Kaya + Partners

Istanbul · Waterfront Mansion

Istanbul Waterfront Mansion (Yali) Design

Ankara-based Kaya + Partners undertakes the interior architecture and restoration of historic timber waterfront mansions (yali) along the Istanbul Bosphorus. We do not maintain a physical office in Istanbul; we run the process through remote project management, scheduled site visits, and coordination with a local implementation team. In Bebek, Kandilli, Emirgan, Kanlica, Yenikoy, Cengelkoy, and Arnavutkoy we create yali interiors that preserve the building's historic fabric, marry it with modern comfort, and place the Bosphorus view at the center. Here every decision is made within the framework of the conservation board, in a way that enhances the value of the building.

A Restoration Approach That Protects Heritage Value

A yali is not an ordinary residence but, in most cases, a registered cultural asset; our first task is to document the existing structure and decide what will be preserved. We identify the original timber skeleton, the central hall (hayat), ceiling rosettes, lath-and-plaster (bagdadi) work, and period details one by one, while clearing away later additions that burden the building. In the registered yalis of Bebek and Kandilli, the goal is to make the building livable for today without erasing its historic identity. For us, restoration is not imitating the old; it is repairing the original and completing what is missing in a manner faithful to the period.

  • Survey, restitution, and restoration documentation of the existing structure
  • Preservation of the original timber frame, central hall, and period details
  • Removal of later additions that burden the structure
  • Completion of missing sections with period-faithful materials and techniques
  • A restrained, non-intrusive scheme that brings the building's historic identity to the fore

Conservation Board and Protected-Site (SIT) Process Management

Yalis within the Bosphorus foreshore zone fall under the strict oversight of the Regional Board for the Conservation of Cultural Assets and Bosphorus zoning legislation; no intervention can be made without permission. We structure the project from the outset around the board's expectations, preparing the restoration report, intervention drawings, and material decisions in compliance with approval requirements. In the registered buildings of Yenikoy and Emirgan, which facade element is preserved and which addition may be removed depends on the board's ruling; we base the process on legislation, not on guesswork. In this way we proceed with an approvable project, without pitting the design vision against the reality of the board.

  • Restoration report and intervention drawings compliant with conservation board approval
  • Facade and silhouette decisions in line with Bosphorus foreshore/protected-site legislation
  • Distinction between elements to be preserved and renewed based on registration status
  • Implementation faithful to the approved project — avoiding later penalty and stop-work risk
  • Coordination between the board, the design author, and the implementation team

The Balance Between Historic Fabric and Modern Comfort

Preserving the historic spirit of a yali does not mean living in a cold museum; we place the comfort the owner expects inside without disturbing the period fabric. We invisibly conceal underfloor heating, hidden air-conditioning ducts, smart-home infrastructure, silent plumbing, and modern kitchen-bathroom solutions within the timber frame. In the yalis of Cengelkoy and Kanlica, we establish contemporary living beneath the original timber ceiling, hiding the technology behind the detail. The aim is that when you step through the door you are in a historic yali, while living in the comfort of today.

  • Underfloor heating and concealed-duct air conditioning — comfort without disturbing the period fabric
  • Smart-home and silent-plumbing infrastructure hidden within the timber frame
  • Contemporary kitchen and wet-space solutions harmonized with historic ceilings and walls
  • Honest detailing that clarifies the visible boundary between the original and the new
  • A concealed, indirect lighting scheme that does not disrupt the period atmosphere

Bosphorus View and Waterfront Living

A yali's greatest value is its direct frontage onto the Bosphorus and life on the water; we build the design around this unique relationship. We orient the living spaces and the principal room toward the waterfront, inviting the view inside while preserving the tradition of the bay window (cumba) and wide windows of the past. In the yalis of Arnavutkoy and Bebek, we create a scheme that lets you experience the view of the opposite shore, the passing ferries, and the changing light differently at every hour of the day. We reassess yali-specific water elements such as the boathouse, quay, and sea bath, where present, as a natural extension of living.

