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Renovation Cost Guide 2025 — Oshawa & Durham Region

Home renovation blueprint and piggy bank

If you’re planning a home renovation in Oshawa or Durham Region in 2025, one of the first questions you’ll ask is:

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👉 “How much will my renovation cost?”

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It’s a fair question. With rising material costs, labour shortages across Ontario, and more families investing in upgrades, it’s important to understand the price ranges you can expect before diving in.

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At Ramsauer Renovation, we’ve helped hundreds of homeowners across Oshawa, Whitby, Courtice, and the wider Durham Region transform their homes. This guide breaks down realistic renovation costs for 2025, so you can budget smart, avoid surprises, and feel confident moving forward.

Kitchen Renovation Costs in Oshawa (2025)

Stunning kitchen renovation with wooden island and white countertops

  • Typical range: $25,000 – $45,000

  • Luxury/custom kitchens: $60,000+

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What drives the cost?

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  • Cabinetry (stock vs. semi-custom vs. full custom)

  • Countertops (laminate vs. quartz, granite, or marble)

  • Appliances (standard vs. high-end brands)

  • Layout changes (moving plumbing or electrical significantly increases cost)

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Local insight: Many older Oshawa homes require electrical upgrades to meet modern code, which can add to your budget.

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✅ Pro Tip: Mix stock cabinetry with custom features like an island or pantry to balance budget and style.

Bathroom Renovation Costs in Oshawa (2025)

White modern bathroom renovation with large vanity and glass enclosure shower

  • Typical range: $15,000 – $25,000

  • Luxury ensuites: $30,000+

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Cost factors:

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  • Tile selection (ceramic vs. stone)

  • Plumbing changes (moving fixtures is more expensive)

  • Features like steam showers, heated floors, or double vanities

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Local insight: In Oshawa and Whitby, many homes built in the 80s–90s have compact bathrooms. Expanding or reconfiguring them can increase costs but dramatically improve resale value.

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✅ Pro Tip: Save money by using premium tile as an accent wall and pairing it with high-quality ceramic elsewhere.

Basement Renovation Costs in Durham Region (2025)

Modern open concept basement with fireplace, wet bar, luxury vinyl plank flooring and custom lighting

  • Typical range: $40,000 – $100,000

  • Legal secondary suites: $80,000 – $150,000+

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What impacts cost?

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  • Adding a bathroom or wet bar

  • Code compliance for rental suites (fire separation, egress windows, permits)

  • Custom features like built-ins, bars, or home theaters

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Local insight: With the strong rental market in Oshawa, many homeowners are finishing basements as income-generating suites, which adds cost but also long-term value.

Factors That Impact Renovation Costs in Oshawa

living room under renovation

No matter the project, costs are influenced by:

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  • Ontario building codes (especially for secondary suites).

  • City permits & inspections (Oshawa has specific requirements).

  • Labour availability in Durham Region (skilled trades are in high demand).

  • Material supply chain (pricing can fluctuate on lumber, tile, and stone).

  • Hidden surprises in older homes (outdated wiring, water damage, asbestos).

Budgeting Tips for Oshawa Homeowners

  • Plan a 10–20% contingency fund.

  • Prioritize must-haves vs. nice-to-haves.

  • Ask for transparent estimates with line-item details (what we provide every Ramsauer client).

Final Word

  • Renovating your home is one of the best investments you can make — both for your lifestyle and for your property value in Oshawa’s growing market.

  • At Ramsauer Renovation, we don’t just provide estimates — we provide clarity, craftsmanship, and peace of mind. And we build it right the first time.

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👉 Ready to see what your renovation could cost in 2025?

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