It is one of two stations (neighbouring Bynea being the other) located on the double track portion of the route that is shared with the Swansea District Line.
Amenities are limited to the standard CIS display, customer help point and payphone (the latter two at the main entrance).
[4] In 2016, The Welsh Government funded the installation of reinforced glass fibre 'humps' on the platforms to improve access for wheelchair and pushchair users onto and off trains.
Freight services operated by DB Cargo to the Trostre Steelworks in Llanelli from Margam pass Llangennech.
Llangennech station sits on the line and the possibility of direct services to and from Cardiff Central have been discussed for the future.