An arrangement of individual seat units intended to be installed in particular in an aircraft cabin, comprising: - a first row (12.1) of seat units arranged behind one another and facing in a first direction of the aircraft cabin, - a second row (12.2) of seat units arranged behind one another and facing in a second direction of the aircraft cabin opposite the first direction, the second row (12.2) of seat units being arranged on the side of an aisle, - each seat unit comprising a seat convertible between a seating position and a reclined position, a console comprising a foot area for receiving the feet of the passenger in the corresponding seat, and a privacy shell, wherein - a console of a seat unit of a given row is arranged in proximity to a seat of a seat unit of the other row so as to define a space for storing and/or placing objects, - and said arrangement includes access passages to an aisle, an access passage being delimited at least in part on the one hand by a shell of a seat unit of the second row (12.2) and on the other hand by an adjacent console of a seat unit of the second row (12.2), such that each access passage allows a passenger of a seat of the first row (12.1) of seat units to access directly to the aisle, characterized in that - the seat units of the first row (12.1) and the seat units of the second row (12.2) are arranged in blocks of two seat units, each block comprising one seat unit of the first row (12.1) and one seat unit of the second row (12.2), - each block of two seat units comprising a first seat facing in the first direction of the aircraft cabin and a second seat facing in the second opposite direction of the aircraft cabin, - the first seat and the second seat of each block overlapping each other longitudinally at a backrest of these seats. - a first row (12.1) of seat units arranged behind one another and facing in a first direction of the aircraft cabin, - a second row (12.2) of seat units arranged behind one another and facing in a second direction of the aircraft cabin opposite the first direction, the second row (12.2) of seat units being arranged on the side of an aisle, - each seat unit comprising a seat convertible between a seating position and a reclined position, a console comprising a foot area for receiving the feet of the passenger in the corresponding seat, and a privacy shell, wherein - a console of a seat unit of a given row is arranged in proximity to a seat of a seat unit of the other row so as to define a space for storing and/or placing objects, - and said arrangement includes access passages to an aisle, an access passage being delimited at least in part on the one hand by a shell of a seat unit of the second row (12.2) and on the other hand by an adjacent console of a seat unit of the second row (12.2), such that each access passage allows a passenger of a seat of the first row (12.1) of seat units to access directly to the aisle, characterized in that - the seat units of the first row (12.1) and the seat units of the second row (12.2) are arranged in blocks of two seat units, each block comprising one seat unit of the first row (12.1) and one seat unit of the second row (12.2), - each block of two seat units comprising a first seat facing in the first direction of the aircraft cabin and a second seat facing in the second opposite direction of the aircraft cabin, - the first seat and the second seat of each block overlapping each other longitudinally at a backrest of these seats.