walk-up, high-rise apartment blocks

Houses, walk-ups or high-rise apartment blocks?
漢寶德翻譯待討論：民居型態英採獨立住宅，低層公寓，高層公寓

Definition of walk-up. (Entry 1 of 2) 1 : located above the ground floor in a building with no elevator a walk-up apartment. 2 : consisting of several stories and having no elevator a walk-up tenement. 3 : designed to allow pedestrians to be served without entering a building the walk-up window of a bank.

Walk-up | Definition of Walk-up by Merriam-Webster

https://www.merriam-webster.com/dictionary/walk-up

walk-up 

• 音節wálk-ùp
• 社会人必須レベル

1. ((米略式))形
2. 1 〔限定〕〈部屋・アパートなどが〉エレベーターのない
3. 2 すぐに歩いて行ける
4. 3 〈運賃が〉当日の

━━[名]C

1. 1エレベーターのない建物［アパート］；その部屋
2. 2《競馬》ラインぎりぎりからの出発