Guide · upholstery in Melbourne
Feather seat cushions go flat because the fill breaks down, not because it is "wearing in". Quills snap, broken feather migrates to the corners and leaks through the ticking, and daily plumping only hides the loss. A refill suits backs and scatters. For seats, the fix we do most on our bench is a channelled feather wrap over a Dunlop HR35 foam core: the look stays, the daily fluffing stops.
Last updated: October 2026
Get a free quoteCall 0425 832 619Feather seats flatten for three reasons: the quills fracture under body weight, the broken fill migrates to the corners, and the ticking lets the finer pieces leak out. A sofa seat takes a few thousand compressions a year, so a feather seat that stood 15 centimetres tall sits at 8 or 9 within three to five years of daily use.
Plumping redistributes what is left; it cannot put back loft that snapped quills have lost. When we open a flattened feather seat on the bench, the centre is usually two thirds empty and the corners are packed hard.
Retailers call this "natural" and "part of the character". It is natural the way a worn tyre is natural. Our view from the bench: a feather seat that needs plumping every day is not being loved, it is being managed.
Signs the fill has broken down rather than settled:
After five years of daily use, polyester fibre is the first to collapse, pure feather is second, high-resilience foam is still within 10 per cent of its original height, and a feather wrap over an HR foam core sits almost where it started. The table is what we find on the bench, not a brochure claim.
| Fill | Day one feel | At five years, daily use | Fix when it fails | Our verdict for seats |
|---|---|---|---|---|
| Polyester fibre | Soft, light, rounded | Flat and lumpy, usually within two years, cannot be reshaped | Replace the fill | Backs and scatters only |
| Pure feather or down | Deep sink-in, needs plumping from day one | Loses roughly 40 per cent of height, fill in corners, leaking quills | Refill with new feather | Backs and scatters, not seats |
| Dunlop HR35 foam, 200 firm | Supportive, springs back, little sink | Within about 10 per cent of new height, 10-year Dunlop warranty | Replace the core, usually after 10 years plus | The workhorse, but can read as hard-edged |
| Feather wrap over HR35 core | Soft first touch, firm support underneath | Core unchanged, wrap needs a weekly plump, not daily | Replace the wrap only, keep the core | Best of both, the one we build most |
Fibre is the cheapest fill, which is why so many bulk-retail suites use it: fine in the showroom, gone in 18 months. Our rule: fibre is a wrap, not a seat.
A refill is the right call when the cushion still has most of its feather by weight, the ticking is intact, and the cushion is a back, a scatter or an occasional-use seat. It is wasted money on a daily-use seat, because new feather under the same loads flattens on the same three-to-five-year timeline.
The test is simple. We weigh the insert against what a cushion of its size should carry, usually 1.5 to 3 kilograms of feather for a standard 60 by 60 centimetre seat, and open a corner of the ticking. If more than a third of the fill has gone to dust, a top-up is pouring new feather into a cushion that will keep shedding.
Refills we say yes to:
Whether a refill is done at our bench or through our feather supplier, we confirm when we quote.
Refills we talk people out of: a 3-seater family lounge where every seat is sat on nightly. That is our most common feather enquiry: two feather-cushion 3-seaters gone flat and the owner asking for a recover. The covers are often fine. The fill is the job, and a refill alone guarantees a repeat visit.
Our standard fix for a flat feather seat is a Dunlop HR35 foam core, cut to the cover, with a channelled feather-and-down wrap sewn around it in down-proof ticking. The foam carries the load. The wrap gives the soft first touch and the rounded look feather owners bought the sofa for. It needs a plump about once a week.
How it goes together on the bench:
It is the construction quality good sofa makers use. The difference between a cushion that looks plump for a decade and one that looks tired in two is almost always the core, not the cover.
The foam guide covers density and firmness. If the cushion is already foam and has gone soft, sofa cushion refoaming is the page you want.
Pure feather is the right fill for back cushions and scatters, and we would not recommend converting those to foam. A back carries a fraction of a seat's load, gets plumped by habit every time you stand, and the soft, slightly crushed look is exactly what you want.
The enquiry we see with backs is the modular lounge where the seats are fine and the backs have flattened. That is usually a refill or re-wrap, seats untouched. A foam back with a collapsed fibre wrap gets a feather wrap instead, so it holds a shape.
Scatters are the easiest case. A 50 by 50 centimetre feather scatter carries roughly 700 grams of fill and a top-up of a couple of hundred grams every five or so years keeps it full.
Our view: feathers belong where nobody sits on them. Put the structure in the seat and the softness everywhere else.
Feather cushions can smell, can bother some allergy sufferers, and do soak up moisture, and none of that is embarrassing. Feather is an animal product with a natural oil content, and when it absorbs humidity the oil gives off a sour, slightly farmyard note. Melbourne winters in an unheated front room bring it out.
The smell is a damp problem, not a hygiene one. Old fill that has gone to dust holds more moisture than fresh fill, and of the smelly feather cushions we open in our Eltham North workshop, roughly four in five have also lost a third of their height. New sterilised feather in new ticking, and an hour in the sun now and then, solves both. If the whole lounge smells musty rather than feathery, that is mould in the foam or frame, a refoam or frame job rather than a cushion one, and our upholstery questions page covers the smell side. Our rule: a cushion that smells is a cushion that has broken down.
