How to Make an Old Sofa More Comfortable

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Comfort Is Usually a Cushion Problem, Not a Sofa Problem

Before assuming a sofa itself has become uncomfortable, it's worth checking whether it's actually the cushions that have changed — flattened filling and softened support are the most common culprits, and both are fixable without replacing anything.

What Actually Helps

• Firm up sagging seat cushions with a booster pad underneath the existing cushion — this restores support without needing to replace the whole cushion. See our sagging cushions guide for more on why this happens.
• Plump flat back cushions by topping up the filling or swapping in a fresh bounce-back insert.
• Add extra scatter cushions for lumbar support if you're sinking too far back — a firm cushion behind the lower back changes the whole sitting position.
• Check the seat height — if you're sinking low enough that standing up is an effort, that's a sign the seat cushions specifically need firming, not the whole sofa replacing.
• Deep clean the fabric while you're at it — a fresher-feeling sofa often reads as more comfortable even before the physical fixes kick in.

Which Fix Do You Actually Need?

Honest Verdict

Cushion fixes solve genuine comfort problems on a sofa with a sound frame. If you're feeling the frame itself — springs, wooden bars, hard edges through the fabric — that's a structural issue no cushion fix will solve.

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Related: How to Make Sofa Cushions Firmer · How to Plump Up Flat Sofa Cushions · Sofa Cushion Sagging: Why It Happens and How to Fix It

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