Permit-Ready Construction Drawings for House Renovation Projects in Ontario
As of 2025, new regulations in Ontario have significantly increased the importance of submitting permit-ready construction drawings for any house renovation project. Whether you’re planning a kitchen extension, basement remodel, or a full-home renovation, you must now provide more detailed and code-compliant documentation to secure a building permit. This change aims to enhance safety, improve project transparency, and reduce delays caused by incomplete or inaccurate submissions.

If you’re a homeowner or contractor in Ontario, it’s crucial to understand what these changes mean and how to meet the new standards without added stress. That’s where NGL Group steps in—offering expert guidance and high-quality construction drawings that help streamline the approval process and ensure your project gets off to the right start.
What Are Permit-Ready Construction Drawings?
Permit-ready construction drawings are detailed architectural and structural plans that illustrate exactly how a renovation will be carried out. These drawings include essential information like:
- Site plans and property boundaries
- Floor plans, elevations, and sections
- Structural details and load calculations
- Electrical, plumbing, and HVAC layouts
- Building code compliance notes
These documents must be prepared with precision and conform to local building codes and zoning bylaws. In Ontario, municipal building departments now require a more comprehensive set of documents before they will issue a permit. Any omissions or errors can result in delays, additional costs, or even project cancellation.
Why the 2025 Regulation Changes Matter
In 2025, the Ontario Building Code introduced updates requiring greater detail and accuracy in construction drawings submitted for permits. The changes were made in response to increasing concerns about unpermitted work, structural failures, and energy inefficiency. These updates mean municipalities are scrutinizing plans more thoroughly before granting approval.
For homeowners, this change adds a new layer of responsibility. It’s no longer enough to submit a basic sketch or rely on a contractor to “figure it out later.” The city wants to see professional drawings that demonstrate how the renovation will be safe, sustainable, and up to code from day one.

How NGL Group Can Help
Navigating this updated regulatory environment can be overwhelming—but NGL Group makes the process smooth and stress-free. We specialize in creating permit-ready construction drawings that meet all current Ontario Building Code and municipal zoning requirements.
Here’s how we support your renovation project:
- Expert Knowledge of 2025 Regulations: We stay up to date with all provincial and local code changes to ensure your drawings are 100% compliant.
- Clear, Accurate Drawings: Our team of designers and drafters produce professional plans that are easy for building officials to review and approve.
- Municipal Coordination: We liaise directly with your local building department to address any questions or revisions needed during the permit review process.
- Tailored Design Support: Whether you’re planning a small interior remodel or a large addition, we tailor our drawings to your project’s specific scope and goals.
- Fast Turnaround Times: We know time is money. Our efficient workflow gets your permit-ready documents prepared quickly without compromising quality.
Plan Smart, Build With Confidence
The days of informal, handwritten sketches are behind us. Today, obtaining a building permit in Ontario means submitting high-quality, detailed construction drawings that prove your renovation is safe and code-compliant. With the new 2025 requirements in effect, failing to meet these standards can mean costly delays or rejections.
By partnering with NGL Group, you gain a reliable team that understands the regulations and can deliver the documents you need to get your project approved and underway. Let us take the complexity out of the permitting process so you can focus on what matters—bringing your renovation vision to life.
Contact NGL Group today to learn how we can help make your renovation project a success from the ground up.

Larissa Kramer

Alex Muir

Peter Shaw

