Most people who fail the house BCIN exam do not fail because they lack knowledge. They fail because they run out of time. The exam is open book, so the real skill being tested is how quickly and accurately you can find the right sentence in Part 9 of the Ontario Building Code and read it correctly.

This guide covers what the House category includes, how Part 9 is organized, which Supplementary Standards you will need, a step-by-step method for finding answers fast, and the traps that catch even experienced builders.

The House BCIN Exam in 2026: The Basics

Ontario’s Ministry of Municipal Affairs and Housing moved all Building Code exams to the 2024 Ontario Building Code (O. Reg. 163/24) beginning March 30, 2026. The 2024 Code itself has been in effect since January 1, 2025. If you are writing the house exam now, you need a 2024 Code and the 2024 House syllabus from ontario.ca.

The format, as reported by the Ontario Building Officials Association when the transition was announced:

• 70 questions in 3 hours
• Open book
• 70% to pass
• Written online or at an approved testing centre

Do the math: that is roughly 2.5 minutes per question. If you spend ten minutes hunting for one answer, you are borrowing time from three other questions.

What the House Category Covers

Municipal designer forms that reference Table 3.5.2.1 of Division C describe the House category as a detached house, semi-detached house, townhouse or row house containing not more than two dwelling units in each house. That second unit matters: secondary suites are firmly in scope, and the 2024 Code made notable changes to secondary suite provisions in Part 9.

Anything bigger or different, such as small apartment buildings, offices or retail, falls under Small Buildings or Large Buildings.

What the 2024 House Syllabus Includes

The House syllabus draws from several parts of the Code, but Part 9 of Division B is where you will spend most of your time.

Part 9 Sections on the Syllabus

The syllabus lists most of Part 9, some with exceptions. Key sections include:

• 9.3 Materials, Systems and Equipment
• 9.4 Structural Requirements
• 9.5 Design of Areas, Spaces and Doorways (with exceptions)
• 9.6 Glass and 9.7 Windows, Doors and Skylights
• 9.8 Stairs, Ramps, Handrails and Guards (with exceptions)
• 9.9 Means of Egress (with exceptions)
• 9.10 Fire Protection (with exceptions)
• 9.11 Sound Transmission
• 9.12 to 9.18: excavation, dampproofing and soil gas, drainage, footings and foundations, floors-on-ground, columns, crawl spaces
• 9.19 to 9.30: roof spaces, masonry, chimneys, fireplaces, wood-frame construction, steel studs, heat transfer and air leakage, roofing, cladding, stucco, finishes and flooring
• 9.31 Plumbing Facilities, 9.34 Electrical Facilities, 9.35 Garages and Carports
• 9.37 Cottages, 9.38 Log Construction, 9.39 Park Model Trailers, 9.40 Reinforced Concrete Slabs, 9.41 Additional Requirements for Change of Use

Notice what is mostly missing: Section 9.32 (Ventilation) is not listed, and 9.33 (Heating and Air-Conditioning) is limited to one sentence on exhaust ducts and outlets. Those topics belong to the separate HVAC House exam. Do not burn study hours there for this exam.

Beyond Part 9

The syllabus also includes Division A (compliance, objectives, functional statements), Division B Part 1 (including definitions), selected articles from Parts 3, 4, 5, 6 and 7, Part 11 (Renovation), Part 12 (Resource Conservation, including energy efficiency for Part 9 residential buildings) and Division C provisions on permits, inspections and alternative solutions.

Supplementary Standards

The House syllabus lists SA-1, SB-1 (climatic and seismic data), SB-2 (fire performance ratings), SB-3 (fire and sound resistance tables), SB-7 (guards), SB-9 (soil gas control) and SB-12 (energy efficiency for housing). Each of these deserves its own tab.

How Part 9 Is Organized (and Why That Helps You)

Part 9 follows a logical order that roughly matches how a house is designed and built. Once you see the pattern, you can predict where an answer lives before you open the book.

• Sections 9.1 to 9.4: application, definitions and general structural rules. Start here when the question is about whether Part 9 applies at all.
• Sections 9.5 to 9.11: how people use the building: room sizes, glazing, stairs and guards, egress, fire protection and sound.
• Sections 9.12 to 9.18: from the ground up: excavation, moisture, drainage, foundations, slabs, columns and crawl spaces.
• Sections 9.19 to 9.30: the structure and envelope: framing, masonry, chimneys, insulation and air barriers, roofing, cladding and finishes.
• Sections 9.31 to 9.35: services and garages.
• Sections 9.37 to 9.41: Ontario-specific special cases.

Within each section, the numbering always runs Section, Subsection, Article, Sentence, Clause. For example, 9.8 is a section, 9.8.4 is a subsection, and 9.8.4.1 is an article. Read the subsection titles first; they are your table of contents inside the section.

