Villa Renovation in Istanbul
A Guide for International Property Owners
Buying a villa in Istanbul is becoming increasingly popular among international property buyers and investors. Many villas in Istanbul are either delivered as shell & core properties or require renovation after purchase.
Because of this, villa renovation and interior architecture projects are very common in Istanbul, especially in luxury residential areas.
This guide explains how villa renovation projects work in Istanbul, what to expect from the process and how to plan a villa project from abroad.
Villa Renovation in Istanbul
Villa renovation projects in Istanbul usually fall into two categories:
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Renovating an existing villa
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Completing a shell & core villa
Both project types require interior architecture design, technical planning and construction management.
Villa projects are more complex than apartment renovations because they usually include:
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kitchen and bathrooms
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flooring and wall finishes
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lighting design
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custom furniture
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staircase design
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fireplaces
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terraces and outdoor areas
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mechanical and electrical upgrades
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smart home systems
Because of this, villa projects require more detailed planning and coordination.
Shell & Core Villas in Istanbul
Many luxury villa developments in Istanbul are delivered as shell & core.
This means the structure of the building is completed, but interior spaces are unfinished.
Shell & core villas usually include:
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structural walls
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exterior facade
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windows
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main staircases
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basic mechanical infrastructure
But they do not include:
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flooring
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internal doors
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kitchens
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bathrooms
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lighting
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built-in furniture
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decorative finishes
This allows owners to fully customize the interior according to their lifestyle and design preferences.
You can read more here:
WHAT IS SHELL & CORE?
Renovating an Existing Villa vs Buying Shell & Core
Both options have advantages.
Renovating an Existing Villa
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Faster move-in timeline
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Existing infrastructure already installed
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Sometimes lower initial cost
Shell & Core Villa
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Full design flexibility
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Better space planning
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New infrastructure and systems
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Higher long-term quality
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Fully customized interior
Many international buyers prefer shell & core villas because they can create a completely customized home.
Villa Design and Renovation Process
Villa renovation projects usually follow these steps:
1. Property Evaluation
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Site visit
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Existing drawings review
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Technical evaluation
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Budget expectations
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Timeline planning
2. Concept Design
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Layout planning
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Interior style direction
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Material selection
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Lighting concept
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Kitchen and bathroom design
3. Technical Project
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Electrical and lighting plans
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Mechanical plans
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Furniture drawings
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Flooring layouts
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Bathroom details
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Staircase details
4. Construction & Implementation
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demolition works
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infrastructure works
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flooring and wall finishes
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kitchen and bathrooms
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custom furniture production
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lighting installation
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painting and final finishes
This process usually takes several months depending on the size of the villa.
When Should Villa Renovation Planning Start?
Villa renovation planning should ideally start immediately after purchasing the property.
Many international buyers start the design process before moving to Istanbul so the house is ready when they arrive.
Starting early helps with:
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better budget planning
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better design decisions
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shorter construction timeline
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smoother project management
Frequently Asked Questions
Is buying a shell & core villa a good idea?
Yes. Shell & core villas allow full customization of the interior layout, materials and technical systems. This usually results in a higher quality and more personalized living space.
How long does a villa renovation take in Istanbul?
Depending on the size of the villa and the project scope, villa renovation projects usually take 4 to 6 months.
Large villas or highly detailed projects may take longer.
How much does villa renovation cost in Istanbul?
Costs depend on villa size, technical infrastructure, material quality and amount of custom furniture.
General cost ranges:
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Mid-range projects: 900 – 1,200 € / m²
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High-end projects: 1,300 – 1,700 € / m²
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Luxury projects with custom production: 1,800 € / m² and above
Shell & core villas may have higher initial costs because all infrastructure and finishes must be built from scratch.
Final project cost becomes clear after the technical design phase.
Can I work with an interior architecture firm if I don’t live in Istanbul?
Yes. Many villa projects are managed remotely for international clients through online meetings, digital approvals and site progress reports.
Can I only hire a company for construction if I already have a design?
Yes. Existing designs can be reviewed technically and construction and project management services can be provided separately.
Who Is This Guide For?
This guide is designed for:
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international buyers purchasing villas in Istanbul
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property investors
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families planning to move to Istanbul
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property owners planning villa renovation
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clients looking for design & build services in Turkey
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This guide is based on real villa renovation and residential interior architecture project experience.
About Sonraki Interior Architecture
Sonraki Interior Architecture provides design and build services for villas, apartments, offices and commercial interiors.
With offices in Istanbul and London, the studio works with international clients on residential and commercial projects across Turkey and internationally.
You can check a residential projects of Sonraki: