Ankara Office Tower by Anmahian Winton Architects

An efficient use of curtain wall and wood louvers

Project Specs


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The Ankara Office Tower is a fourteen-story office building in Ankara, Turkey, that serves local and international high-tech companies engaging with leading universities and research institutes in the nation’s capital.

▼大楼外观,exterior view



Urbanistically, the project plays an important role in a rapidly developing area west of Ankara’s old city center, knitting together a transit corridor, a pedestrian underpass, an emerging mixed-use neighborhood, and new commercial areas. In response to this immediate context, the building is set back from the highway, making space for a bamboo grove that buffers a habitable urban garden and provides a much-needed pedestrian connection between the transportation node and the adjacent neighborhood. The tower itself is distinguished by clarity of expression: a simple, geometric glass volume encasing a stack of large scale, horizontal louvers, set in a lush landscape.

▼线条简洁的玻璃体量,a simple, geometric glass volume

▼立面由一系列宽阔的横向窗格构成,the volume encases a stack of large scale, horizontal louvers


At the ground level, the lobby, reception, and a café provide public spaces which scale, enclosure, and use of light reference regional culture. A perforated exterior screen surrounds the café, reflecting traditions for guiding views and creating privacy, and providing a man-made counterpart to the adjacent, semitransparent bamboo “wall.”

▼位于一层的咖啡厅由镂空的外墙围合,a perforated exterior screen surrounds the café

▼墙面细部,detail of the perforated screen

▼镂空的外墙在引导视线的同时为空间带来私密性,the screen reflects traditions for guiding views and creating privacy



▼一层公共空间,public area on the ground floor


The Tower’s innovative cladding system employs horizontal exterior mullions with a variable section, to maximize year-round operational efficiency. Their subtly inflected profiles successively shift as they wrap the Tower, creating a pattern that changes depending on the viewer’s perspective. Interior wood louvers integral to the curtain wall—mechanically operated but with manual overrides—give tenants individual daylight control within their workspace. They mitigate glare, admit indirect light, and maintain views, while introducing wood’s warm, textural qualities to the office environment.

▼室内的木制百叶窗成为玻璃幕墙的一部分,interior wood louvers are integral to the curtain wall


▼木制百叶窗可根据光照需求进行手动操控,the wood louvers can be operated with manual overrides to give individual daylight control


The outcome is a kinetic facade system that is environmentally responsive, satisfies the workplace preferences of a demanding tenant cohort, and enhances the project’s architectural impact and influence in a newly expanding area of the city. Over the course of the day and as one moves around the building, this innovative wall assembly produces a transformative effect, drawing the observer in and evoking curiosity. As wood louvers open or close according to interior needs, the Tower itself appears either permeable or reflective, revealing patterns of use and activity within.

▼立面略带弯折的线条交替变化,随观察者的不同视角呈现出不同纹理,the subtly inflected profiles of the cladding system create a pattern that changes depending on the viewer’s perspective

▼立面细部,detail of the facade

Project Team
Owner: Dolphin Overseas
Design Architect: Anmahian Winton Architects
Design Structural Engineer: Richmond So Engineering
Design MEP/FP: Buro Happold
Architect of Record: RGGA Architects
Civil, MEP/FP & Structural Engineers of Record: Yapi Proje Uygulama
MEP/FP & Tel/Data Associate Engineers: MPM, Troy, PMT
Landscape Architect: Stoss
Owner Project Manager: BHP International—Barnard Howell Partnership
Contractors: Tepe-Tesan Joint Venture, AECOM
Façade Contractor: Pimeks Group
Photographers: ©Florian Holzherr ©Anmahian Winton Architects

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