Why Alanya Apartments Get Mold in the Winter (And How to Prevent It)

You lock up your beautiful Alanya apartment in October, perfectly clean. You return in May for your summer holiday, open the door, and are hit by a terrible musty smell. The walls have black spots, the bedding feels damp, and the bathroom smells like a sewer.
This is the reality of the Mediterranean winter. Here is why it happens to closed apartments, and how to stop it.
The Problem: Humidity and Sealed PVC
Alanya experiences high humidity and heavy rainfall during the winter months. Modern Turkish apartments are fitted with excellent, tightly sealed PVC windows. While great for insulation, they completely cut off airflow.
As the temperature drops outside, the trapped humid air inside your apartment condenses on cold surfaces (especially exterior-facing walls and windows). Without ventilation, this condensation breeds black mold within weeks.
The Plumbing Odor Issue
Every sink and shower drain in your apartment has a “P-trap” (a U-shaped pipe holding a small amount of water). This water blocks sewer gases from entering your home. If an apartment sits empty for months, that water evaporates. The seal breaks, and toxic, foul-smelling sewer gases fill your apartment.
How to Prevent It
You cannot leave an apartment completely unmonitored in Alanya for 6 months. Prevention requires two things:
- Air Circulation: The apartment must be physically opened and ventilated for 30–45 minutes every few weeks to replace the damp, stale air with fresh air.
- Flushing the Traps: Every tap and shower must be run for 60 seconds to refill the water traps and block sewer gases.
My Approach: This is exactly why absent owners hire me for Private Property Management. My team conducts routine physical inspections of your property. We flush the plumbing, air out the rooms, check for winter water leaks, and pay your bills. When you arrive in Alanya, your home is fresh, clean, and ready to enjoy.