Walnut sets the tone as soon as you enter. The grain returns in the kitchen, the living room, the staircase and the wine storage, while white fronts and stone surfaces keep the composition clear. In this walnut custom interior, the material does not sit in one room or one function; it runs through the house as a measured line, picking up daylight from the large windows and reflecting it back in different ways.

A kitchen built around walnut, white fronts and stone

The kitchen places walnut wall cabinets above a run of white lower fronts, so the heavier material rises off the floor and the base stays visually light. A stone countertop island sits at the centre and gives the room a harder edge. From the seating side, the island reads as a place to stop and gather; from the working side, it connects directly to the tall storage wall, where appliances and niches are built into the joinery instead of standing apart from it. This custom walnut kitchen with white fronts is organised with straight runs, but the stone and wood prevent it from feeling flat.

Small shifts in finish do a lot of work here. The white fronts have a soft matt surface, while the walnut keeps its visible grain. That contrast is repeated in the upper cabinets, the island and the adjacent stone worktop zones, so the eye moves from one material to the next without a break. Behind the sliding doors, the utility space adds a second working surface, which keeps the main kitchen clear when cooking takes over the room.

Stone surfaces that hold the centre of the room

The island is more than a standing block in the middle of the space. Its granite top gives the kitchen weight and anchors the open plan beneath the broad openings and high daylight. Around it, the cabinetry stays restrained: walnut above, white below, with fitted niches and integrated appliances in the tall wall units. The result is practical without becoming busy. The stone countertop island kitchen becomes the visual centre, while the joinery carries the storage quietly around it.

Curved lines from the spiral staircase

The staircase interrupts the straight cabinet lines with a strong turn. Its curved form, wooden treads and white surrounding walls create a clear change of pace in the middle of the living area. A slim LED line traces the wall and sharpens the edge of the stair volume after dark. Seen from the kitchen, the staircase is not hidden in a corner; it stands in view and brings movement into the open room. The spiral staircase with LED line is one of the few elements that breaks the orthogonal layout, and that is exactly why it works.

At the base, the rounded wall opening softens the transition between floor levels. The white surface wraps around the stair while the timber steps keep the connection to the rest of the interior. It is a simple move, but an effective one: the stair reads as part of the joinery language rather than as a separate object. That continuity also helps the walnut custom interior feel coherent from one viewpoint to the next.

Living room storage that stays in the architecture

In the living room, walnut reappears in lowboards, open shelving and built-in cabinet walls. The storage does not sit like a row of boxes against the wall. It is set into the room with open compartments, closed fronts and narrow frames that guide the eye across the length of the space. Travel souvenirs and objects can sit in the open niches, while the closed sections keep the larger surfaces calm. The walnut built-in cabinet wall living room ties the seating area to the kitchen without repeating the kitchen layout too literally.

Daylight changes the reading of the cabinets throughout the day. Near the large glazing, the wood comes across lighter and more reflective; further in, the same walnut turns darker and more graphic. That shift suits the measured geometry of the room, where straight lines and square openings are broken only by the stair and the occasional recessed light. The result is controlled, but not stiff.

Open niches, closed storage and long sightlines

The wide openings between the living area and the adjoining spaces allow the cabinet wall to be seen from several angles at once. Open niches interrupt the walnut fronts and keep the composition from becoming a solid block. In some places, lighting is tucked into the joinery itself, so shelves and recesses are readable even when the natural light drops. That attention to the internal structure of the cabinetry gives the room depth without requiring decorative excess.

Bathrooms with stone texture and a softer surface underfoot

The bathrooms move away from the sharper kitchen language. Microtopping on the floor and cabinet surfaces gives the rooms a more even, organic finish, while stone-look wall surfaces in the shower and toilet zones add pattern and density. The marble-look bathroom with microtopping is not overloaded with fittings; instead, the surfaces do most of the work. A glass shower partition keeps the wet area open, and the freestanding tub sits in front of the larger stone wall like a quiet counterpoint to the more enclosed shower corner.

Upstairs, the second bathroom uses black natural stone tiles and a white vanity to catch the light from the room’s window. The darker tiling pulls the space inward, but the white furniture stops the room from feeling heavy. Mirrored storage and integrated lighting are built into the wall, so the basin area remains clean and usable. Across both bathrooms, the palette stays close to stone, white and a restrained timber accent, which keeps the shift from one level to the next easy to read.

A wine storage wall designed as part of the interior

The wine collection asked for its own structure, and the answer was a custom wine storage wall in walnut. Instead of treating the bottles as something to hide away, the design turns the storage into a composed wall of niches, compartments and visible racks. In the wine cellar, the walnut joinery is organised almost like a display cabinet, with round openings and divided bays that make the stored crates part of the image. The built-in elements sit flush and ordered, so the room feels planned rather than improvised.

Oak veneer niches sit within the larger walnut composition and add another layer of texture. They almost read like part of the original construction, even though everything is measured and made to fit. That is where the project is strongest: the same material logic returns in each room, but it changes scale depending on use. The kitchen handles everyday work, the living room stores books and objects, the bathroom switches to stone and microtopping, and the wine room gives the cabinetry a more deliberate, almost archival role. Together they form a walnut custom interior that stays consistent without becoming repetitive.

Photography — Evenbeeld