1 Dalvey Estate, Singapore 259519

I appreciate your interest in Singapore property information. However, the query you've provided appears to be incomplete or unclear. "1 dalvey estate singapore 259519" doesn't form a clear question.

If you're interested in learning about Dalvey Estate, I can help you with information such as:

- Property listings and asking prices for Good Class Bungalows (GCBs) in the area
- Details about specific developments like D'Dalvey
- Recent property transactions and market activity in Dalvey Estate
- Property characteristics, lease types, and other relevant details

Could you please clarify what specific information you're looking for about Dalvey Estate or Singapore property in general? For example, are you interested in buying, selling, or simply learning more about properties in this area?