The Smart Shopper’s Guide to Modular Corner Sofas in 2026

Modular corner sofas give you seating that adapts as your home changes, which is why they suit households that move, redecorate or expand over time. This guide explains what separates a genuine modular system from a sofa that simply splits for delivery, how to measure the route into your room rather than just the room itself, and which layouts work in typical British living spaces. It covers frames, foam types, suspension and the fabric decisions that determine how a sofa ages, along with the practical details that catch buyers out, such as left and right hand orientation, seat depth and connector quality. You will also find guidance on building the rest of the room around a large corner layout, from rug sizing to lighting the darkest part of the space, plus clear answers to the questions we hear most often before an order is placed. Use it as a checklist when comparing ranges rather than relying on photographs....