HDB Senja Heights is a small estate of 552 units close to the fringe of Bukit Panjang's West-NW sector.
Fortunately, it is buffered by a future park and future HDB high-rise residental estates. As these estates are just next to Kranji Expressway (noisy).
The facing directions are either N3 or S3 facing stacks/units.
N3 Stacks/units 301, 303, 281, 283,