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.
Planning Apartment Renovation?
Leave your number and we'll call you today. The site visit is free, and the price we then give you is fixed and in writing.
- ✓ Free site visit
- ✓ Written fixed price
- ✓ Your number is never shared
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.