Yıldız Posta Avenue Urban Transformation Analysis: Which Is More Profitable—Commercial Space or Residential?

The Strategic Location of Yıldız Posta Avenue in Gayrettepe

Yıldız Posta Avenue is one of the standout areas in Gayrettepe regarding commercial real estate potential. Key reasons for this include its proximity to connections with Büyükdere Avenue, Barbaros Boulevard, and the E-5 highway, as well as its location on a strategic transit route linking the Şişli–Mecidiyeköy axis to Barbaros Boulevard.

This locational advantage makes Yıldız Posta Avenue an area worthy of consideration, particularly for office use and commercial real estate investments.

Existing Office Stock in Gayrettepe and on Yıldız Posta Avenue

There are office buildings of varying qualities along Büyükdere Avenue in the Gayrettepe and Levent vicinity. Aside from new-generation projects such as Quasar Istanbul, Torun Center, and Istanbloom, older structures make up a significant portion of the region's office stock.

A similar picture applies to the office buildings and certain residential structures used as offices along Yıldız Posta Avenue. Yıldız Residence stands out as a notable exception in this regard. "Offis 16," located on one of the streets behind the avenue, can also be considered an example of newer construction.

Consequently, despite the region's transportation advantages, the quality and diversity of the building stock—specifically regarding its ability to meet modern office requirements—warrant further examination from an investment perspective.

Urban Transformation Potential on Yıldız Posta Avenue

The existing building stock on Yıldız Posta Avenue presents a significant opportunity for urban transformation and redevelopment projects in the near future.

There are reports suggesting that core samples taken from certain structures in the area have yielded results that fell short of expectations. However, it is important to note that such information must be verified through technical reports specific to each individual building.

The fundamental question in the urban transformation process is not merely the renewal of old structures, but rather determining which intended use for the renewed buildings would be the most economically rational choice.

Would a commercial real estate-focused urban transformation or a residential-focused one yield more efficient results on Yıldız Posta Avenue?

The answer to this question requires a comprehensive evaluation of factors such as land shares, zoning regulations, construction costs, saleable or leasable area, the target user demographic, and the expected return on investment.

Commercial Real Estate or Residential Project: Which is More Economically Viable?

Considering the area's current function and transportation links, the development of high-quality commercial projects on Yıldız Posta Avenue emerges as a strong alternative.

While the Levent section of Büyükdere Avenue hosts A+ segment plaza-style offices, the Esentepe corridor is characterized primarily by A and B+ segment office buildings. In contrast, options for buildings dedicated exclusively to office use are limited along Barbaros Boulevard. The inclusion of commercial units in a large-scale project currently under construction is also a development worth monitoring regarding the area's future commercial real estate supply. In this context, I believe that for a new project to be developed on Yıldız Posta Avenue, the region's demand for office space and its potential for commercial use should be analyzed in detail, rather than planning the project solely around residential use.

For a commercial project option to be economically viable, the following factors must be evaluated in conjunction:

Location and accessibility: The impact of proximity to Büyükdere Avenue, Barbaros Boulevard, and major transportation links on user demand.

Targeted office segment: Office standards (Class A or B+) that meet the region's needs.

Building features: Indoor parking, reception and security services, technical infrastructure, and efficient floor plans.

Leasing and sales potential: The needs of target companies, competing office stock, rental rates, and expected occupancy levels.

Investment economics: Construction costs, financing expenses, development timeline, saleable area, and expected return on investment.

Circumstances may also exist where a residential project proves more economical. Therefore, the correct decision should be based on a comparative feasibility analysis of both scenarios, rather than simply assuming commercial use is superior from the outset.

What Kind of Office Project Would Be Rational for Yıldız Posta Avenue?

In my view, the current location of Yıldız Posta Avenue and its transportation links—which are well-suited for office use—make the development of Class A or B+ office buildings a rational choice, provided they feature indoor parking, reception services, and meet modern technical standards.

However, the project's success will not be determined solely by the construction of a new building. Factors such as floor plan efficiency, the quality of common areas, parking capacity, energy efficiency, the expectations of corporate tenants, and total occupancy costs will also be decisive. Furthermore, before a decision is made to develop a commercial project, the vacancy rates of existing offices in the area, realized rental levels, tenant demand, and the features of competing projects should be examined. This makes it possible to determine whether the new supply truly addresses an unmet need.

Conclusion: The Value of Urban Transformation on Yıldız Posta Avenue Depends on the Right Usage Decision

Yıldız Posta Avenue is an area that warrants careful analysis regarding commercial real estate development, given its position along key transportation links in Gayrettepe and the potential for renewing the existing office stock.

In my view, an office project—developed based on a sound feasibility study, featuring indoor parking and concierge services, and positioned in the A or B+ segment—could create value for property owners, corporate tenants, and the region's commercial real estate ecosystem.

However, the question of whether commercial urban transformation is more economically viable than residential transformation must be tested using concrete data regarding zoning rights, costs, demand, and sales/leasing scenarios.

The core issue in urban transformation is not merely renewing the building, but developing a real estate asset that best aligns with the location's economic potential.

Ozkan OZEL

Strategic Real Estate Asset Management

Besiktas / Istanbul
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