Flat-packed sofa-in-a-box products aren't an entirely new concept (hello, IKEA), but with the popularity of bed-in-a-box ...

Available in fabric upholstery (including velvet) or leather, the tufted, midcentury–inspired silhouette checks all the boxes if ... re looking for a sofa with a modern design that will grow ...

I say this all in the past tense because I have indeed found a solution, and it's Swyft's 'sofa ... design has pocket-sprung seats for comfort and back cushions that give a firm, down-like feel.