We’ve rounded up the planned Thameslink closures and changes affecting south London this week amid industrial action.

ASLEF announced an overtime ban which is set to be in effect from Friday, December 1 until Saturday, December 9.

Thameslink is advising passengers to check before travelling, with some trains starting or finishing earlier and trains expected to be busier as a result of the ban.

This week planned engineering work in the Tulse Hill area will affect travel on early morning and late night Sutton services.

Here’s everything you need to know:

Monday, December 4 until Friday, December 8: Changes to night / early morning Thameslink Sutton services

From Monday until Friday, engineering work taking place in Tulse Hill will close some lines.

Early morning and late night Sutton services via Wimbledon will terminate and start at Herne Hill and London Blackfriars.

Thameslink has advised customers to use Southern services or London buses to complete their journeys on these days.

Saturday, December 9 and Sunday, December 10: No Thameslink trains between Herne Hill and Sutton

Engineering works taking place between Herne Hill and Tulse Hill will close various lines over the weekend.

Over the weekend, no Thameslink trains will run between Herne Hill and Sutton or Wimbledon.

Customers are being advised to use their tickets on London Underground services, London buses between Central London and Herne Hill and Sutton, or Southern services between London Victoria and Sutton.