Crafting Tomorrow's Living Spaces Today

We're not just drawing lines on paper - we're shaping how people experience their everyday lives through thoughtful, sustainable design.

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Our Approach

Who We Are & What We Do

Based right here in Toronto, we've been reimagining what buildings can be for over a decade now. It's not about following trends or chasing awards - though we won't say no to those! It's really about listening to what our clients need and creating spaces that actually work for them.

Every project's got its own story. Sometimes it's a family who's outgrown their home, other times it's a business ready to make a statement. We dive deep into understanding the 'why' before we even think about the 'how.'

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What We Bring to the Table

Six core services that cover pretty much everything you'd need from concept sketches to ribbon cutting

Residential Design & Planning

Your home should feel like, well, home. We work with you to create spaces that match how you actually live - not some magazine spread that looks nice but doesn't function.

Commercial Architecture

Business spaces need to work hard. We design commercial buildings that make sense for your operations, your team, and your bottom line.

Sustainable Building Solutions

This isn't optional anymore. We integrate green tech and sustainable materials from day one - it saves money and, y'know, helps the planet a bit too.

Interior Space Optimization

Got a weird layout? Awkward corners? Dead space? We're pretty good at making every square foot count without making things feel cramped.

Construction Management

We stick around through the build. Someone's gotta make sure what we drew actually gets built right, on time, and on budget.

Heritage Building Restoration

Old buildings have character - and usually some quirks. We specialize in bringing historic structures into the 21st century while respecting what makes 'em special.

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Sustainability Focus

Sustainability Isn't a Checkbox

Here's the thing - we've been obsessed with sustainable design since before it was cool. Not because it's trendy, but because it makes practical sense. Lower energy bills, healthier indoor environments, reduced environmental impact... it's kind of a no-brainer.

From passive solar design to rainwater harvesting systems, we bake sustainability into every project. And yeah, sometimes that means having tough conversations about budgets vs. benefits, but we'll always give you the straight story.

Our Green Approach

Recent Work Highlights

A few projects we're particularly proud of - each one taught us something new

Project 1

Lakeside Residence

Contemporary family home

Project 2

Urban Tech Hub

Mixed-use commercial space

Project 3

Heritage Conversion

1920s warehouse adaptive reuse

Project 4

Net-Zero Cottage

Off-grid sustainable living

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Let's Work Together

Got a Project in Mind?

Whether you've got detailed plans or just a napkin sketch, we'd love to hear about it. Every great building starts with a conversation - let's have one.

We're located right on Queen West, but we work throughout the GTA and beyond. Coffee's always on, and we promise to keep the architecture jargon to a minimum.

Give us a call: (416) 555-0847

Send an email: info@onyxarethquinthos.info

Visit us: 1247 Queen Street West, Toronto, ON M6K 1L6

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