Soon afterwards, a larger engine shed was built, but still on the opposite side of the bridge to the main part of the station.

[8] The indirect line to Tunbridge Wells remained in use until about 1913, after which it was closed and the track dismantled.

[9] By November 1919, the up platform station roof bore the name TONBRIDGE in white letters.

[11] By May 1958, the brick station building fronting the main road had been rebuilt with a tiled facade.

[11] The Sevenoaks to Dover line via Tonbridge was electrified in 1961 when the Southern Region improved train frequencies and faster journey times were introduced under British Railways as part of the Kent Coast Electrification.

[12] The line south to Tunbridge Wells and Hastings was electrified in 1986 by British Rail,[13] and finally the line to Redhill was electrified in 1993 also by British Rail as part of the Eurostar/Channel Tunnel route improvement works.

[citation needed] Eurostar trains ran through Tonbridge station until the first section of the High Speed line was built through Kent, to cut down journey times from London to the Channel Tunnel.

The typical off-peak service in trains per hour is:[16] Additional services, including trains to and from London Cannon Street, Ramsgate via Deal and Strood via Maidstone West call at the station during the peak hours.

It was last used on 25th July 2003 owing to the loss of most mail traffic to road haulage.

The adjacent West Yard, operated by GB Railfreight, has sixteen non-electrified tracks and is now mainly used for stabling engineers' trains.

The West Yard was built in 1941 as part of the improvements needed for freight train traffic during World War Two, and is spanned by a long footbridge carrying a public footpath between Douglas Road and Clare Avenue.

Tonbridge Power (signal) Box stands at the eastern entrance to the Jubilee sidings and West Yard.