What it typically costs
Whole-home renovations vary widely with scope, but typically run $100,000–$250,000+, often combining kitchen, bathroom, and structural work across multiple rooms on a phased timeline.
Local note: the City of Markham requires permits for structural changes, plumbing and electrical relocation, and multiple inspections across the project timeline — factor inspection timelines into your schedule.
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What Markham homes are actually like
Markham ranges from mature homes in Unionville and Milliken Mills to newer builds in Cornell. A lot of the renovation demand here is basement finishing, since many Markham subdivisions were originally built with unfinished lower levels.
Should I renovate in phases or all at once?
If you're living in the home during the work, phasing it (kitchen first, then bathrooms, for example) is usually more livable, though it can end up costing slightly more than one coordinated renovation.