Office25Architects

Office25Architects OFFICTETWENTYFIVEARCHITECTS is an architectural practice based in Greece (Thessaloniki and Athens) and Dusseldorf, Germany.

OFFICETWENTYFIVEARCHITECTS is an international based group of architects operating within the fields of architecture, design and development. The office was set in Thessaloniki (Greece) in 2003 and deals with architecture, urban and landscape design. Today, we have offices in Thessaloniki, Athens, Crete London U.K. We provide our clients with a wide variety of architectural services of all kinds

and scales. OFFICETWENTYFIVEARCHITECTS has been awarded with prizes, distinctions and honorable mentions in a variety of competitions about architecture, urban and landscape design, industrial design, street furniture, public space design small-scale ephemeral structures etc. This is what keep us fresh and up to date.

An architecture defined by lines and light.Throughout the day, the residential complex reveals different expressions of ...
18/06/2026

An architecture defined by lines and light.

Throughout the day, the residential complex reveals different expressions of the same architectural idea. As natural light changes, the interplay between the white balcony railings and the anthracite recesses continuously reshapes the perception of the façade.

The project relies on a carefully controlled contrast of materials and colors, allowing horizontal elements to remain the dominant visual feature while reinforcing the overall unity of the composition.

A design approach where light becomes an active part of the architectural experience.

Explore more residential projects on our website.

Designing unity through repetition.Located in Thermi, Thessaloniki, this residential complex was conceived as a composit...
16/06/2026

Designing unity through repetition.

Located in Thermi, Thessaloniki, this residential complex was conceived as a composition of three buildings that visually operate as a single architectural entity.

The design follows the geometry of the plot, allowing the individual volumes to become part of a larger architectural gesture.

Through careful alignment and a consistent design language, the
project establishes a sense of continuity that extends across the entire development.

Rather than emphasizing the individuality of each building, the composition focuses on creating a coherent residential identity defined by balance, rhythm, and visual unity.

Visit our website to discover more projects.

Detail as an integral part of the architectural composition. In this Porto Rafti residence, structural elements are not ...
11/06/2026

Detail as an integral part of the architectural composition.

In this Porto Rafti residence, structural elements are not concealed, they become part of the architectural identity itself. The cable system introduces a sense of tension, rhythm, and direction, reinforcing the geometric purity of the composition while emphasizing the relationship between structure and form.

Combined with the clean monolithic volumes and sharp linear transitions, the detail creates a sculptural architectural gesture that changes constantly through light and shadow. Rather than functioning as decoration, every connection and structural line contributes to the visual balance and clarity of the residence.

The project reflects an architectural approach where precision in detailing becomes essential to the overall experience.

Contact us to bring your project to life.

Living spaces designed through openness and flow. The interior architecture of the Porto Rafti residence is organized th...
09/06/2026

Living spaces designed through openness and flow.

The interior architecture of the Porto Rafti residence is organized through an open-plan logic that reinforces flexibility, natural flow, and visual continuity between the living, dining, and kitchen areas. Private functions are carefully separated, creating a balanced relationship between communal and intimate spaces.

Material selections and spatial proportions contribute to a calm and refined atmosphere, while large openings allow natural light to define the experience of the interior throughout the day. The design prioritizes comfort, functionality, and simplicity, creating living spaces that connect to their surroundings.

Visit our website to discover more projects.

Designed around the rhythm of Mediterranean living. The outdoor spaces of the Porto Rafti residence are conceived as a n...
04/06/2026

Designed around the rhythm of Mediterranean living.

The outdoor spaces of the Porto Rafti residence are conceived as a natural extension of the interior architecture, creating a seamless transition between indoor and outdoor living. Pergolas, shaded lounges, and open terraces are carefully integrated into the composition, responding to the Mediterranean climate while encouraging everyday interaction with light, air, and landscape.

Throughout the day, natural light reshapes the atmosphere of the residence, from the soft morning reflections across the patios to the quieter evening ambience surrounding the pool and exterior living areas. The project balances openness with privacy, allowing architecture and landscape to coexist through a refined and contemporary design language.

Explore more residential projects on our website.

An architectural composition shaped through contrasts. Designed in Porto Rafti, near Athens, this private residence expl...
02/06/2026

An architectural composition shaped through contrasts.

Designed in Porto Rafti, near Athens, this private residence explores the relationship between solidity and openness through a carefully balanced architectural composition. Distinct geometric volumes are arranged to create depth, rhythm, and spatial hierarchy across the façade, while clean linear elements reinforce the clarity of the overall form.

Natural light interacts continuously with the monolithic surfaces, allowing shadow and proportion to redefine the character of the residence throughout the day. The result is a living environment where architectural precision meets a calm and timeless spatial experience, fully connected to its surrounding landscape.

Discover the full project on our website.

Two residences. One architectural languageDesigned as independent living spaces, the two buildings remain visually conne...
28/05/2026

Two residences. One architectural language

Designed as independent living spaces, the two buildings remain visually connected through an extensive pergola that unifies the composition and creates covered outdoor experiences.

Geometric purity, natural materials and simple forms define a project where balance is created between privacy and connection, structure and openness.

Architecture designed around the way people live.

Panorama, Thessaloniki
600 m² | On Drawing Board

Explore the architectural approach behind the project on our website.

Geometry integrated into the landscape Two independent three-level residences in Panorama, Thessaloniki, designed to emb...
26/05/2026

Geometry integrated into the landscape

Two independent three-level residences in Panorama, Thessaloniki, designed to embrace the city and sea views through orientation, openness and simplicity.

Clean lines, large openings and an honest material approach shape an architectural composition where minimalism is not just an aesthetic choice, but a way of creating experience.

Designed to frame light, views and everyday living.

Panorama, Thessaloniki
600 m² | On Drawing Board

Explore more projects through the link in bio.

23/05/2026
Architecture Shaped by AtmosphereThe architectural approach for the Elysium Blue Beach Resort focused on creating spaces...
22/05/2026

Architecture Shaped by Atmosphere

The architectural approach for the Elysium Blue Beach Resort focused on creating spaces defined by clarity, comfort and spatial balance.

A restrained material palette, integrated lighting and clean architectural volumes allow atmosphere to become the central element of the experience.

Across both interior and outdoor areas, water elements, open lounge spaces and seamless spatial flow create an environment that feels calm, refined and naturally connected to the coastal landscape.

Discover more contemporary hospitality projects at ➡️ www.o25.gr/

Address

Λεωφόρος Μεγάλου Αλεξάνδρου 9
Thessaloníki
54640

Telephone

+302310244114

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