One accountable team
Our in-house design team, permits, and build crew work under one roof, so design intent carries straight through to the finished space.
Design-build in Markham
Duplex Construction in Markham
Andare Homes designs and builds duplex construction in Markham as one accountable design-build team.
- Licensed, Insured and WSIB-Registered
- Backed by our workmanship warranty
- 5.0 on Google
Get a Quote in Markham
Tell us what you need and we’ll get you a quote. Free, no-obligation consultation and site visit with our design team.
5.0 on Google
Over 20 years in business 250+ homes renovated across the GTA Workmanship warranty, we stand behind our work Upfront, honest pricing, no surprises Licensed, Insured and WSIB-Registered Completed to code and Ontario requirements In-house design team, build by one team Serving the GTA and surrounding area
What GTA homeowners say
5.0 · Verified reviews on Google R Raymond Gafoovia Google
★★★★★
Fantastic experience with them! The team was professional, attentive, and delivered high-quality work on time and within budget. Highly recommend for anyone building or renovating their home!
S Simon Carrionvia Google
★★★★★
Andare did an amazing job renovating my house, they turned an old and boring basement into a modern and exciting place. Their attention to detail was astounding and I couldn't be happier with the results.
L Luka Stankovicvia Google
★★★★★
Andare took our outdated house and turned it into a modern, functional space. The new addition blends seamlessly with the existing structure.
P Paul Robinsonvia Google
★★★★★
The attention to detail is incredible. The Andare team has just finished building my home and I'm absolutely blown away. I've been living in here for just under a month now and I still haven't found a single flaw, you can really see their experience and craftsmanship in every part of the home.
I Isa Siddiquivia Google
★★★★★
Our basement went from an unfinished storage space to a fully functional family room. Amazing transformation, 5 stars, 100% recommend.
E Emily Carbonel Toothvia Google
★★★★★
Andare delivered excellent quality and great service. The team was professional and made everything easy.
Why Andare Homes
Duplex Construction in Markham, done right
Built to last
Quality materials and proven detailing chosen for how you live, finished to the Ontario Building Code and built to hold up for the long run.
Honest, upfront pricing
The price we quote is the price you pay. We scope the work properly before we start, so there are no lowball bids that balloon into surprise change orders later.
Code-conscious
Design, permits, and construction handled in accordance with Ontario requirements and your municipality.
Our Process
Our Process
- 01 Tell us about your project, your goals, photos, ideas, or plans you already have.
- 02 Our in-house design team shapes the design and handles the permits, then we quote and schedule the build.
- 03 Our crew builds it, coordinating every trade so the work runs cleanly and on plan.
- 04 We finish the Markham home to the Ontario Building Code, hand it over clean, and stand behind it with our 2-year workmanship warranty.
Local Context
Duplex Construction in Markham
What duplex construction includes
The scope can include site review, zoning and permit coordination, foundation, framing, two kitchens, two bathrooms, separate entries, laundry planning, mechanical and service coordination, fire separation, acoustic separation, egress, finishes, inspections, and handover.
New duplex construction allows the building to be planned correctly from the start. That is different from forcing two units into a house that was never designed for them.
Designed for two households
Before drawings are finalized, Andare plans unit sizes, stair or entry locations, privacy between homes, storage, natural light, kitchen function, bathroom routes, and maintenance access.
For the GTA lots, the best duplex plan depends on frontage, depth, parking, servicing, zoning, and how the building should address the street.
Permits, inspections and warranty
Duplex construction needs municipal approval, inspection planning, consultant input, and code-aware detailing. Andare coordinates the new-build process with clear documentation, scope control, and defined handover standards on every project.
Process
- Property, zoning, and unit-goal review
- Two-suite design and consultant pathway
- Duplex permit package and construction sequencing
- Foundation, framing, services, and separations
- Kitchens, baths, finishes, and inspections
- Handover and closeout
What Andare clients say
The Andare team has just finished building my home and I'm absolutely blown away.
The attention to detail is incredible.
Amazing team of home builders, I would recommend them to anyone!
Duplex Construction in Markham: what shapes the work
Markham includes heritage village areas, tech-corridor communities, newer subdivisions, townhouses, detached family homes, multi-generational households, and established areas such as Unionville, Milliken, Cornell, Berczy, Angus Glen, Wismer, Box Grove, and Markham Village. Common work includes basements, legal-suite review, second kitchens, kitchens, bathrooms, additions, custom homes, storage, home offices, exterior-sensitive renovations, and family-layout improvements.
Markham is outside Toronto, so Toronto zoning language should not be used. Markham projects need local review for zoning, permits, parking, entrances, fire separation, services, grading, trees, heritage context where applicable, and building-code requirements.
Markham homes often need planning for multi-generational use, subdivision layouts, heritage-adjacent work, and family storage. The design should solve everyday function while keeping permit and build requirements clear.
For Markham clients, Andare's design team can shape lower-level use, kitchen and second-kitchen questions, bathroom count, storage, finishes, home-office space, and consultant coordination before the construction plan is set.
Andare supports Markham homeowners across Unionville, Markham Village, Milliken, Cornell, Berczy, Angus Glen, Wismer, Greensborough, Box Grove, Cachet, Cathedraltown, and nearby family communities. Andare keeps duplex construction tied to the home in front of us, not a generic city-wide template.
More in Markham
Everything we design and build in Markham
Design-build services across Markham. See all services in Markham →
- Duplex Conversions in Markham
- Triplex Construction in Markham
- Accessibility Renovations in Markham
- Accessory Dwelling Units in Markham
- Basement Renovations in Markham
- Basement Underpinning in Markham
- Bathroom Renovations in Markham
- Century & Older-Home Renovations in Markham
- Coach House Conversions in Markham
- Coach Houses in Markham
- Condo Renovations in Markham
- Custom Homes in Markham
Nearby
Duplex Construction in nearby areas
We design and build across the GTA. Explore the areas next to Markham.
Our Work
View Our Projects See real projects across the GTA
Custom homes, additions, renovations, and multiplexes, designed and built for homeowners, architects, designers, and engineers.
Start your duplex construction in Markham with Andare
Book a consultation with Andare Homes. Our in-house design team and design-build crew plan, design, permit, build, and finish your project as one accountable team, licensed and insured, rated 5.0 stars from 55 reviews.
Backed by our workmanship warranty, we stand behind every job · Licensed, Insured and WSIB-Registered
Send your project details
Tell us what you need and we’ll get you a quote. Free, no-obligation consultation and site visit with our design team.
Duplex Construction Near Markham
View all service areas →Andare Homes provides duplex construction, designed and built by one accountable team across the GTA.