Things to Know Before Starting Villa Renovation: Infrastructure Control Guide in Old and Old Buildings

03.07.2026 6 min 3
Santra Villa - Ismet Bey, horizontal interior
Project slider cover and not the first slide

When buying an unfinished or old villa, what should you pay attention to regarding infrastructure, installation and insulation? In order to prevent problems arising during the villa renovation and interior architecture processes, the critical details we check in practice to ensure that your million-dollar villa investment is not wasted on the construction site: Expert guide for a smooth interior architecture process.

The first and most important step you should consider when starting to create your dream living space; It is to analyze whether this new home you will move into is an old building or a new, incomplete (very rough) building.

The structure, history and structural needs of each house are different. In order for the aesthetic details and design to fully show themselves, we must first examine the structural strength and infrastructure condition. Moreover, this control is essential to ensure that it does not cause any "invisible accidents" for many years. A perfect interior design can only be built on a perfectly working infrastructure. Well, is there an infrastructure problem that would put your dream design at risk and disrupt all the fine workmanship?

Here are the critical points that must be checked before starting an interior design project.

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An incomplete (rough construction) villa renovation offers the freedom to shape the design completely to your own taste. However, in order to ensure that this freedom does not come at a cost, infrastructure checks must be made on the existing framework of the building. Questions we always ask before starting the renovation of an unfinished villa:

Places where insulation weaknesses are most common: We should pay attention to places such as the basement, roof, around windows, and the connection of windows down to the ground with the garden. No matter what we do afterwards, if we do not solve these problems, they become a threat to us and can come to a point where we can waste our investment. Incomplete or incorrectly installed insulation on the roof becomes evident at the first rain. Likewise, it should be urgently checked whether there is a water leak coming from the foundation in the basement, moisture or color changes on the walls. These insulation weaknesses must be identified and eliminated before any adjustments are made to the construction.

Another element is the manhole connection. The main manhole, where the plumbing connections of the entire building meet, needs to be checked for collapse between it and the sewer manhole. No matter how good your indoor plumbing is, if you have a problem at the point where you connect it to the city sewer, you may cause water to back up inside again. If you do not check the manhole connections, even if you use million-dollar ceramics and strainers, you cannot prevent the formation of odors in the house.

Current project: Santra Villa - Ismet Bey

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Santra Villa - Ismet Bey

Santra Villa, Çayyolu, Ankara 450 sqm 2026
In this project, which we shaped with the flawless harmony of natural textures, the depth of dark wood, and the nobility of marble, we optimized the spatial circulation to elevate the user experience to the highest level. Thanks to the stylish niches we positioned on the wall surfaces and the concealed light bands we enriched, we have brought a sophisticated ambiance to the environment. We are not just creating an ordinary space, but an atmosphere with a soul through acoustics and lighting scenarios, reflecting a contemporary luxury interior designer approach.

Another critical issue is infrastructure and installation lines; especially electrical infrastructure. In complete deliveries, the construction company generally does not pull the main supply line coming from outside into the house. They leave the main cable at the doorway; We determine the location of the electrical panel according to the needs of the interior design. The first thing to consider at this stage is whether communication systems such as fiber and data cables are installed with the correct cable cross-sections. The second basic element is to make sure that the main power cables, which are the 'nervous system' of the building, reach the house with the correct capacity and cross-sections.

Even if the teams have completed the installation lines inside; You should definitely check whether the clean water coming from the main network, waste water discharge and main electrical panel connections are active in the field. This current situation in the infrastructure is one of the most important factors that directly affects the start and finish schedule of the implementation project.

In the villa renovation delivered during the rough construction phase, if there is an elevator shaft, this area is a very critical control point. Since elevator shafts are located below the foundation level, they create a natural collection area for groundwater and environmental waters. To prevent this risk, the well's waterproofing and ventilation systems must be completed completely. Additionally, these practices are essential to protect the structure. As a precaution against any water problems, it is vital to install a drain pump line to be integrated into the system.

We transformed the incomplete building we took over in Incek, Ankara, into a turnkey living space with fine workmanship and flawless details. Bu dönüşüm sürecine yakından bakın:

I Bought an Old Villa, What Should I Pay Attention to?

Renewing an old building and bringing a brand new spirit to the place is an exciting architectural process. However, if you move on to aesthetic details without correctly reading the signs of fatigue in old buildings, you can overshadow a perfect design. We start by solving the anatomy of the building before aesthetics. So, what should you pay attention to when you buy an old villa?

Have Basement Floors Taken Water?

Basic insulation materials that lose their function over time; It manifests itself with a musty smell, swelling at the bottom of the walls and floor deformation. Before moving on to interior architecture and decoration, applying a professional insulation process to the basement floors is the most critical step for the health of the building.

Is the Manhole Connection Still Working Well?

Collapsed soils or growing tree roots over the years may have damaged old pipes and manhole lines. In order to prevent major problems that you may experience in the future, you should test and analyze the entire infrastructure for clogging and cracks with camera systems.

Are There Level Differences Within the Building?

Natural settlements that occur in the building over time create millimetric elevation differences between rooms and corridors. In order to ensure perfect application of high-end materials, especially large-sized marble, natural stone or premium laminated flooring, all areas must be measured and leveled with a laser level before the floor screed is laid.

Is There a Difference Between the Main Road and the Entrance and Level of the House?

The asphalt and pavement works carried out by the municipality on the main road since the time the villa was built may have increased the level of the road. This creates a serious risk of surface water flowing into your garden or garage during heavy rains. Environmental drainage systems must be planned from scratch according to this new elevation.

We took over an old three-storey villa that had been tired for years and completely renovated it and turned it into a modern living space. Take a closer look at our turnkey process:

With a good interior architecture service, you will address not only the aesthetics but also the engineering details that will make the space functional and long-lasting. A luxury without a solid infrastructure is always incomplete.

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