Residential Renovations and Additions of Any Size

PROUDLY BUILT BY GATEWAY

Residential Renovations & Additions

Transform Your Home with Gateway

When your home needs more space or a fresh look, Gateway helps you transform it with smart design, durable construction, and a seamless process.

Whether it’s a kitchen remodel, a rear addition, a multi-generational or rental suite, or a complete redesign, clear communication, and dependable construction, so you can feel confident from start to finish. And for homeowners looking to take their property even further, we also explore creative ways to unlock new possibilities.

Ready to start your project? Let’s explore how we can transform your space and build opportunities together

  • Permits + code compliance

  • Design-build 

  • Hamilton experience + timelines

Get Free Basement Assessment

Why Renovate or Add with Gateway?

Your Gateway team delivers more than a fresh space — we deliver a home that enhances how you live today and adds value for years to come.

Legal Basement Apartments & Second Suites in Hamilton

If you’re looking to turn your Hamilton basement or existing space into a self-contained, legal suite, Gateway can help you design and build it the right way. From zoning and permits to fire separation and soundproofing, we create second suites that work for multi-generational families today and future tenants tomorrow.

  • Legal, code-compliant layouts for basement and second suites

  • Smart designs that balance privacy, comfort and safety

  • Ideal for mortgage helpers, in-law suites or adult children

  • Upfront guidance on costs, rents and estimated payback period ← new

  • Full support with permits, inspections and approvals

 

* We’ll review your property and get back to you within 1 business day

Thinking Bigger? Multi-Unit Conversions

Beyond traditional renovations, Gateway also specializes in multi-unit conversions — transforming single-family homes into duplexes, triplexes, or fourplexes.

Conversions offer:

Whether you’re a homeowner or an investor, a multi-unit conversion can help you make the most of your property and unlock new opportunities.

See What’s Possible

We’ve helped homeowners across Hamilton and Southern Ontario reimagine their spaces, from small updates to major transformations. Explore our gallery and client stories to see how thoughtful renovations, additions, and conversions can bring your vision to life.

THE GATEWAY EXPERIENCE
Renovation & Addition Gallery
Renovation & Addition Gallery

Customer Story

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Gateway to Life.

We’d love to help you

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