Home Addition & Extension Contractors Across Metro Vancouver
Find skilled home addition professionals for second-story additions, bump-outs, sunrooms, garage conversions, in-law suites, laneway houses, and kitchen & living room extensions -- across Metro Vancouver.
Get Matched Free
Tell us your project, we'll connect you with home addition professionals
Home Addition Services Across Metro Vancouver
Find skilled addition contractors for residential projects throughout Metro Vancouver
Home Additions & Extensions
Full ground-level home additions across Metro Vancouver — extending your home's footprint with new rooms built to BC Building Code seismic and energy standards.
- Full ground-level additions extending the existing home footprint
- Foundation design for Metro Vancouver soil conditions (clay, till, fill)
- BC Building Code seismic design with continuous load paths
Second-Story Additions
Second-story additions for Metro Vancouver homes — structural assessment, seismic upgrading, foundation reinforcement, and full upper-floor construction.
- Full or partial second-floor construction on existing single-storey homes
- Structural engineering with seismic load analysis for BC zone
- Foundation assessment and reinforcement (piles, wrap, underpinning)
Bump-Out Additions
Bump-out additions for Metro Vancouver homes — small 50-200 sq ft extensions for kitchens, bathrooms, and bedrooms with minimal foundation work.
- Small-footprint extensions of 50-200 square feet
- Cantilever construction for bump-outs up to 3 feet (no foundation needed)
- Strip footing and shallow foundation for larger bump-outs
Sunroom Additions
Three-season and four-season sunroom additions for Metro Vancouver homes — glass enclosures, thermal performance, and year-round usability in BC's mild climate.
- Three-season and four-season sunroom design and construction
- High-performance glass selection (low-E, argon, solar control)
- Foundation options — slab on grade, shallow foundation, helical piles
Garage Conversions
Garage-to-living-space conversions across Metro Vancouver — insulation upgrades, foundation modifications, BC Building Code egress, and municipal parking compliance.
- Garage-to-living-space conversion for attached and detached garages
- Insulation upgrade from garage to BC Building Code habitable standard
- Garage door opening infill with framed wall, window, and egress
In-Law Suites
Self-contained in-law suite additions for Metro Vancouver homes — kitchen, bathroom, separate entrance, fire separation, and BC secondary suite compliance.
- Self-contained suite with kitchen, bathroom, and separate entrance
- BC Building Code fire separation — rated assemblies, doors, alarms
- Secondary suite permit and municipal registration coordination
Laneway Houses & ADUs
Laneway house and accessory dwelling unit construction across Metro Vancouver — from Vancouver's pioneering ADU program to municipal builds across the region.
- Detached accessory dwelling units on single-family lots
- City of Vancouver laneway house program compliance
- Municipal ADU regulations across Metro Vancouver communities
Kitchen & Living Room Extensions
Kitchen and living room extensions across Metro Vancouver — expanding main living areas with open-concept integration, structural beams, and seamless finishing.
- Kitchen and living room extensions of 100-300 square feet
- Load-bearing wall removal with engineered steel or LVL beams
- Open-concept floor plan creation with continuous sightlines
Ask Additions IQ
Get instant answers to your home addition, extension, second-story, laneway house, and zoning questions from our expert knowledge base
Why Use Vancouver Home Additions
Free Matching Service
Our service costs homeowners nothing. Describe your addition project and we match you with professionals who specialize in that exact type of work -- from second-story additions to laneway houses to bump-outs. No fees, no obligation.
Metro-Wide Coverage
From second-story additions on Vancouver bungalows to laneway houses in Burnaby, sunroom builds in North Vancouver, and kitchen extensions across Surrey and Richmond. We match you with addition pros who know your area.
Vancouver Construction Network
Backed by the Vancouver Construction Network -- Metro Vancouver's contractor directory with hundreds of listings across every construction trade.
Home Addition Professionals Across Metro Vancouver
Frequently Asked Questions
How much does a home addition cost in Metro Vancouver?
Home addition costs in Metro Vancouver range widely by project type. Ground-level additions run $150,000-$400,000 depending on size and finishes. Second-story additions cost $200,000-$500,000 including structural engineering and seismic upgrading. Bump-outs (50-200 sq ft) cost $40,000-$120,000. Sunrooms run $30,000-$80,000. Garage conversions cost $25,000-$65,000. In-law suites cost $80,000-$200,000. Laneway houses run $150,000-$350,000. Kitchen and living room extensions cost $60,000-$180,000.
Do I need a building permit for a home addition in Vancouver?
Yes, all home additions in Metro Vancouver require a building permit under the BC Building Code. This includes ground-level additions, second-story additions, bump-outs, sunrooms, garage conversions, in-law suites, laneway houses, and kitchen or living room extensions. Permit requirements and fees vary by municipality across Metro Vancouver.
What zoning restrictions affect home additions in Metro Vancouver?
The biggest zoning constraints are Floor Space Ratio (FSR) and setback requirements. Most RS-1 zoned lots in Vancouver allow an FSR of 0.70 to 0.75. Rear yard setbacks typically require a minimum of 25% of lot depth or 7.6 metres. Side setbacks on standard 33-foot lots leave very little room for lateral expansion. Height restrictions constrain second-story additions. Each municipality has its own zoning bylaws.
How does Vancouver's climate affect home addition construction?
Metro Vancouver receives over 1,200mm of annual rainfall, making rain management the most critical factor. The junction between an existing roof and a new addition is the most common source of water intrusion if flashing is not executed precisely. BC's seismic zone classification requires every addition to resist earthquake forces. Soil conditions vary from glacial till in North Vancouver to marine clay in Richmond that requires engineered foundations.