South west, local and more affordable in feel
Boeung Tumpun is a south western residential quarter of local streets, small shops, student housing and newer development. It sits beyond the most familiar BKK and Russian Market addresses without being an outer suburb. The canal and market areas give it a stronger local rhythm than a new condominium enclave.
Boeung Tumpun I and II are separate sangkats within Mean Chey. That distinction is useful when searching because the area is not uniform. The route to a main road, the condition of the lane and the distance from commercial activity can change the character of a home.
A practical commute
City Bus serves larger southbound roads, but PassApp and Grab tuk tuks are the usual answer for the smaller connections. A motorbike is useful. Walking between separate pockets is not always pleasant, especially where drains, parked vehicles or construction interrupt the route. Try the journey to BKK or the Russian Market at the time you would actually make it.
There is no current rent research for Boeung Tumpun in the map record. An expat forum discussion describes the area as a cheaper rental option, with one resident calling it quiet at night, but forum advice is personal rather than a market survey. Inspect the apartment, utilities, road and parking yourself.
The cheap area question
Boeung Tumpun is not a secret central district waiting to be discovered. It is a local neighbourhood whose lower cost appeal comes with fewer concentrated international services and more dependence on app booked transport. That is fine if your routine is flexible. It is tiring if you need a polished street outside the door.
Would I live here?
Yes, for a budget conscious adult or couple who wants south city access and does not mind a local setting. I would choose a lane with a reliable tuk tuk approach and visit after dark. Boeung Tumpun can be a good first base, but I would let the exact building, not the reputation for cheapness, make the decision.