Home Addition Vancouver
Expand your home without moving. Custom additions built to code across Metro Vancouver — second floors, rear extensions, side additions, and garage conversions.
CoreVal Homes is a BC Housing-certified builder with over 20 home additions completed across Metro Vancouver.
Last reviewed: April 2026 · Metro Vancouver
Addition Types We Build
Every addition type is handled in-house — design coordination, permits, construction, and final inspection.
Second Floor Addition
Double your living space by building up. Full structural engineering, framing, roofline integration, and interior finishing.
Rear Extension
Extend into your backyard to gain a larger kitchen, family room, or primary suite without disturbing the front facade.
Side Extension
Utilize side yard setbacks to add square footage on narrow lots. Ideal for mudrooms, home offices, and bedroom additions.
Garage Conversion
Transform an underused garage into a legal suite, home studio, or additional living space with full permits.
Recent Projects
Home Additions We Have Built in Metro Vancouver
Below are examples of home additions CoreVal has completed across Metro Vancouver. Specific project addresses are withheld per client privacy; neighbourhoods and project details are accurate.
East Vancouver — Renfrew
840 sq ft second floor added over an existing 1,040 sq ft rancher. Existing foundation assessed and reinforced. New roofline matched to the RS-1 streetscape. Project duration: 8 months including permit approvals. Permit obtained from City of Vancouver.
Outcome
Home went from 1,040 sq ft to 1,880 sq ft. Three bedrooms added on the new upper floor.
Burnaby — Metrotown area
420 sq ft rear extension to an existing 1960s bungalow. Open-plan family room and expanded kitchen. Rear setback was confirmed compliant at 3.2m before design. Project duration: 6 months. Permit obtained from City of Burnaby.
Outcome
Kitchen footprint increased by 60%. New family room with sliding doors to backyard.
North Vancouver — Lynn Valley
520 sq ft attached double-garage converted to a licensed secondary suite. Required structural assessment, new electrical panel, and HVAC rough-in. North Vancouver District permit obtained. Project duration: 4 months.
Outcome
Rental income generating suite. Legal secondary suite permits secured before construction.
“The permit package is where most additions run into delays. When our team prepares the structural drawings, architectural plans, and site documents before submission, we cut the back-and-forth with the city significantly. Most of our applications go through on the first or second submission.”
Gordie Guthrie — Owner, CoreVal Homes
Cost Ranges by Addition Type — 2026 Metro Vancouver
Construction costs for home additions in Metro Vancouver vary by addition type, structural complexity, and finish specification. The following market ranges reflect current conditions as of 2026.
| Addition Type | Typical Size | Metro Vancouver Market Range | Timeline |
|---|---|---|---|
| Second Floor Addition | 600–1,200 sq ft | $180,000–$380,000 | 6–10 months |
| Rear Extension | 200–500 sq ft | $95,000–$220,000 | 4–7 months |
| Side Extension | 150–350 sq ft | $75,000–$180,000 | 3–6 months |
| Garage Conversion | 200–500 sq ft | $60,000–$140,000 | 2–5 months |
Ranges reflect current Metro Vancouver construction market data as of 2026. Costs vary based on structural requirements, finish level, and site conditions. Ranges include design coordination, permits, and construction.
Vancouver Zoning — What Limits Your Addition
Before a single drawing is made, your builder should pull your property's current zoning and calculate your remaining development capacity. Three zoning rules govern what is physically possible for most Vancouver additions.
Floor Space Ratio (FSR)
Most RS zones in Vancouver have a 0.6 FSR — meaning total floor area (including your addition) cannot exceed 60% of your lot area. A 4,000 sq ft lot allows a maximum of 2,400 sq ft of total floor area including the existing home. If your house is already 2,000 sq ft, you have 400 sq ft of FSR capacity remaining before even considering other constraints.
Setback Requirements
Most Vancouver RS zones require a 3m rear setback and 1.2m side setback. Your addition must stay within these limits — meaning a rear extension on a lot where the existing house already sits close to the rear setback line may have very limited depth available. Side extensions are similarly constrained by the 1.2m side yard requirement.
Height Limits
Most RS zones in Vancouver max out at 10.7m (35 ft) to the peak. This is relevant for second floor additions — if your existing home has a steeply pitched roof, the ridge height of a new second floor may approach or reach the limit. A structural and architectural review will confirm available headroom before design begins.
