How Much Does a Home Addition Cost in Victoria, BC [2025]

When considering a home addition, one of the first questions Victoria homeowners ask is, “How much does a home addition cost?” Adding space is one of the best ways to elevate your lifestyle without leaving the neighbourhood you love. Whether you need an expanded kitchen, an extra bedroom, or a full two-storey addition, a thoughtfully designed addition enhances functionality, increases comfort, and adds long-term value to your property.

At Stillwater Custom Homes and Renovations, we specialize in crafting custom home additions across Greater Victoria and Vancouver Island. With years of experience in building luxury renovations, we guide homeowners through the process with clarity, precision, and a commitment to exceptional craftsmanship.

The Average Cost of a Home Addition in Victoria

In 2025, home additions in Victoria generally range from $150,000 to $500,000+, depending on the size, scope, and level of finish.

• Smaller projects, such as a single bedroom or a sunroom, may begin closer to the $150,000 mark.
• Larger and more complex additions, such as multi-room expansions or full two-storey builds with luxury finishes, can reach $500,000 or more.

Several factors—such as structural requirements, design complexity, and choice of materials—ultimately determine the investment.

Victoria Home Addition Pricing by Type

Victoria Sunrooms or Enclosed Living Spaces

Expect costs between $150,000 and $200,000. With Victoria’s mild climate, these spaces let you enjoy natural light and garden views year-round, especially when designed with energy-efficient windows and heated flooring.

Victoria Bedroom Additions

Typically range from $175,000 to $250,000. Whether it’s a new primary suite or a guest room, bedroom additions bring comfort and practicality to growing families. Many clients also incorporate spa-like ensuites for a touch of luxury.

Victoria Bathroom Additions

Adding a bathroom in Victoria usually costs $100,000+. This investment reflects the need for plumbing, tiling, and custom fixtures. Bathrooms remain one of the most high-value additions for long-term resale.

Victoria Kitchen Expansions

One of the most requested projects in the region, kitchen additions range from $120,000 to $350,000+. Expanding a kitchen often means reconfiguring layouts, adding high-end cabinetry, and introducing premium stone countertops—perfect for entertaining and everyday living.

Victoria Two-Storey Additions

For those needing substantial space, two-storey additions typically begin around $300,000 and can extend well beyond $400,000. These projects often include multiple bedrooms, bathrooms, and home offices, while also updating the exterior to blend seamlessly with your existing home.

Cost Per Square Foot in Victoria

On average, home additions in Victoria cost $350 to $600+ per square foot. Simpler projects with standard finishes may fall at the lower end, while custom builds with luxury details will sit at the higher end.

Home Addition Costs by Area in Greater Victoria

Oak Bay Home Addition Pricing

Known for its character homes and tree-lined streets, Oak Bay additions generally range from $225,000 to $400,000+. Projects often focus on preserving heritage details while expanding living areas with modern functionality.

Fairfield & Gonzales Home Addition Pricing

Additions here typically cost $200,000 to $375,000. Many homeowners choose to expand kitchens or add sunrooms that maximize ocean views and garden settings.

Saanich Home Addition Pricing

With a mix of mid-century and newer builds, additions in Saanich often range from $175,000 to $325,000. Popular projects include primary suite additions, family rooms, and multi-generational living spaces.

Esquimalt Home Addition Pricing

Home additions here typically fall between $175,000 and $300,000, with many homeowners opting to modernize smaller homes by expanding kitchens or adding secondary bedrooms.

View Royal & Colwood Home Addition Pricing

With larger lots, these areas are ideal for more extensive additions. Expect costs from $200,000 to $350,000+, often including home offices, expanded kitchens, or two-storey builds.

Langford Home Addition Pricing

Langford’s newer homes often see additions in the $175,000 to $300,000 range. Many families invest in extra bedrooms, basement suites, or expanded main floors.

North Saanich & Sidney Home Addition Pricing

Additions in these areas generally cost $225,000 to $400,000+, often designed to highlight oceanfront settings. Many projects focus on custom kitchens, guest suites, or outdoor-indoor living spaces.

Factors That Influence Home Addition Costs in Victoria

When planning a home addition, it’s important to understand that no two projects are alike. A wide range of factors can influence your overall investment, and being aware of them helps ensure your project runs smoothly and stays aligned with your budget.

Scope of Work

The scope of your addition is one of the largest cost drivers. A simple single-room extension—such as a sunroom or small bedroom—requires less planning, fewer trades, and less structural work. In contrast, a multi-room or two-storey addition involves extensive engineering, structural reinforcements, and design considerations to ensure the new space blends seamlessly with your existing home. Larger projects also require longer timelines, which increases overall labour and material costs.

