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Durham Region
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BCIN Certified | Ajax, Ontario | Hernez Design Inc.
This is the gross interior floor area of your basement, not the footprint of the unit you want to build.
Typical Durham Region basement: 600 ft² (56 m²) to 1,500 ft² (139 m²)
The entrance type significantly affects the renovation cost and scope of work.
Please select an entrance type to continue.
Select a preset or choose your own room combination.
Select rooms for your unit
Items marked "req." are included in every unit by code.
Please select a layout to continue.
Preliminary Estimate - For Reference Only
This estimate is based on your inputs and assumes the basement meets all minimum OBC requirements (ceiling height, window egress, fire separation) and that the property has the required parking spaces per municipal zoning bylaws. Actual costs may vary based on site conditions, structural requirements, and finish selections. Contact Hernez Design Inc. for a detailed site assessment.
entrance
layout
Estimated Project Cost
Varies by site conditions and finish selections
Cost Breakdown
What is included
Hernez Design Fees (included in total)
Municipal permit fees are billed separately (est. $1,200 - $2,800, varies by municipality).
Want a more accurate estimate?
Rate 12 existing conditions. Items in place are removed from the cost; items needed are added.
Need to change something?
Go back to adjust your basement area, entrance type, or room layout.
Estimate refined by condition assessment
Costs adjusted based on your basement's existing conditions.
This estimate is a starting point. A Hernez Design site visit gives you an accurate scope, confirms OBC compliance, and sets your project up for a clean permit approval.
Book a Basement Consultation - $299 + HST
Permit Drawings or Full Process Inquiry
bimdesign@hernez.ca | www.hernez.ca | BCIN Registered | Ajax, Ontario
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BasementReady v5.0 by Hernez Design Inc. | All estimates in CAD, ex. HST
For each item below, indicate whether it Already Exists and is OBC-compliant, Needs Work, or you are Not Sure. Your answers refine the estimate automatically.