  • Orientation of living spaces and the principal room toward the Bosphorus waterfront
  • Bringing the view inside through the tradition of the bay window and wide timber windows
  • A view scenario tuned to the opposite shore, ferry traffic, and changing light
  • Incorporation of the boathouse, quay, and sea bath into daily living
  • A restrained interior palette that highlights the view, with a furniture line that does not block it

Sea Moisture, Salt, and Timber Protection

On the Bosphorus shore, the greatest enemy of a timber yali is constant moisture, salty air, and proximity to water; timber that is not properly protected rots, becomes worm-eaten, and warps. We protect the original timber with impregnation, breathable preservatives, and period-appropriate oil-varnish systems, and replace decayed elements with sound timber of the same species. On the waterfront, we separate the underside and basement of the building from moisture with proper insulation, drainage, and ventilation. In yalis close to the water level, such as those in Yenikoy and Kandilli, this means a building that does not merely look beautiful in the first year, but stands sound for decades.

  • Impregnation, breathable preservatives, and period-compatible oil-varnish on the original timber
  • Replacement of decayed elements with sound timber of the same species
  • Moisture insulation, drainage, and basement ventilation on the waterfront
  • Selection of salt-air-resistant metal and exterior details
  • Solutions that ease regular maintenance and give the building long life

Remote Process and Site Coordination from Ankara

Yali owners are often in another city or abroad; we structure a sensitive process like restoration to be run remotely and transparently from the start. We have no physical office in Istanbul; our base is Ankara. We advance the project through scheduled site visits, digital and laser measurement, photorealistic 3D presentation, video tours, and an online approval flow. We coordinate the correspondence with the conservation board and the on-site restoration and implementation team, reporting every stage regularly with visuals. In this way, even if you are out of town, your yali is brought to life true to its original, board-approved, and supervised.

Frequently Asked Questions

Common questions about your interior design project

  • Do you have an office in Istanbul, and how do you run a yali project?

    Our base is in Ankara; we do not have a physical office in Istanbul. We run yali projects through remote project management, scheduled site visits, digital and laser measurement, photorealistic 3D presentation, and online approval via video tour, with the coordination of the local restoration and implementation team on site. You work with a single point of contact, while we supervise the design, the conservation board process, and implementation end to end.

  • I am abroad; can we run the restoration process without my seeing the yali in person?

    Yes. We designed the process specifically for out-of-town and overseas owners to be run remotely: with digital measurement, photorealistic 3D visuals, video tours, and online approval steps, you can make every decision remotely. During scheduled site visits we supervise the measurement, restoration, and implementation, and share progress regularly with visuals.

  • The yali is registered; do you handle the conservation board permits?

    Yes. Yalis within the Bosphorus foreshore zone are under the oversight of the Regional Board for the Conservation of Cultural Assets, and no intervention can be made without permission. We prepare the survey, restitution, and restoration documentation, the intervention drawings, and material decisions in compliance with board approval; we structure the process to be approvable from the outset and coordinate the correspondence with the board. In this way we avoid later stop-work and penalty risk.

  • What do you do against moisture and salt in a waterside timber yali?

    Constant moisture, salty air, and proximity to water are the greatest risk for a timber yali. We protect the original timber with impregnation, breathable preservatives, and period-appropriate oil-varnish systems, and replace decayed elements with sound timber of the same species. On the waterfront, we separate the building from water with proper moisture insulation, drainage, and basement ventilation. The aim is to keep the building sound and well-maintained for decades.

  • How do you add modern comfort without disturbing the historic fabric?

    We invisibly conceal underfloor heating, hidden air-conditioning ducts, smart-home infrastructure, and silent plumbing within the timber frame. We create contemporary kitchen and wet-space solutions harmonized with the original timber ceiling and walls. We clarify the boundary between the original and the new with honest details and hide the technology behind the detail; so you step into a historic yali through the door, yet live in the comfort of today.

Let's talk about your yali on the Istanbul Bosphorus.

If you are planning the restoration or interior architecture of a historic yali in Bebek, Kandilli, Emirgan, Kanlica, Yenikoy, Cengelkoy, or Arnavutkoy, get to know Kaya + Partners. The first consultation is free; it includes a scheduled site visit, 3D presentation, conservation board process management, and a remote approval flow.