Before designing your addition, a builder should pull your property's current zoning and check your remaining FSR capacity — this determines what is physically possible before a single drawing is made. For official Vancouver zoning details, see the City of Vancouver Zoning and Development page ↗.
What to Expect During Construction — Living Through an Addition
Home additions are disruptive. Understanding what each phase looks like helps you plan your family's schedule and avoid surprises.
Home Addition vs Moving — The Real Financial Comparison
The true cost of buying a comparable larger home in the same Metro Vancouver neighbourhood is rarely framed honestly. The table below reflects what a homeowner selling a $1.2M–$1.8M home and buying up actually pays.
| Cost Item | Home Addition | Buying a Comparable Bigger Home |
|---|---|---|
| Construction cost | $100K–$380K | — |
| Realtor fees (selling current home) | — | $40,000–$80,000 |
| Land transfer tax (BC PTT) | — | $12,000–$40,000+ |
| Moving costs + storage | — | $5,000–$15,000 |
| Carrying costs (bridge financing) | — | $8,000–$25,000 |
| New home premium vs current neighbourhood | — | $200,000–$600,000+ |
| Total real cost | $100K–$380K | $265,000–$760,000+ |
Based on Metro Vancouver real estate market conditions as of 2026. Home sale assumed in the $1.2M–$1.8M range. BC Property Transfer Tax calculated at standard BC rates. Realtor commissions vary.
Why Add On Instead of Move?
- Avoid $40K–$80K+ in realtor fees, land transfer tax, and moving costs on a comparable home.
- Stay in your neighbourhood, school catchment, and community — just with more space.
- A well-executed addition typically returns 60–80% of its cost in added property value.
Explore
Related CoreVal Services
A home addition is one path to more space. If your project is larger in scope, these services may be a better fit.
Custom Home Build
When an addition is not enough, a full custom rebuild gives you the layout you actually want.
Learn MoreHome Renovation
Kitchen, bathroom, and whole-home renovations — often paired with an addition for one coordinated project.
Learn MoreLaneway Homes
Add a detached dwelling for rental income or multigenerational living instead of building onto the main house.
Learn MoreReady to Expand Your Home?
Book a free site visit. We will assess your property, review zoning setbacks, and provide a realistic budget estimate — no pressure, no obligation.
Get a Free Addition QuoteHome Addition FAQs
How much does a home addition cost in Vancouver?
Home additions in Metro Vancouver typically range from $250–$500+ per square foot depending on complexity, structural requirements, and finishes. A 400 sq ft rear extension might run $100K–$200K all-in including permits and design. CoreVal provides a detailed cost breakdown before any work begins.
Do I need permits for a home addition in Vancouver?
Yes. Any structural addition requires a building permit, and most municipalities also require a development permit for additions that increase the building footprint or height. CoreVal handles all permit coordination — architectural drawings, structural engineering, and municipal submissions.
How long does a home addition take?
Most home additions take 4–8 months from permit approval to completion. Permit approvals typically take 6–12 weeks depending on the municipality. Second floor additions generally run 5–8 months due to structural complexity. CoreVal provides a milestone-based timeline before construction begins.
Can I add a second floor to a bungalow in Vancouver?
Yes, most bungalows in Metro Vancouver's RS zones can accommodate a second floor addition, subject to FSR limits, setback compliance, and a structural assessment of the existing foundation and framing. The existing foundation and first-floor walls must be engineered to handle the added load — this is confirmed during the design phase. Many bungalows built in the 1950s–1970s were constructed with foundations capable of supporting a second story, though reinforcement is sometimes required.
Do I need to vacate my home during a home addition?
It depends on the type of addition. Rear and side extensions typically do not require you to move out, though expect significant disruption during the 4–8 weeks of structural framing. Second floor additions are more disruptive — the roof is temporarily exposed and the floor structure is being built overhead. Most families with second floor additions move out for 6–12 weeks during the structural phase. Your builder should give you a specific disruption schedule upfront before construction starts.
What permits does a home addition require in Metro Vancouver?
All structural additions require a building permit. If the addition increases your building footprint, a development permit is also required in most Metro Vancouver municipalities. For additions in heritage-designated areas or near heritage properties, additional heritage review may apply. Permit processing in Vancouver typically takes 8–14 weeks for a complete application; Burnaby and Coquitlam run 6–10 weeks. Incomplete applications are the most common cause of delays — a builder who prepares thorough permit packages reduces back-and-forth with the city.