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.
Planning in Kartal Turnkey Full 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
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.