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Sofia, “James Bourchier” str. No73
"Bigla ІІІ” LTD
400 m²
Functional type:
Residential interior
In progress
Photography / 3D:
Cast Studio

The luxury residential building B73, rising 7 floors above the ground, instantly stands out from others with its futuristic design, that suits a modern housing. Maisonette 73 located on the sixth and seventh floor in the residential building, is a one of a kind apartment. The interior is created with great attention to detail, scrupulous choice of materials from a higher class, and parametric elements. The luxury housing consists of living room, kitchen, three bedrooms with private bathrooms, and an outdoor terrace, revealing a 360 degrees panorama view to the capital.


The first floor of the maisonette offers a wide open space, with a focus on a spiral-forming stairway sculpted by parametric design, smoothly flowing into a fireplace in its lowest part. Connecting the two levels of the apartment with an open green terrace, the stairway becomes a central point in the spacious first floor, which is covered with a soft combination of chocolate oak and matte white corian. This central connection creates a vertical direction of movements through the living area.

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Relax zone

The space is a combination of style and comfort, crafted with high-end materials such as stone and chocolate oak in dark nuances. The olive green tint increases the feeling of coziness due to the welcoming nature of the chosen tone, the designed lighting composition spreads over the relax area and the dining space, in harmony with the futuristic image of building B73.


Looking through the living room takes us to the bright kitchen, glazed with high panorama windows, coloured in warm tints in walnut and Nero Marquina stone. The height of the space is double the body of the kitchen with two majestic columns holding up the ceiling, exclusively designed by our studio. The dark gap on the column smoothly continues along the ceiling and opens up into a beautiful shape. To compliment the ceiling and brighten up the kitchen, 100 crystal lights descend airily, forming into a parametric wave.

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Office space

The stairway takes us to the upper floor of the maisonette, where we can find the office space. The design consists of Japanese volcano stone and matte oak. The position of the room is quite pleasing as it is open to the rest of the apartment, while at the same time having it’s own personal space. The working space is enlightened by aside light from the low row windows preventing sunlight to interfere the working progress as the beautiful city view contributes to an owner’s wellness and comfort.


We place high importance in the bedrooms in the luxury maisonette to owning their personal space and identifying with their owners. A more modern approach as been applied in each bedroom - an open bathroom through the night zone.

The guest room is situated on the first floor with a design of minimalism, combining soft colours and decorative moss element. A successful combination of dark and light tones with a smoothness of walnut is attached to the design of the master bedroom. The children’s bedroom is coloured brighter as well as the bathroom. The wall on the back of the bed is covered with velvet upholstery. For maximum comfort, the desk is movable and can be situated in any location the owner would prefer.

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