The frame: the part that decides everything

Everything you can see on a sofa — the fabric, the cushions, the colour — is replaceable. The frame is not. If it twists, creaks or sags, no amount of plumping will save it. So when you are comparing sofas, start with what is hiding underneath.

Look for a frame made from kiln-dried hardwood such as beech or ash, or a high-quality hardwood plywood. Kiln drying removes moisture, which stops the timber from warping in a warm living room. Particleboard and chipboard frames are cheaper and lighter, and they tend to loosen at the joints within a few years of daily family use.

Joints matter as much as the timber. Good frames are dowelled, glued and screwed, often reinforced with corner blocks at the stress points. Staples alone are a warning sign.

There is a simple test you can do in the showroom. Lift one front corner of the sofa about 15 centimetres off the floor. A well-built frame will bring the other front corner up with it, or very nearly. If the sofa twists like a hammock, walk away.

Cushion fillings: where comfort meets longevity

Seat cushions take a beating. Adults sit down heavily, children bounce, and someone always ends up sitting on the arm. The filling you choose determines how the sofa feels in year one and how it looks in year five.

• High-resilience foam at 30–35 kg/m³ is the workhorse of family sofas. It holds its shape, springs back quickly and needs little maintenance.
• Feather and down feels wonderfully soft but needs daily plumping and gradually compresses, so it is better suited to a grown-up sitting room than a playroom.
• Polyester fibre is the cheapest option and the quickest to flatten. It can feel inviting on day one and lumpy by month six.
• A foam core wrapped in feather or fibre gives you the softness of feather with the structure of foam — often the best compromise for busy homes.

Ask whether the seat cushions are reversible. Being able to flip and rotate them spreads the wear evenly and can add years to their life.

Fabric choices for busy households

Fabric is where practicality and style argue most. The good news is that hard-wearing no longer means scratchy.

Look at the rub count (sometimes called the Martindale score) if the retailer can tell you. For a family home, aim for 25,000 rubs or more. Anything above 30,000 is genuinely tough.

Weave matters too. Tight, closely woven fabrics resist snagging and stop spills from soaking straight through. Loose weaves, chunky textures and delicate linens look lovely but catch on everything and stain quickly. Polyester blends, microfibre and performance weaves are forgiving, clean up well and come in a huge range of colours.

Leather is another option. It wipes clean beautifully and copes with spills, but it scratches, and pet claws leave marks. If you go for leather, a matte or semi-aniline finish hides everyday wear better than a glossy one.

On colour, think honestly about your household. Mid-tones and gentle patterns camouflage crumbs and small mishaps far better than either crisp pale shades or very dark ones, which show every speck of dust.

Removable covers and easy cleaning

If you have small children, pets, or both, removable covers are worth paying extra for. They let you unzip, wash and refit rather than reaching for a cloth and hoping.

Before buying, check three things: whether the covers are machine washable, what temperature is recommended, and whether they can be tumble dried or must be dried flat. Covers that shrink in the wash will never fit properly again. It is also worth asking whether replacement covers can be ordered later, which is a quiet form of insurance.

Loose covers that drape over the whole sofa are the most forgiving of all — they are simple to remove and hide a multitude of sins — while tailored zip-off covers look smarter in a main living room.

Size, shape and proportion

A durable sofa still has to fit your room and your family's habits. Measure the space carefully, but also measure the route in: narrow doorways, tight stair turns and awkward hallways have defeated many a promising purchase.

For comfort, a seat height of around 45 centimetres and a seat depth of 55 to 60 centimetres suits most adults. Deeper sofas look luxurious but leave shorter sitters perched forward.

Think about configuration as well. A three-seater plus a separate armchair often works harder than one large corner sofa, because it can be rearranged and gives everyone their own space. Modular pieces are flexible for growing families. And if you want to clean underneath easily, look for legs of at least 12 centimetres.

Check the details before you commit

Finally, run through the small things that separate a sofa that lasts from one that disappoints.

• Sit on it properly for at least ten minutes, in your usual position.
• Check the stitching, piping and zips for neatness and strength.
• Ask about the warranty — many good frames are guaranteed for ten to fifteen years, with cushions covered for less.
• Confirm the delivery date and whether the sofa arrives assembled.

Buy well once and a good sofa will carry you through years of film nights, homework, naps and the occasional jumped-on landing. Choose with the frame, the filling and the fabric in mind, and you will not be shopping for another one any time soon.