Light catches first on the lime plaster walls, then on the dark oak panels and the polished oak floor. The rooms are arranged around that quiet contrast. A serene penthouse interior emerges through a restrained material palette, with integrated lighting, concealed switches and long lines that let the art collection sit naturally in the space. Nothing here relies on showy moves; the architecture works by keeping surfaces calm and by letting each opening, niche and cabinet run through with precision.

Two penthouses, one continuous interior

The main design task was to merge two separate penthouses into a single interior with one clear reading. That is visible in the way the finishes repeat from room to room: lime plaster on walls and ceilings, smoked oak panels and cabinetry, and a floor treatment that keeps the eye moving without interruption. Door openings and built-in elements sit flush, so the plan reads as a sequence rather than a set of isolated rooms. The effect is quiet, but it depends on a dense layer of decisions at every junction.

Integrated lighting follows those junctions closely. Recessed spots sit within flat ceilings, while switches are treated as part of the wall rather than as separate objects. In several views, blinds draw thin bands of light across the plaster, turning the wall plane into a visible timekeeper as the day changes. That pattern softens the harder edges of the cabinetry and also gives the serene penthouse interior a clear sense of depth without adding visual noise.

Material shifts that stay within one palette

The palette remains limited, yet each material is allowed to do a different job. Old Flemish oak parquet and polished oak floors ground the rooms with a warmer tone, while smoked oak panels and cabinets absorb light and define storage volumes. Special lime techniques were applied to walls, ceilings and cabinets, which keeps the surfaces coherent without making them flat. The result is not about contrast for its own sake; it is about keeping the same room legible as it moves from one function to another.

In the kitchen, natural stone and wood meet in a straightforward way. A stone worktop sits against timber fronts, and the stainless steel details stay visually lean. The images show a kitchen that holds its tools and appliances inside the wall line, with niches and concealed zones keeping the working part of the room under control. Because the room is so light, those darker cabinet faces and metal accents have a stronger architectural role than decorative one. They mark the working surfaces.

A kitchen that opens toward light

Blinds and lamellae are more than a filter here. They carve the daylight into stripes that land on the walls, the sink zone and the stone countertop. In the same views, the ceiling remains plain, with openings for recessed fittings and a few precise transitions around the joinery. That combination gives the kitchen its order. The eye can move from the window treatment to the stone surface, then to the wood cabinetry, without being stopped by unnecessary joins or ornament.

Close details make the material sequence clearer: a stainless steel tap, a stone edge with a subtle profile, and a recessed appliance zone framed by wood. These are the elements that keep the serene penthouse interior from feeling abstract. The room is precise where it needs to be, but the finishes stay quiet enough to support the larger composition. The same approach appears in the built-in storage, where continuous fronts avoid breaking the wall into smaller, competing parts.

Dining around a travertine surface

The formal living and dining area is anchored by a solid travertine dining table. Its stone mass gives the room a centre, especially against the lighter plaster and the oak floor. Rather than hovering as a decorative object, the table holds the plan together between sitting, dining and movement routes. Around it, the room stays open and measured, with long sightlines that let the art walls and the joinery remain visible at once.

Those sightlines matter because the collection is part of the architecture. Framed works are protected with UV-protective art glazing, which keeps the display visually calm and technically discreet. The frames read against the plaster surfaces and the pale light, while the glazing avoids the glare that would otherwise interrupt the room. The effect is measured and deliberate: the art is not staged separately, but held within the same language of materials, light and proportion.

Built-ins that disappear into the wall line

Custom built-in cabinetry runs through the interior with few interruptions. Open niches, closed volumes and flush fronts are treated as one system, which helps the joined penthouses read as a single addressable space. In the images, this is clearest where a wall of storage carries open shelves next to concealed zones, or where a narrow passage ends in a darker timber panel rather than a blank void. The joinery does not announce itself; it organizes the room and keeps the surfaces continuous.

That continuity is especially important around the art walls. The lime plaster gives those walls a slightly soft grain, while the cabinetry stays cleaner and denser. Together they create a backdrop that can absorb framed works, reflections and moving daylight without losing definition. The attention to integrated details is visible in the switches, ceiling openings and hidden transitions that sit almost level with the surrounding finish. These are small moves, but they determine how calm the interior feels in use.

Rooms that keep the same language

The layout also includes a spacious primary bedroom with an ensuite bathroom, and in the second apartment a guest room and a Salon Maritime. The Salon Maritime introduces a different register through dark-patinated stainless steel and light oak. Even there, the palette stays controlled. The metal reflects less than polished chrome would, so the room feels anchored rather than flashy, while the pale oak keeps the darker surfaces from closing in. It is a distinct room, but still part of the same interior sentence.

Across the penthouse, the finishes repeat with slight changes in emphasis: plaster, oak, stone and steel. The sequence moves from brighter rooms with direct daylight to more enclosed zones where the ceiling spots and wall surfaces do the work. Because the materials are so carefully limited, every edge, niche and panel line becomes visible. That clarity is what holds the serene penthouse interior together. It gives the collection, the furniture and the circulation paths one shared frame, from the kitchen to the dining area and onward to the more private rooms.

Photography: BASEPHOTOGRAPHY