05Construction & Renovation
Construction and renovation: from design to turnkey
Construction means building or renovating the designed space on site. SG Concept runs renovation and construction on a turnkey basis for villas, apartments, offices and commercial spaces: from demolition and plumbing to floor and wall finishes and custom furniture, every trade is managed by the team that did the design.
same team, on site

What's included?
The biggest risk between design and site is that the intent of the drawing gets lost. The construction team led by engineer Giray Onsekiz works at the same table as the design team: material samples are approved, critical work is checked on site and every stage is reported to you.
- 01
Site visit and work plan
Site visit, quantities, schedule and a written scope.
- 02
Rough and finishing works
Demolition, walls, plaster, drywall, suspended ceilings, paint and finishes.
- 03
Electrical and plumbing
Lighting infrastructure, socket and junction box positions, plumbing and wet areas.
- 04
Floors and surfaces
Natural stone, ceramics, parquet and special surface finishes.
- 05
Custom furniture installation
On-site installation and adjustment of workshop-made pieces.
- 06
Handover
Final checks, cleaning and handover ready to use.
Who is it for?
- Owners planning a full renovation of a home or villa in Istanbul
- Anyone who wants design and construction from one team
- Companies renovating an office or shop without disrupting their work
Related projects
Frequently asked questions
What does turnkey renovation mean?
All work, from the project to the final clean, is managed by one team and the space is handed over ready to use.
How long does a renovation take?
It depends on the scope. We share a firm schedule after the site visit, with a written work programme.
Do I need a permit to renovate in Turkey?
Simple renovations that don't affect the structure, the exterior facade or the position of wet areas usually don't need a permit; major renovations require one.
Can you build another architect's design?
Yes, if the project has been drawn to construction level; we review it together first.
Related articles
Journal →- Guide

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Can you knock down a wall when renovating in Türkiye? Structure, earthquakes and permits
Removing walls, touching columns and beams, renovations that do and do not need a permit: what you need to know for a safe renovation in Istanbul.
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Turnkey home and villa renovation in Istanbul: what drives the cost in 2026?
Two renovations of the same size can differ tenfold in price. The items that make up the budget, common mistakes and how to set a realistic budget.
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7 things to know before renovating your home
A renovation does not start by knocking down a wall; it starts by asking the right questions. What to put on the table before you begin.

