House Extensions

More Space, Without the Move

Sometimes, your home just needs room to grow. Rather than uprooting your life, a well-planned house extension lets you expand your existing space to better suit your family's evolving needs — all while increasing the value of your property.


From rear extensions to second-storey additions, Yardcore Landscaping Design Inc. is here to support the process and ensure everything around and beneath your new addition is built to last. Count on us across Markham and the GTA.

Expand your home. Elevate your lifestyle.

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What Is a House Extension?

A house extension increases the footprint or structure of your existing home — whether outward or upward. Unlike a garden suite or ARU, an extension remains fully connected to and part of the main dwelling, creating seamlessly integrated additional living space.

Common Types of Home Additions

  • Rear Extension

    Expanding outward from the back of your home, typically to enlarge a kitchen, dining, or living area.

  • Side Extension

    Adding square footage along the side of your home, ideal for maximizing a wider lot.

  • Second-Storey Addition

    Building upward to add bedrooms, bathrooms, or a master suite without reducing your yard space.

  • Bump-Out

    A smaller-scale extension that adds just enough room to make a meaningful difference in a specific area of the home.

Why Homeowners Choose Extensions

✓ Gain the space you need without the cost and stress of moving

✓ Create a larger kitchen or open-concept living area

✓ Add extra bedrooms or a master suite

✓ Build a dedicated home office or family room

✓ Increase your property's long-term value

Permits & Process: What to Expect

All home additions require proper permitting and must comply with Ontario Building Code and local zoning regulations. Here's a general overview of the process:

  • Design & Planning

    Working with a designer to develop a compliant and functional plan

  • Permit Approval

    Submitting and obtaining the necessary building permits

  • Construction

    Carrying out the build with qualified contractors

  • Final Inspections

    Ensuring the completed addition meets all required standards

What Does a Home Addition Cost?

In the GTA, house extensions typically range from $350 to $500+ per square foot, depending on the scope of work, materials, and finishes selected.


These figures are provided for general informational purposes only. Final costs will depend on your specific project requirements.

What Yardcore Can Do for You

  • Site Assessment & Planning

    Evaluating your property for the best extension approach.

  • Designer & Permitting Coordination

    Connecting you with the right design and permitting professionals.

  • Site Preparation & Grading

    Getting your ground ready for a solid, stable build.

  • Outdoor Integration & Landscaping

    Restoring and enhancing your yard post-construction.

  • Fencing & Privacy Solutions

    Redefining your outdoor boundaries after the addition.

Your home has more to offer than you think.