The short version
Phra Pradaeng occupies the bend of the Chao Phraya south of Bangkok, with industrial land and dense roads around a surprisingly green interior. Its appeal is strongest for residents who want river landscapes, temples and a slower local rhythm. Its weakness is obvious: the river and bridges make every cross town journey a logistical question.
Bang Kachao and the lanes around Bang Nam Phueng are the familiar green reference points, while the industrial waterfront and main roads tell a different story. Do not choose from a weekend cycling photograph alone. Check the road to the nearest bridge, the evening return and how deliveries reach the home.
The BTS Sukhumvit Line reaches the northern edge around Samrong and Pu Chao, but much of Phra Pradaeng remains road based. A motorbike is useful for local movement and a car for longer trips. The river is an asset for atmosphere and a barrier for commuting, often at the same time.
Verdict
I would live here for a home centred on local life, greenery and the river, not for a seamless Bangkok commute. It is a strong fit for someone working nearby or remotely. If your calendar sends you across the river every morning, the charm will not cancel the bridges.