
There is one line in the coverage of Cinderella Deep that is doing more work than the rest of the project put together, and most readers will skim past it. Yellowtrace reports that the clay-rendered walls in this two hundred square metre Redfern workspace by Geller Studio are "engineered to oxidise, tracking the passage of time and use instead of resisting it."
Engineered to oxidise. Somebody wrote that into a specification, and somebody else signed it.
We want to be clear about what that means, because it is not a mood board decision and it is not a photograph. It means that on the day of practical completion the walls are the lightest they will ever be, and that every hand, every shoulder, every dragged chair back and every winter of humidity will be visible, permanently, in a room that people are paying to work in. It means somebody had a conversation about the difference between a finish that ages and a finish that fails, and then had a second conversation, harder than the first, about who gets called when the client decides they preferred the light version.
Most projects lose that argument. Most projects arrive at the same instinct, get as far as the maintenance schedule, and then quietly seal everything, and the room ends up looking raw and behaving like laminate. So it is worth naming the ones that hold the line.

The rest of the palette is consistent with that decision, which is what makes it convincing rather than decorative. The ceilings were cast off-form, and their texture was pulled from custom silicone moulds developed with Bishop Master Finishes rather than, in Yellowtrace's phrase, "left to chance." A lattice screen of reclaimed heritage brick filters light into the bathroom without giving up privacy. Sculptural beams hide the air-conditioning while doubling as acoustic control, which is the least glamorous sentence in the whole write-up and probably represents the largest number of hours.
Notice the pairing there, because it is the actual idea. The render is being allowed to change. The ceiling is not. Off-form concrete is a controlled accident: you can leave the texture to the formwork and the crew and the weather that day, or you can develop a mould and take command of the accident before it happens. Geller Studio did the second thing to the ceiling and the first thing to the walls, which means this is not a project about roughness. It is a project that has decided, surface by surface, which parts of the building get to keep a record and which parts have to behave.
Getting that split right is most of interior architecture. Everything cannot be alive. A room where every material is recording time is not honest, it is exhausting, and it reads as a set. You want one or two surfaces carrying the history and everything else holding still, so the change registers as change rather than as noise.

The joinery is where the project declares its allegiance. Yellowtrace describes Sublime Custom Cabinetry translating "Donald Judd's Marfa-honed geometry into rich, sculptural joinery," anchored by a nearly eight metre walnut bar table built for meetings and wine and conversations that run long. Naming Judd is a risk, because Judd is invoked in roughly one interior a week and almost always means "we made a box." Judd's furniture is not about boxes. It is about a rule being applied without exception until the rule becomes the thing you notice, which is exactly why so much Judd-adjacent joinery falls apart under examination: it borrows the silhouette and abandons the discipline at the first awkward corner.
A nearly eight metre table survives that test better than most objects, because eight metres of anything is a sustained argument. You cannot fudge it in the middle. And it does the social work too, which is the part Judd was never especially interested in: a table that long forces a group to sit along it rather than around it, and to talk sideways, and to stay.
The name carries the same weight. Cinderella Deep was a nineteenth-century goldmine in South Africa, in the founder's hometown, and Yellowtrace notes that "cinder," the ash-born fragment left after a fire, is doing symbolic work about gathering and starting again. The space runs on Ubuntu, the philosophy of "I am because we are." All of which could be a brand deck, and often is. Here it is at least legible in the fabric: an oxidising wall is a fairly literal argument that the people using a room should be able to see that they used it.

Valeria Geller came through RCR Arquitectes in Barcelona, MORQ in Perth and YSG Studio in Sydney, which is a lineage you can read in the work without anyone having to point at it, and her studio describes its process as "Architecture, interiors and objects. Designed as one." That claim is cheap to make and expensive to execute, and the tell is usually the bathroom, where budgets go to die. Here it holds: a custom floating galvanised mirror, a pair of rare Pierre Disderot sconces, high-gloss Tuscan Glow surfaces behind them.
None of this is a new idea. Concrete has been keeping receipts since the Romans, and the Japanese have a whole vocabulary for surfaces that improve by being used, and half the buildings we love are loved for damage. What is unusual is doing it on purpose, in a commercial fit-out, in 2026, with a client who has to be told that the wall will not look like this next year. That is the hard sell. It is also the only version of "raw" that is not a costume.
Ten years from now the render in that room will be a different colour, and it will be a different colour in a pattern nobody drew, mapped to where people actually stood, and every version of that pattern will be correct.
Sources & Credits
- Team Yellowtrace, "Inside Cinderella Deep, Geller Studio's Raw and Ritualistic Redfern Workspace.", Yellowtrace, 27 July 2026. https://www.yellowtrace.com.au/geller-studio-cinderella-deep-redfern-workspace-australian-interior-design/
- Project: Cinderella Deep, Redfern, Sydney. Architecture, interiors and furniture by Geller Studio (Valeria Geller). Client: Cinderella House. Ceiling moulds and finishes: Bishop Master Finishes. Joinery: Sublime Custom Cabinetry. Upholstery: Dusty Road. Leather: NSW Leather Co.
- Photography: Anson Smart, via Yellowtrace, https://www.yellowtrace.com.au/geller-studio-cinderella-deep-redfern-workspace-australian-interior-design/
- Styling: Joseph Gardner. Images courtesy of Geller Studio.