How a Permit Drawing Redesign Helped a Toronto Client Avoid Up to $15,000 in Construction Costs

A Toronto client came to Acadia Drafting after receiving permit-approved drawings prepared by another company. The drawings could move forward for permit purposes, but the proposed structure was larger than the client needed and would have increased the cost of materials, labour, and construction. Acadia reviewed the approved plan set, redesigned the structure at a more practical size, and helped the client avoid an estimated $10,000-$15,000 in construction costs.

Important note: this case study is anonymized to protect the client. The savings range is a project-specific estimate based on Acadia Drafting’s review of the original approved design, the revised design, and the expected construction impact. It is not a guaranteed saving for every project.

The Client’s Situation

The client already had drawings prepared by another company, and the permit had been approved. On paper, the project could proceed. Before moving into construction, the client wanted another professional review because the proposed build appeared more involved and expensive than expected.

That second review mattered. Once construction starts, an oversized or inefficient design can become expensive quickly. Extra framing, larger structural components, additional labour, and more complicated installation details can all raise the final cost.

What Was Wrong With the Approved Drawings?

The issue was not simply whether the drawings could pass permit review. The issue was whether the approved design was the most practical way to build what the client actually needed.

Acadia identified that the proposed structure was oversized for the client’s goal. That created a likely construction cost problem because a larger-than-needed design can require:

• More building materials than necessary
• Additional labour and installation time
• More complicated framing or support details
• Potentially larger connections, posts, beams, or footings depending on the project
• Higher contractor pricing because the scope appears larger and less efficient

Acadia’s Review

Acadia reviewed the approved drawings through a practical construction lens, not only a permit-compliance lens. The review focused on whether the design matched the client’s intended use, whether the structure was larger than required, and whether a more efficient layout could still satisfy the project goal.

This type of review is valuable because municipal permit review is mainly about compliance with the Ontario Building Code, zoning, and applicable law. It does not automatically mean the design is the least expensive, simplest, or most construction-efficient option for the owner.

The Revised Solution

Acadia redesigned the structure so it better matched the client’s actual needs. The revised drawings reduced unnecessary scope while keeping the project aligned with permit and construction requirements.

The goal was not to cut corners. The goal was to remove unnecessary construction from the design before the client paid for it on site.

The Result

The client paid approximately $3,000-$3,500 for Acadia’s redesign work. Based on the difference between the original approved design and the more practical revised design, the client avoided an estimated $10,000-$15,000 in construction costs.

For this client, the redesign cost was a fraction of the potential construction savings. More importantly, the review happened before the work was built, when drawings can still be corrected without tearing out finished construction.

Why Permit Approval Alone Is Not Enough

A building permit confirms that the proposed work has been reviewed by the municipality for code and applicable-law compliance. It does not mean the approved design is the most economical, easiest, or most practical way to build the project.

That distinction matters for homeowners, property owners, and contractors. A design can be permit-ready and still include avoidable construction cost. A second review before construction can help identify issues while they are still inexpensive to fix.

When Should You Ask for a Second Review?

A second opinion on approved permit drawings is worth considering when:

• Your permit is approved, but contractor quotes are much higher than expected.
• The design looks larger or more complex than what you asked for.
• Your contractor says the drawings are buildable but unnecessarily expensive.
• You inherited drawings from a previous owner, designer, or contractor.
• The project changed after the first drawings were prepared.
• You want to check the design before ordering materials or starting construction.
• You are worried that the approved design may create avoidable structural or construction complexity.

What Acadia Can Review

For projects like this, Acadia Drafting can review the approved drawings, permit comments, site information, photos, contractor feedback, and the owner’s goals. The review can help identify whether the design should stay as-is or whether a revised drawing package may reduce unnecessary scope before construction begins.

If drawings have already been approved, any material design change should be checked before construction. Depending on the project and municipality, revised drawings or a permit revision may be required before building something different from the approved permit set.

FAQs

Sources

• Acadia Drafting YouTube Short for this case study
• City of Toronto – Building Permits
• City of Toronto – Before You Apply for a Building Permit
• Ontario – Building permits guide
• Ontario Building Code Act, 1992

Case study published: August 4, 2026. Savings are estimates and vary by project scope, site conditions, contractor pricing, material choices, and municipality requirements.