Güven Kardeşler · İstanbul
Expert Renovation Services in Kartal – Sen Güven Kardeşler
Sen Güven Kardeşler, a leading Istanbul renovation company, brings the same quality and trust to Kartal. We provide a free inspection, fixed written price, and workmanship guarantee for seamless project completion.
Free 3D design for this renovation — see it first →Turnkey Full Renovation prices in Kartal, 2026
Typical range
12.000 – 22.000 ₺/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
- ·Flat size (m²) and number of rooms
- ·Number and scope of wet areas (kitchen + baths)
- ·Material grade (standard / premium)
Some of our turnkey full renovation work
Real completed projects by Güven Kardeşler.
What's included?
- Free inspection and detailed project plan
- Fixed, written, and transparent pricing
- Workmanship guarantee and quality control
- Experienced master team and fast delivery
- References from Four Seasons and Grand Hyatt
Backed by a crew that has worked on projects like Four Seasons, Grand Hyatt and Istanbul Modern.
Frequently Asked Questions
- How much does the renovation cost?
- We provide a fixed written price after a free inspection. You will receive a clear cost after detailed measurement and project planning.
- Which areas do you serve?
- We operate throughout Istanbul, especially in Kartal, Kadıköy, Maltepe and surrounding areas.
- How long is the workmanship guarantee valid?
- We offer a 2‑year workmanship guarantee on all projects.
Expert Renovation Services in Kartal – Sen Güven Kardeşler
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.