As an AI language model, I don't have real-time data access and my knowledge is limited to September 2021. Therefore, I can provide you with some general information about Serangoon Affinity and the types of properties that were available there up to my last update. Please keep in mind that the price ranges I mention might be outdated, and serangoon affinity price  I recommend checking the latest information from official sources or property listing websites for up-to-date pricing.

Serangoon Affinity is likely referring to a specific residential development or a cluster of properties located in Serangoon, Singapore. Serangoon is a mature and well-established residential area known for its mix of private and public housing options, excellent amenities, and convenient transport links.

The properties available in Serangoon Affinity might include the following types:

Condominiums/Apartments: Condos and apartments are a popular choice in Serangoon. They offer various unit sizes, from studios to multiple-bedroom configurations, with access to a range of facilities like swimming pools, gyms, and landscaped gardens.

Landed Houses: Some parts of Serangoon may have landed properties such as terraced houses, semi-detached houses, and bungalows. These properties typically offer more space and privacy but come at a higher price point compared to apartments.

HDB Flats: The Housing Development Board (HDB) provides public housing options in Serangoon, catering to different budget ranges. HDB flats come in various sizes and configurations, including 2-room, 3-room, 4-room, and executive flats.

Mixed-Use Developments: Serangoon Affinity might include mixed-use developments that combine residential units with retail and commercial spaces, providing residents with easy access to amenities and services.

Regarding the price ranges, property prices can vary significantly based on factors such as location, property type, size, age, facilities, and market conditions. As of September 2021, the price range for condos/apartments in Serangoon could start from around SGD 800,000 to several million dollars for larger units or prime locations. Landed houses could range from a few million dollars for terraced houses to even higher for bungalows.

HDB flats are generally more affordable, with prices varying based on the flat size, floor level, and proximity to amenities. As a rough estimate, HDB flats in Serangoon might have been priced anywhere from SGD 300,000 to SGD 800,000 or more, depending on the factors mentioned above.

For mixed-use developments, the pricing would likely depend on the specific project's features, the demand for the residential and commercial components, and other market dynamics.

Keep in mind that the real estate market is dynamic and can experience fluctuations over time. Property prices might have changed since my last update. It's crucial to consult with a qualified real estate agent or check official sources and property listing websites for the latest and most accurate information on Serangoon Affinity properties and their respective price ranges.