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At Cocoplum Wellness Design Studio, we design interiors that nurture wellbeing. Based in Sydney, Australia, our founder Ozge Fettahlioglu leads our specialist team.



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Interior comparison of two Barangaroo luxury apartments. Text overlay reads: The harbour view did not carry it. It exposed everything. Price comparison showing $8,000 per week versus $3,000 per week. By Ozge Fettahlioglu, Cocoplum Design Studio.

A regular person walks through some of the most expensive apartments in Sydney. Barangaroo. Crown Residences. Harbour views that should sell themselves.

Her verdict on the $8,000 apartment:

“It felt a bit masculine… it was lacking coziness. It didn’t feel cozy. I wasn’t feeling it.”

Her verdict on the $3,000 apartment:

“That, ladies and gentlemen, was my favorite place of them all. I preferred it over the $8,000 one.”

She is not a designer. She cannot tell you what FF&E stands for. She has never heard the word neuroarchitecture in her life.

She just knew.


What the nervous system knows before the conscious mind does

This is what neuroarchitecture has been proving for two decades. People do not evaluate a space with their eyes. They evaluate it with their nervous system. Texture. Light quality. The weight of furniture. The coherence between materials. The feeling of arrival when you walk through a door. These are not preferences. They are neurological signals processed in milliseconds, long before the conscious mind forms an opinion.

The harbour view triggered awe. The room killed it.

At the $1,300 per week apartments she spotted the tiled floors, the underwhelming lobby, the artwork nobody thought twice about. Her words: “At that price point, if you pay $1,300 and something dollars per week, you could expect amenities and a fancy lobby and nicer artwork.”

She could not name the problem. But she felt every single decision that was made — or not made — in that specification process.

Poor FF&E does not just look wrong. It feels wrong at a biological level. It tells the nervous system that the space is not as generous as it claimed to be. That the promise was not kept. Guests cannot explain why they feel that way. But they act on it every time.


The expert view

I know what you are thinking. She preferred the cheaper apartment because she saw the price first. That reaction is exactly why I want you to watch the video yourself.

I watched it as someone who has spent years studying how the built environment affects human behaviour. The $3,000 apartment did not win because it was cheaper. It won because someone on that project made better decisions. Warmer material palette. Furniture with the right weight and proportion. A coherence between elements that told the nervous system this space was considered and worth being in.

The $8,000 apartment lost because someone in a procurement meeting decided the view would carry the experience. It did not carry it. It exposed everything the specification failed to deliver.

$5,000 a week in perceived value. Gone. Not because of the price. Because of the decisions made twelve months before she walked through the door.

This is what underspecified FF&E actually costs at the luxury tier. Not a line item. A verdict.


Watch the video

See the apartments for yourself: I Inspected Sydney’s Most Expensive Apartments in Barangaroo


Ozge Fettahlioglu is the founder of Cocoplum Design Studio, author of Designing for Health and Wealth: Architecture as a Compounding Mechanism (2026), and a lecturer at Western Sydney University, School of Engineering and Built Environment. She specialises in neuroarchitecture and biophilic design for luxury hospitality and residential assets.

For enquiries: info@cocoplum.com.au