A “Find It Fast” Method for the House Exam

Use the same process for every question so you do not freeze under time pressure.

1. Identify the building element. Is the question about a stair, a guard, a wall assembly, a foundation, a window, a smoke alarm? Circle the noun.
2. Check for defined terms. Words like dwelling unit, storey, grade and fire separation are defined in Division A. A small wording difference can change which rule applies.
3. Go to the section by memory or tab. Stairs and guards: 9.8. Egress: 9.9. Fire separations and smoke alarms: 9.10. Framing: 9.23. Insulation and air barriers: 9.25.
4. Scan subsection titles. Do not read article by article from the top. Find the subsection that matches, then read the articles inside it.
5. Read every sentence in the article. Exceptions often appear in a later sentence. Watch for “except”, “despite” and “need not”.
6. Follow cross-references only when needed. If the article points to a table, a Supplementary Standard or another part, follow it. If not, answer and move on.

Worked Example: Guard Question

Say a question asks for the required guard height at an exterior deck serving a house. Here is how the method plays out:

• Element: guard. Go straight to Section 9.8, Stairs, Ramps, Handrails and Guards.
• Scan the subsection titles for guards, then open the article on guard height.
• Read every sentence. Guard height requirements depend on conditions such as the height of the walking surface above the adjacent level and whether the guard is within a dwelling unit, so match the conditions in the question to the right sentence.
• Check whether the question is really about design loads or construction details. If so, SB-7 (Guards for Housing and Small Buildings) is your next stop.

Practise this enough times and you will skip straight from “guard” to the right page in under a minute.

Span Tables: Practise Reading Them Before Exam Day

Wood-frame questions often require you to pull a maximum span from a table for joists, rafters, lintels or beams. Before exam day, know where the span tables sit in your copy of the Code and how they are laid out: species and grade, member size, spacing, and the load or snow load column. Many wrong answers come from reading the right table with the wrong spacing or the wrong load. Put a dedicated tab on the span tables and another on SB-1, since snow loads come from the climatic data.

Want to drill this skill with timed questions? Our House BCIN exam prep course uses 2024 Code questions organized by Part 9 section so you build speed where it matters.

What to Tab in Your Code Book

• Division A definitions
• 9.1 (application), 9.5, 9.8, 9.9, 9.10, 9.13, 9.15, 9.23, 9.25, 9.26, 9.27, 9.35 and 9.37 to 9.41
• The span tables
• Part 11 compliance alternatives (the syllabus specifically names Table 11.5.1.1.C)
• Part 12 and SB-12
• SB-1, SB-2, SB-3, SB-7 and SB-9

Use one colour per area (for example, envelope in one colour, life safety in another) so your eyes find the right group without reading the tab.

Common Traps on the House Exam

Studying With 2012 Materials

Several Part 9 sections were renumbered in the 2024 Code. Cottages moved from 9.36 to 9.37, Log Construction from 9.37 to 9.38, and so on. Old notes can send you to the wrong section.

Ignoring Secondary Suite Changes

The 2024 Code changed several provisions for houses with a secondary suite, including fire separation options and ceiling heights. Expect questions on this, and read the current text rather than relying on what you knew before.

Missing the Exception

The first sentence of an article states the rule. Later sentences often relax or tighten it. Always finish the article.

Mixing Up “Within a Dwelling Unit” and Everything Else

Stairs, guards and egress rules often differ depending on whether the element is within a dwelling unit or serves more than one unit. In a house with a secondary suite, this distinction comes up constantly.

Forgetting the Legal Side

The technical exam is only part of becoming a qualified designer. You will also need the applicable legal/process exam. Our General Legal/Process course covers the Building Code Act and Division C topics.

Frequently Asked Questions

Is the house BCIN exam open book?

Yes. You can bring the Code into the exam. It has 70 questions over 3 hours, and you need 70% to pass.

Is ventilation on the Part 9 building code exam for houses?

Mostly no. The 2024 House syllabus does not list Section 9.32, and Section 9.33 is limited to one sentence about exhaust ducts and outlets. Ventilation and heating are tested on the separate HVAC House exam.

Which edition of the Code is the BCIN house exam based on?

The 2024 Ontario Building Code. All exams moved to the 2024 Code beginning March 30, 2026.

How long should I study for the house exam?

It depends on your background. Someone who reads drawings daily may need a few weeks of focused practice, while a career changer may need longer. Track your scores on timed practice tests and book the exam once you are consistently above the pass mark with time to spare.

Start Building Your Speed Today

The house BCIN exam is passable for anyone who learns how Part 9 is organized and practises finding answers under time pressure. Tab your book, use the same find-it-fast method on every question and test yourself until the process is automatic. When you are ready for realistic, timed practice, join our House exam prep course and see where you stand. For more strategies, read our Ontario Building Code exam tips.