Attic Conversion in Markham

We quote attic conversion across Markham, from tightly scoped single-trade work to projects that need design, permits and a full crew. Send the details and get a free quote.

The rest of this page covers how the project usually runs in Markham and what shapes the quote, so you know what you're looking at before you ask.

In and around Markham, housing runs from wartime and mid-century stock to new subdivisions and towers, so the same renovation can be scoped quite differently depending on the age and type of the home.

One thing we factor into Markham projects: Secondary suites are permitted in Markham subject to zoning and Ontario Building Code requirements.

Markham pairs some of the GTA's best-preserved heritage streetscapes — Unionville's Main Street and Markham Village — with successive rings of suburban growth from the 1970s through the new urbanist streets of Cornell and the towers of Markham Centre. That range means renovation work runs from sensitive updates inside century homes to reworking 1980s and 1990s two-storeys whose layouts no longer match how families live.

Multigenerational households are common here, and projects reflect it: in-law suites, secondary units, and main-floor bedrooms with accessible bathrooms. Condo owners in Markham Centre plan around board approvals and building rules. Whichever kind of home you have, describe the renovation you're weighing and we'll connect you with a free, no-obligation quote.

• Unionville and Markham Village are designated heritage conservation districts where exterior renovations need heritage approval.
• Large tracts of 1980s and 1990s housing are reaching the age for full kitchen, bathroom and basement renovations.
• Secondary suites are permitted in Markham subject to zoning and Ontario Building Code requirements.

What you'll invest in attic conversion in Markham depends on a few real things:

• How much usable floor area clears the Code's height requirements
• Site logistics at your Markham address — parking, permits for bins, and condo or townhouse rules all shape how the crew works and how long stages take.
• Where the new stair lands and what it displaces on the storey below
• Egress window placement and any structural framing it requires
• Extending heating, cooling and electrical service up an extra storey
• Adding a bathroom, which brings plumbing runs and ventilation into scope

For the full breakdown of what attic conversion involves, see our Attic Conversion guide — then request a free Markham quote for your actual job.