Quadrant Soft Sofa
Meet the Quadrant Soft
Australian made sustainable comfort for everyday homes.
Originally inspired by the relaxed comfort of baggy jeans, the Quadrant Soft Sofa is Koskela’s most loved and versatile lounge system — perfect for homeowners seeking contemporary style, lasting comfort, and sustainable design.
Designed and manufactured in Australia since 2009, it brings together long-lasting comfort, reconfigurable design, and creative expression.
Each module is crafted from dense yet extremely lightweight foam, making it easy to move, reconfigure, and adapt to evolving needs — no tools or heavy lifting required. Whether you’re refreshing a breakout area, creating a quiet reading nook, or rethinking an entire floor plan, Quadrant is built for agile spaces.
What sets Quadrant apart is its creative flexibility — mix and match fabrics across modules to create a bespoke look tailored to your interior scheme. Over time, you can easily swap out covers to refresh the aesthetic or adapt to changing seasons, with the option to purchase extra covers for summer and winter styling. This reduces waste and extends the product’s life while offering practical, low-cost ways to rejuvenate your space.
Covers are removable and dry-cleanable, making maintenance simple. And thanks to Koskela’s repair & renew program, parts can be replaced individually, minimising environmental impact and keeping your sofa in use for longer.
Leather cross-stitches and embossed handles provide signature design touches that speak to quality and craft.
The Quadrant Soft Sofa range pairs seamlessly with the Curved Quadrant range offering flexible, modular seating solutions designed to suit any home — from compact apartments to open-plan living rooms.
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Our Commitment to a Circular Future
When it comes to upholstery, the fabric you choose doesn't just affect how your furniture looks and feels—it also impacts the planet.
Overseas-made fabrics often travel thousands of kilometres by sea and air before they reach our shores. This long supply chain contributes significantly to carbon emissions.
That’s why we proudly offer a curated range of Australian-made fabrics—crafted closer to home, with fewer transport miles and stricter environmental standards. By choosing Australian fabric, you can reduce your carbon footprint by as much as 30–50%, depending on the material and origin.
On top of that, local production supports Australian jobs and ensures better traceability, so you know exactly what you're getting—and where it came from.
Better for the planet. Better for everyone.
Ready to upholster sustainably? Explore our Australian fabric collection and make a choice that feels good in every way
Introducing Koskela X Native Range
Our best-selling Quadrant Soft Modular Sofa - Now Available in Australian-made sustainable, rapidly renewable, low-pesticide wool.
Available in four beautiful colourways: Eucalypt, Saltbush, Paperbark and Guide
The Quadrant Soft Sofa is Koskela’s iconic modular seating solution — designed and manufactured in Australia since 2009 — now offered in a new sustainable fabric range made from 90% Australian eco wool in a beautiful palette, inspired by the Australian landscape. Combining the same long-lasting comfort, reconfigurable design, and creative flexibility Quadrant is known for, this new option elevates both style and sustainability.
At Koskela, we’re committed to creating a more circular future — where furniture is designed to last, adapt, and stay out of landfill. That’s why every product we make is built with repairability and longevity at its core.
When you purchase a Quadrant Soft Sofa, you automatically gain access to our Repair & Renew program, giving you long‑term support to keep your furniture in use for as long as possible. Through this program, you can easily repair, refurbish, or reupholster components to refresh your sofa rather than replace it — reducing waste while saving time and money.
Every Koskela product comes with a 7‑year warranty and access to:
Repair & reupholstery services
Buy‑back options
Ongoing product support
Together, these initiatives help extend the life of your furniture and support a more responsible, sustainable way of living.
Why choose me
Removable Covers
The Quadrant Soft Sofa features covers that can be easily removed for spot cleaning or dry cleaning, and are available in 11 sustainable fabric choices. Consider buying an extra set of covers to refresh your space with minimal cost and environmental impact as your needs or seasons evolve.
Made to last a lifetime
At Koskela, our enviro-conscious approach focuses on creating enduring, high-quality products. We've upgraded our designs with removable covers and durable fabrics, supported by a thorough repair service. Additionally, our trade-in program lets you adapt as your needs change, reflecting our commitment to sustainability.
Lightweight and easy to move
The Quadrant Soft Sofa is made from dense foam that is lightweight and easy to manoeuvre meaning you can easily switch up your Sofa's configuration according to your evolving preferences and spatial requirements.
Consciously crafted
The Quadrant Soft sofa exemplifies responsible manufacturing, proudly made in Australia. It minimises emissions, supports local craftspeople, and is thoughtfully designed with sustainable materials responsibly sourced from ethical suppliers.
The Quadrant Soft
Featured in Australian homes
"Absolutely thrilled and in love with our koskela quadrant sofa! Koskela was incredibly helpful in the process of deciding which colours and fabrics to use. We live interstate so all of the designing was done via zoom and emails - a risk sometimes! Not at all the case with Koskela, who completely understood our brief and was a delight to work with. The quality of the sofa is fantastic, we couldn't be happier! highly, highly recommend"
"I am overwhelmed with happiness, Koskela actually turned my vision into a reality. I am so happy with my couch. I highly recommend having a consultation with Koskela the whole process was super informative, she helped me soo much and was just an all round legend. I can’t thank Koskela enough."
"Koskela, its people, product and ethos is truly 5-star worthy. From beginning to end the team have been a pleasure to deal with. The product is top quality as you’d expect from an ethical company that highly values the materials, production, design and team involved. May seem like an over the top review, but it’s totally deserving and unsurprising that Koskela is attracting such a following!"
We had such a wonderful experience choosing a sofa for our new house at Koskela. Despite not being able to visit the showroom we felt like Koskela showed us all our available options and spent time listening to our needs in order for us to choose the perfect combination of fabrics and size. They mocked up several options for us to show us what it would look like in our actual space. We are so excited to receive our quadrant sofa - we think it will look fantastic. If you are unsure, I’d recommend booking in a meeting with one of Koskela’s interior designers as we did, it made such a difference!
"Never have I ever had the customer service and relentless commitment to couch happiness than I have just had with Koskela. All my customised sofa dreams have come true"