On allergies: in our experience most reactions are to dust mites in old, damp fill rather than the feather itself. For a household with a confirmed feather allergy we build the same cushion with a polyester fibre wrap over the foam core, which keeps the rounded look without the fill.
A feather seat rebuild starts with photos, moves to a bench inspection of the insert and ticking, and finishes with a new or rebuilt insert fitted into your existing cover. Most cushion-only jobs need the cushions, not the sofa: a 3-seater's six inserts weigh around 10 kilograms and fit in a hatchback, so the lounge stays usable.
The sequence:
What drives the size of the job: the number of cushions, whether the ticking can be reused, how much fill is salvageable, and whether the covers come too. Our rule: we quote the drivers, never a number on an insert we have not opened.
Workshop visitors are welcome at Eltham North; call first, as it is a residential address. Pickup and delivery across Melbourne is by arrangement. If the seats still sink after new cushions, the fault is under them, which the sagging sofa page explains.
Good to know
Feather cushions go flat because the fill breaks down under repeated weight. The quills snap, the broken pieces migrate to the corners and the finer fragments leak out through the ticking as feather dust. A daily-use seat typically loses around 40 per cent of its height within three to five years. Plumping moves the remaining fill around but cannot restore loft that broken quills have lost, which is why a cushion sinks again within an hour of being fluffed.
A pure feather seat cushion in daily use lasts three to five years before it is noticeably flat, and pure down flattens sooner. Back cushions and scatters last far longer, often 8 to 10 years, because they carry little load: the backs we see on 10-year-old lounges are usually still three-quarters full. A feather wrap over a Dunlop HR35 foam core holds its shape for a decade or more, as the foam carries the weight and only the wrap needs plumping. Daily plumping extends the look, not the life.
Both are possible and the insert decides. If the ticking is intact and more than two thirds of the fill is still whole feather, a top-up with new feather works, and it is the right fix for backs, scatters and lightly used seats. If the fill has largely gone to dust or the ticking leaks, a refill will shed and flatten the same way. For daily-use seats we recommend a new feather-wrapped foam insert rather than a refill.
Yes. We cut Dunlop HR35 foam to your existing cover, wrap it, and fit it in place of the feather insert, and your cover stays. A plain polyester fibre wrap gives a firmer, more tailored seat. A channelled feather wrap over the foam keeps the soft, sink-in feel of the original with the support of a foam core. Most owners choose the feather wrap because it looks like the sofa they bought, without the daily plumping.
A feather-wrapped foam cushion is a high-resilience foam core, usually Dunlop HR35 in 200 firm or 165 medium, with a sewn envelope of feather and down around it in down-proof ticking. The envelope is divided into channels so the fill cannot migrate to one corner. The foam provides structure and the 10-year Dunlop warranty, the feather provides the soft first touch and rounded look. For seats, we think it is the best construction available.
Choose foam for seats and keep fibre for backs and scatters. Polyester fibre is light and soft but has no resilience, so a fibre-filled seat flattens and goes lumpy within one to two years of family use and cannot be reshaped. High-resilience foam of 35 kilograms per cubic metre keeps its height for a decade. A foam seat with a fibre or feather wrap gives the soft look of fibre with a core that lasts.
Daily plumping is normal for a pure feather seat, which is exactly why we do not recommend pure feather for seats. Feather has no structure of its own, so every sit compresses it and only plumping restores the shape. A back cushion that gets a quick fluff when you stand is fine. A seat you have to rebuild every morning is telling you it needs a foam core under the feather wrap, which brings plumping down to about once a week.
Quills poke through because the ticking, the inner bag that holds the feather, has worn or was never tightly woven enough. Broken quills are sharp and work through loose weave, then through the cover above it. Recovering the cushion does not fix it, as the quills simply work through the new fabric. The fix is a new insert in proper down-proof cotton ticking, or a feather-wrapped foam insert where the wrap is sewn in down-proof cloth.
Feather is a natural fill with a small oil content, and when it absorbs moisture that oil gives off a sour, slightly farmyard smell. Old fill that has broken down to dust holds more moisture than fresh feather, so a smelly cushion is usually a flat one too. It is worst on cold, wet days in a room that is rarely heated. New sterilised fill in fresh ticking, plus an occasional hour in the sun, resolves it. A musty smell across the whole lounge is a different problem.
For most people, no. The reaction people notice is usually to dust mites living in old, damp fill rather than to the feather itself, and new sterilised feather in tightly woven down-proof ticking is a large improvement. For a household with a confirmed feather allergy we build the same cushion with a polyester fibre wrap over the Dunlop HR35 foam core instead, which keeps the rounded, full look without any feather in the house.
It depends on what we find when we open them. If the ticking is sound and most fill is whole feather, the insert can be reused and topped up. If the fill has gone to dust or the ticking leaks, a new insert is needed: pure feather for backs and scatters, a channelled feather wrap over a Dunlop HR35 foam core for seats. We tell you which before work starts, and confirm when we quote whether the refill is done at our bench or through our feather supplier.
Yes, and it is one of the most common cushion jobs we see, especially on modular lounges where the seats are fine but the backs have flattened. The backs are refilled or re-wrapped, the ticking replaced if it leaks, and the seats left alone. If the backs have a foam insert with a collapsed fibre wrap, the wrap is swapped for feather so the back holds a shape instead of slumping into the seat.
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