Materials

The quality of materials you choose plays a significant role in your project’s cost. For example, opting for premium cabinetry, imported stone countertops, wide-plank hardwood flooring, or energy-efficient window systems elevates the finished result but also increases investment. In Victoria, where homeowners often prioritize longevity and sustainability, selecting high-quality finishes not only enhances the look and feel of your space but also ensures durability for decades to come.

Labour & Expertise

Skilled labour is one of the most important elements of a successful home addition. Highly trained carpenters, designers, and tradespeople bring precision and artistry to your project, ensuring the finished result reflects the level of quality you expect. While top-tier expertise comes with a higher price point, it reduces the likelihood of costly errors or delays. At Stillwater Custom Homes and Renovations, we believe investing in craftsmanship is essential to delivering a refined, high performance space.

Site Conditions

The physical conditions of your property can also influence cost. Homes built on sloped lots may require additional excavation, retaining walls, or specialized engineering. Waterfront properties, which are common around Greater Victoria, often demand additional considerations for drainage, foundation stability, and compliance with environmental requirements. Each of these factors adds complexity—and therefore cost—to the overall project.

Permits & Regulations

Building in Victoria often requires navigating detailed zoning bylaws, municipal permit processes, and heritage home restrictions. In neighbourhoods like Oak Bay or Fairfield, heritage designations may require design sensitivity and municipal approval to preserve the area’s character. These requirements ensure that new work complements the city’s architectural heritage but can add both time and cost to the process. Working with a design-build team experienced in local permitting helps streamline this stage and avoid unnecessary delays.

Unexpected Issues

Older homes in Victoria, particularly character homes in established neighbourhoods, often present challenges once walls are opened. Outdated electrical systems, insufficient insulation, or compromised structural components may need to be upgraded before new construction can proceed. While these discoveries can add to the overall investment, they also present an opportunity to modernize your home and improve long-term safety, comfort, and energy efficiency.

Most Expensive Elements of a Home Addition

Some aspects of a home addition consistently represent the highest portion of the budget. These components require significant investment because of the complexity, craftsmanship, and materials involved.

Foundation & Structural Work
A strong foundation is essential for any addition, and costs rise considerably for multi-storey builds or when working with heritage properties. Reinforcing or extending the existing foundation often involves excavation, engineering, and the use of specialized materials to ensure stability. In Victoria, where soil conditions can vary and seismic considerations are important, foundation work is a critical (and often costly) step to ensure long-term structural integrity.

Plumbing & Electrical
Expanding a kitchen or adding a new bathroom requires extending plumbing and electrical systems. These upgrades involve not only the cost of new fixtures and finishes but also professional trades to install and integrate them safely and efficiently. Electrical panels may need upgrading to accommodate additional demand, while plumbing systems may require rerouting or expansion. These behind-the-scenes elements are essential to functionality and compliance with building codes, but they can significantly increase costs.

HVAC Integration
Heating, ventilation, and cooling systems must be extended or upgraded to serve your new space. In some cases, existing systems may not have the capacity to handle the additional square footage, requiring an entirely new HVAC system. In Victoria’s temperate climate, energy-efficient systems such as heat pumps are increasingly popular, and while they involve upfront investment, they reduce long-term utility costs and support sustainability goals.

Luxury Finishes
High-end finishes elevate the style and sophistication of your addition but also come at a premium price. Custom millwork, handcrafted cabinetry, imported stone, designer lighting, and oversized energy-efficient windows transform your space into something truly special. While these details represent some of the most expensive aspects of a home addition, they also create the refined aesthetic and sense of quality that discerning Victoria homeowners value.

Return on Investment (ROI) for Victoria Home Additions

Well-designed additions in Victoria often return 60–75% of their value upon resale, depending on the project. Beyond ROI, the real value lies in improved lifestyle, increased comfort, and the ability to stay in a neighbourhood you love.

Why Work with Stillwater Custom Homes and Renovations

Choosing Stillwater Custom Homes and Renovations means working with a team that blends timeless craftsmanship and high performance construction. We only build a select few homes per year giving every home we build the deep focus and attention it deserves. From heritage-sensitive renovations in Oak Bay to contemporary expansions in Langford, we understand the nuances of building in Victoria.

Our process ensures:

• Transparent pricing and timelines
  
  
• Seamless integration of design and construction
  
  
• Collaboration with skilled local trades and artisans
  
  
• Spaces tailored to your lifestyle and vision

From the first sketch to the final walk-through, we handle every detail with precision and care—creating additions that feel natural, elegant, and enduring.

Conclusion

Expanding your home is more than just adding square footage—it’s about creating a space that enhances your lifestyle while respecting the unique character of Victoria’s homes and neighbourhoods.

Whether you’re dreaming of a sun-filled kitchen expansion, a new primary suite, or a multi-room addition, Stillwater Custom Homes and Renovations is here to bring your vision to life. Contact our team today to begin planning your home addition in Victoria, BC.