Long Sideboard 1050
Reissue of the iconic 1050 Long Sideboard from the Sirius set designed in 1962 in Poland. 366 Concept has redefined it so you can enjoy unparalleled functionality with a new aesthetics perspective.
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Order Fabric Samples
Do you want to see what the fabric looks like in daylight and in your interior? Order your samples here.
Long Sideboard 1050
The Story Behind
Functional Means Beautiful
Frame: Oak
366 Concept
Sideboards & Highboards: meet the whole family
Everything stays in the family. Discover other pieces in the collection.
Frequently Asked Questions
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The delivery time depends on the type of furniture. An estimated time frame is provided on each product page. Depending on the product, the delivery time ranges from 6 to 12 weeks.
Exceptions include products that are in stock and ready-to-assemble items (such as dressers and desks), for which the delivery time is 1 to 2 weeks.
Stock Sale – products marked with the Stock Sale promotion have an expedited shipping time – approximately 4 weeks, depending on payment confirmation.
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Available payment methods: Bank transfer, Credit cards (payment processed by Stripe), PayPro, PayPal, Klarna.
With Klarna, you can pay 30 days after placing your order or split the payment into 3 installments. Klarna options may vary depending on the country.
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We encourage you to subscribe to our newsletter. After subscribing, new customers receive a one-time discount code of 25 EUR* for their first purchase.
It’s also worth following our social media and newsletter to stay updated on seasonal sales.
*The discount cannot be combined with ongoing promotions.
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Absolutely! For each product, you can choose the wood finish and the type and color of the fabric. We encourage you to contact us through the furniture personalization form.
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If you need a different delivery date than the one indicated on the website, please email us at hello@366concept.com. We will check the available options and try to accommodate your request as best we can.
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We manufacture furniture according to the customer’s preferences, taking into account the selected fabric and wood finish. Such products are not eligible for returns.
*Only ready-to-use products (Sideboards 1050, Desks S60) and products marked “Shipping 48H” can be returned within 14 days of receiving the shipment.
Discover Our Stories
366 Series: Our Heritage
Discover the 366 series that started our history. Józef Chierowski and his 366 armchair are the first chapter in the interior design story of 366 Concept.
200-190 Series: Modern, Yet Subtle
Its characteristic rounded backrest design combines the subtlety of art déco aesthetics and the economy of Scandinavian mid-century style.
Fox Armchair: Light and Smart
They call him "Fox" after the designer's surname. The 300-190 armchair is one of the most beloved designs of its era: it is slim and fits everywhere.
200-125 VAR Chair: a Bridge Companion
The 200-125 VAR armchair, commonly known as Aga, is a mature and sophisticated design in its simplicity.
RM58 Armchair: Polish Space-Age
Here it is. A groundbreaking armchair designed by Roman Modzelewski, which can be found at MoMa. A perfect example of the Polish approach to space-age.
Mid-Century Modern Highboards
In the 1960s functionality did not compete with aesthetics. It was then that the concept of the 1050 series of highboards was created for the renowned Polish furniture factories.
Stefan Armchair: Sculptural Form
No Scandinavian design museum would be ashamed of Stefan. It was Danish modernism that inspired the Polish premium armchair.