Design Trends We’re Seeing in Modern Multiplex Homes

If you’re starting to dream about building a multiplex home in Vancouver or Burnaby, you’re not alone. More and more homeowners are beginning to explore the possibilities that come with adding multiple units to a single lot. It could be for a variety of reasons, including space for an extended family, some rental income, or both. But before breaking ground, many are asking, what does a modern multiplex home look like today?

Curious about the basics? Check out our Guide to Multiplex Homes in Vancouver and Everything You Need to Know About Building a Multiplex Home in Burnaby to get started.

At Theorem Developments, we get a front-row seat to some of the most creative and thoughtful design choices homeowners are making. These aren’t cookie-cutter houses. The homes are deeply personalized spaces that balance function, flexibility, and longevity really well. Here are some of the design trends we’re seeing right now that make multiplex homes shine.

#1 Smart layouts for multi-generational living

Today’s multiplex homes are often designed with more than one generation under the same roof, but that doesn’t mean everyone has to live on top of each other. We’re seeing a shift toward:

  • Separate entrances and outdoor areas to give families privacy and autonomy.

  • Soundproofing between units so that everyone gets their peace and quiet.

  • Shared spaces (when desired) that encourage connection while still offering boundaries, think of central courtyards or communal gardens.

These thoughtful layouts let families stay close without compromising on independence. Here’s more on how you can design a multiplex home for multi-generational families.

#2 Focus on sustainability in thoughtful ways

Energy efficiency is a must in most homes these days. But the ways people are incorporating sustainability have become much more creative.

  • Heat pumps and solar-ready infrastructure are now standard requests.

  • Locally sourced, low-VOC materials are gaining popularity for their health and environmental benefits.

  • Green roofs and rainwater collection systems are being embraced in compact city lots.

While these choices help the environment, they can also lead to long-term cost savings and even increase property value.

#3 Design for rental potential

Even if a unit isn’t being rented right away, many homeowners are planning for the possibility in the future. That means designing:

  • Self-contained units with private kitchens and laundry

  • Durable, low-maintenance finishes that still feel elevated

  • Flexible layouts that can transition between family use and tenancy

Having rental-ready options built in gives homeowners more financial flexibility down the road. 

#4 Increased storage and smart use of space

With more people living on a single property, storage becomes more important than ever. That’s why we’re incorporating:

  • Built-in storage wherever possible, such as under stairs, in entryways, and even in benches

  • Dedicated bike storage and gear rooms, especially for active families

  • Hidden nooks and custom millwork that make small spaces feel more generous

When every square foot works harder, families feel more comfortable and clutter-free.

#5 Cohesive but personalized aesthetic

Just because there are multiple units doesn’t mean the home has to feel disjointed. We love helping clients create a visual flow across the entire building while still letting each unit reflect its own style. Think:

  • A cohesive exterior palette with subtle variations in material

  • Accent walls or distinct lighting choices in each unit

  • Shared design elements like hardware or cabinetry profiles that tie everything together

It’s about balance. Creating unity without uniformity. 

Whether you’re planning to build soon or just collecting ideas, understanding the latest design trends in multiplex homes can help you dream bigger and smarter. 

At Theorem Developments, we’re here to guide you through each decision, from zoning to layout to final finishes, to help you create a space that works for your lifestyle now and in the future.

Have questions? We’d love to chat about your vision. Reach out to our team anytime to start exploring what’s possible on your property.

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How to Design a Multiplex Home for Multi-Generational Families