Curved Quadrant Soft Sofa
Koskela
(Cover Only) Curved Quadrant Soft Sofa - Large Single (800 Radius, 45 degree)
Koskela
(Cover Only) Curved Quadrant Soft Sofa - Small Single (1200 Radius, 30 degree)
How to build your Sofa
The Quadrant Soft Curved Sofa range is designed to let you create anything from a gentle curve to a full conversational setting using individual modules that can be mixed and matched to suit your space.
How the curved modules work
The curved range is made up of three key modules:
- Curved Double — creates the central curved section
- Curved Small Single (30° curve, 1200mm radius) — creates a softer, wider curve
- Curved Large Single (45° curve, 800mm radius) — creates a tighter, more dramatic curve
By combining these modules in different ways, you can create layouts that feel anything from subtle and relaxed to fully wrapped and immersive.
Using the Curved Double together with the curved single modules allows you to create semi-circular layouts ideal for conversation areas, lounges and communal spaces.
Mix curved and straight modules
The curved modules are also fully compatible with the standard Quadrant Soft Sofa range, meaning you can combine curves with classic straight modules including:
- Double
- Single
- Corner
- Ottoman
This gives you the flexibility to create layouts that are completely custom to your space — whether that’s a softly curved residential setting or a large-scale modular configuration for commercial projects.
Need help visualising your layout?
To make planning easier, we’ve created a handy configurator that lets you experiment with different combinations and understand how each curve changes the overall shape of the sofa.
Koskela’s Quadrant sofa. A sofa for life.
Life’s a journey. So we made a sofa that can go the distance. A sustainable, shape-shifting centrepiece (or side piece) for your home – ready to adapt to whatever life throws at it. And then some.
Meet the Quadrant Soft.
Not only is the Quadrant Soft completely modular, which means you can build your perfect setting any which way you want, but it also features 12 sustainable and elegant fabric options, so you can style it any which way you want, too. The Quadrant Soft is designed to fit your life for the long-haul.
Whether you’re looking for a two-seater combo for your one-bed apartment, a four-seater for your growing family or 100 individual pieces to kit out your boutique cinema, you can make it happen, comfortably, with the Quadrant Soft.
There’s a reason it’s our best-selling sofa.
The Quadrant Soft.
A sofa for life.
Sustainable fabrics that endure everyday life
In addition to aesthetics, tactility and durability, at Koskela, we also consider a material's origin and life cycle. Introducing our exclusive collection of 12 eco-friendly materials, carefully selected to withstand everyday life without compromising the planet. From soft organic cotton to innovative recycled fibres, we've assembled a palette of 100% sustainable fabrics that seamlessly complement one another.
Unleash your inner creativity and enjoy crafting a setting that truly reflects your unique personality and values.
Book a free Interiors Consultation
Re-imagine your home with an Interiors Consultation catered to your style, budget and space. We are exclusively offering virtual appointments with our qualified Interior Stylists.
Interior Consultations are a hassle-free and complimentary session designed to take the stress our of re-decorating. They sift through fabric samples, navigate custom builds and concepts so you can sit back and enjoy your dream space come to life.
Repair & Renew
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 us?
Made in Australia
Designed and made locally by skilled craftspeople, meaning our furniture can be manufactured and delivered to your door in as little as 8 weeks.
Built to last
Timeless design, durable materials and quality craftsmanship backed by a 7-year warranty, so your furniture can become part of your home for years to come.
Repairable by Design
Accidents happen. We offer repairs, replacement parts, reupholstery and replacement covers to help keep your furniture looking its best instead of replacing it.
Support for Life
Our relationship doesn't end at delivery. From care advice to maintenance and refurbishment, we're here to help you get the most from your furniture throughout its life.
Choose Pre-loved
Discover beautifully restored furniture from our archive and trade-in program. Every piece is carefully refreshed, ready for its next chapter and backed by our quality guarantee.
Pass it on
When your needs change, your furniture doesn't have to end up in landfill. Trade it in through our Rehome program or pass it on for another lifetime of use.
Better for people & the planet
As a Certified B Corporation, we design furniture with longevity, responsible materials and thoughtful manufacturing at its core—because the most sustainable furniture is furniture that's still being used.
Supporting First Nations People & Communities
We partner with First Nations artists and Art Centres to create furniture, lighting and textiles that celebrate culture while generating meaningful economic opportunities for communities across Australia.
