Güven Kardeşler · İstanbul
Apartment Renovation Estimation and Free Survey
Want a clear picture of your renovation costs before you start? Güven Kardeşler provides a fixed, written price after a free on‑site survey. Quality is guaranteed with references like Four Seasons and Grand Hyatt.
Free 3D design for this renovation — see it first →Apartment Renovation prices in İstanbul, 2026
Typical range
10.000 – 18.000 ₺/m²
Average range including material and labour. The exact price is given in writing and fixed after a free on-site visit.
What moves the price
- ·Strip-out and haulage needs
- ·Whether wiring/plumbing is renewed
- ·Flooring and paint quality
Some of our apartment renovation work
Real completed projects by Güven Kardeşler.



What's included?
- Free on‑site survey and detailed measurements
- Fixed written price proposal
- Workmanship and material guarantee
- Project management and scheduling
- Cleaning and post‑completion support
Backed by a crew that has worked on projects like Four Seasons, Grand Hyatt and Istanbul Modern.
Frequently Asked Questions
- How much does an apartment renovation cost?
- The price is determined after the survey. After a free on‑site inspection you receive a fixed, written price.
- How does the free survey work?
- Our expert team visits your apartment, takes measurements and assesses your needs. We then provide you with a detailed report.
- How long is the workmanship guarantee?
- We offer a 2‑year guarantee on all renovation work. Any issues arising within this period are resolved at no extra cost.
Apartment Renovation Estimation and Free Survey
Call us or message on WhatsApp — we reply the same day.
- Free site visit
- Written fixed price
- Workmanship warranty
15 years, 250+ projects. English-speaking team.