Answer 3 quick questions and get an instant deck construction estimate for your Durham Region property.
Includes materials, labour, railings, interlocking patio, roof structures, and permit fees where required. All costs in CAD, excl. HST.
Takes less than 90 seconds. No login required.
Enter total deck area in square feet (ft²). For a rectangular deck: length x width. 1 m² = 10.76 ft².
Select the primary deck board and framing material. All options include structural PT framing.
Please select a decking material to continue.
Select what applies. Leave anything at its default if not needed.
Please select a deck elevation before continuing.
This deck configuration requires a building permit under Ontario Building Code Division B 9.8.8.6 (elevation at or above 600 mm above grade, or a covered roof structure is present). Hernez Design permit fees are included in the estimate below.
Based on your inputs, this deck is below the OBC permit threshold. Adding a roof structure in the future would trigger a permit requirement. Always confirm with your local municipality before construction.
Total Estimated Cost
Hernez Design Fees (included in total)
Roof/covered structure included in scope.
Municipal permit fees vary by municipality and declared project value. Final amount confirmed at permit submission.
Enter your project address to include it in the PDF report.
Please enter a project address.
Please enter your email address.
Want a more accurate estimate?
A Hernez Design site visit confirms your deck dimensions, OBC compliance requirements, and produces a permit-ready drawing set.
Need permit drawings?
Our BCIN-certified team prepares permit-ready deck drawing sets for Durham Region municipalities.
Preliminary Estimate - For Reference Only
This estimate is based on your inputs and assumes the site is accessible for standard construction equipment, the existing structure (ledger attachment point, if applicable) meets minimum OBC load requirements, and the property complies with applicable municipal zoning setbacks for accessory structures. Actual costs may vary based on site conditions, soil bearing capacity, frost depth requirements, existing grade, and finish selections. Permit fees shown are estimates only and are confirmed at submission based on declared project value and municipality. Contact Hernez Design Inc. for a detailed site assessment and permit drawing set.
DeckReady v1.10 by Hernez Design Inc. | All estimates in CAD, ex. HST