How many new sale landed properties are currently under construction in District 15?

As of the latest data, there are no specific mentions of new sale landed properties that are currently under construction in District 15. The information available focuses more on completed and listed properties for sale, as well as upcoming condominium launches, rather than new construction projects specifically for landed properties in the area.

However, you can check the latest listings and updates on EdgeProp Singapore for any new developments or constructions in District 15, as the platform regularly updates its database with new and ongoing projects.