contractor workload and the actual roof assembly still control the final quote.
Use the range to price one written scope.
Ask contractors to price the same materials, quantities, preparation, permits, disposal and exclusions. A cheaper total with smaller allowances is not necessarily a cheaper project.
Read the detailed planning guide →Turn the roof estimate into a comparable scope
Roof area is only the first variable. Material, pitch, storeys, tear-off layers, valleys, penetrations, flashing, sheathing repairs, disposal and access can all change the installed price. Use the calculator to set the starting range, then ask each roofer to state which of those items are included and how unforeseen decking repairs will be priced.
For an apples-to-apples comparison, keep the same roof area and material choice across quotes. If one proposal includes upgraded underlayment, ventilation or flashing and another does not, compare those scope differences before comparing the totals.
Related planning: roof replacement cost guide · contractor quote comparison guide.