Welling railway station is situated in Welling, part of the London Borough of Bexley, and is served by the Bexleyheath Line, 11 miles 28 chains (18.3 km) from London Charing Cross.

[3] The station was opened with the line on 1 May 1895.

The station is located in Station Road, just off Bellegrove Road (which becomes Welling High Street).

All services at Welling are operated by Southeastern using Class 376, 465, 466 and 707 EMUs.

The typical off-peak service in trains per hour is:[4] During the peak hours, the service between London Charing Cross and Dartford is increased to 2 tph in each direction.