If you’re planning a custom home in Victoria, you’ve probably heard the term BC Energy Step Code mentioned, usually in the context of insulation, airtightness, or energy modelling. It can sound technical, but understanding what it is (and why it exists) will help you make better decisions about your build, your budget, and the long-term performance of your home.
What the Step Code Is, in Plain Language
The BC Energy Step Code is a provincial framework that establishes progressively higher energy-efficiency standards for new construction. It uses a stepped system to give builders and municipalities a clear roadmap toward more efficient homes, with the provincial target of net-zero-ready construction by 2032.
For small residential buildings, single-family homes, duplexes, and townhouses, there are five steps. Step 1 is essentially the older baseline code, while Step 5 represents a net-zero-ready home that meets Passive House standards. The higher the step, the better the home performs.
What’s Required Today
As of May 2023, Step 3 became the minimum for new Part 9 residential construction across BC, including Victoria and the surrounding region. That means every new custom home built today must meet a meaningfully higher standard than homes built just a few years ago.
Some municipalities require even more. Several Lower Mainland communities have already adopted Step 4 or higher, and a few have layered the Zero Carbon Step Code on top of it, which addresses greenhouse gas emissions in addition to energy use. The province is gradually pulling all municipalities toward the same destination, but the timeline varies depending on where you build.
What This Means in Practice
Meeting the Step Code isn’t just about adding more insulation. It requires a coordinated approach to the design, construction, and testing of the home. Here’s what’s involved:
Energy modelling: Before construction, an Energy Advisor builds a digital model of the home to predict its energy performance and set targets.
A tighter building envelope: More continuous insulation, higher-performance windows, better air sealing, and careful detailing at junctions where energy typically leaks.
Airtightness testing: Blower-door tests during and after construction verify the home’s actual airtightness. Step 3 requires a maximum air leakage rate of 2.5 air changes per hour at 50 pascals, and subsequent steps require even lower leakage rates.
Mechanical system design: Heat-recovery ventilation, properly sized heating systems, and, increasingly, electric heat pumps in place of gas furnaces.
What It Means for You as a Homeowner
Step Code homes cost slightly more to build upfront; better envelopes, better windows, and more rigorous testing add cost. But they also deliver real benefits over the life of the home: lower heating and cooling bills, controlled air quality and humidity, more comfortable temperatures year-round, and a quieter home (a tight envelope also blocks sound).
There are also rebates worth knowing about. The CleanBC Better Homes New Construction Program offers significant rebates for builders constructing high-performance electric homes, and those savings can be passed through to homeowners. Building above the minimum step often qualifies for larger rebates.
Looking Ahead
The Step Code isn’t static. The province is steadily raising the minimum, and homes built today to a higher voluntary standard will hold their value better as those standards roll out. Choosing a builder who already has Step Code experience and can speak fluently about energy modelling, blower door testing, and envelope detailing is one of the best protections against future regulatory surprises.
Want to talk about what Step Code level makes sense for your custom home? Contact us today. We’re happy to walk you through the options.