The average rent for a one-bedroom apartment in Sankt Augustin typically ranges from €600 to €800 per month, depending on the apartment's location and amenities. Central areas, close to public transport and local shops, tend to be on the higher end of this scale, often reaching around €750. For instance, a modern apartment near the city center may cost about €720, while a slightly older unit further from the main transport links might be available for around €650. Additionally, prices can fluctuate based on the condition of the building and included features, such as whether utilities are part of the rent or if the apartment has a balcony or garden access. Overall, Sankt Augustin offers a variety of options that cater to different budgets and preferences.