Electrostar Expansion Pack

Description

The Electrostar is one of the most extensive families of EMUs in the UK, mainly operating in and around London.
This is a (very extensive) pack that adds many more variants to the electrostar family in Train Sim World.

Features & Changes

  • 36 Liveries across 5 seperate classes
  • 14 electrostar subclasses
  • Upgraded cab systems and functionality (more features coming soon and applies to the new variants only)
  • Modified passenger saloons with 6 new seat moquettes and improved interior models
  • Aurora Refurbishment including exterior and interior changes for the GTR based electrostars
  • Changed the coupler textures on some liveries to reflect and represent their newer age and unused condition.
  • Semi-functional DOO monitors in applicable cabs.

Livery Details

Class 375

  • Class 375/3, /6, /7, & /8 in Connex, & Southeastern White and Blue liveries (/3, /6 & /7 coming later)

Class 377

  • Class 377/1 in Southern livery
  • Class 377/1 in Southern livery with Southeastern branding
  • Class 377/2 in First Capital Connect and Debranded Southern liveries
  • Class 377/5 in Southeastern and First Capital Connect liveries
  • Class 377/6 in Southern Livery

Class 378

  • Class 378/1 (3, 4, and 5 car formations) in original and new London Overground liveries (formation applicable)
  • Class 378/2 in Original and New London Overground liveries
    ("Aventra" style, Lycamobile, Pride, 5 Car Wrapping, 5 Car Front Sticker & 25 Years of TfL liveries)

Class 379

  • Class 379 in National Express, Abellio Greater Anglia, & Great Northern liveries.

Class 387

  • Class 387/1 in Great Northern, Thameslink, & Southern Liveries.
  • Class 387/1 in Ex-GWR (Southern branding)
  • Class 387/2 in Ex-Gatwick Liveries with Great Northern and no branding.
  • Class 387/3 in white with c2c, Great Northern, & GWR branding.

Known issues

  • The night lights on refurbished 377s are still messed up.
  • The TPWS panel in the 379 cab doesn't light up
  • The class 379 can still can recive power from the 3rd rail and will by default.
  • The track light on the Aurora refurbished units doesn't light up.
  • The Class 377/2 & 377/5 defaults to AC
  • The Class 379 & 387 default to DC/Off
  • The class 378 "25 Years of TfL" vinyl wrapping on the cab door dissapears when not at a really close distance.
  • The Aurora refurb monitors are currently static.
  • DOO monitors have limited functionality and show a static texture.

Requirements

  • London - Brighton: Required for Southeastern 377/1, 377/6, and all 387 and 379 variants
  • Mildmay Line: Required for all 378 reskins and variants.
  • Southeastern High Speed: Required for 375 variants.
  • WCML South: Required for 377/5 and 377/2 variants.
  • ECW 171/377 Pack: Required for 377/3 & 377/1 variants with Adtranz lights
Update Log

26/12 Release:

  • Nothing Yet!

28/12 Update:

  • Corrected 377/6 Interior textures
  • Updated 377/5 FCC/TL exterior colours
  • Added Southern logos to all coaches of the 377/6
  • Fixed (most of) the first class text on the 377/6 and 387s being backwards
  • Fixed Class 379 interior issues
  • Fixed disabled access stickers on the 377/6
  • Added missing DOO monitors to the Southern 377/2

31/01 Update:

  • Fixed texture issues on Southeastern 377/5s
  • Fixed the remaining first class antimacassars on the 377/6 and 387s
  • Updated Aurora refurbishment interior screen materials (currently still static)
  • Fixed issue with spawning Southeastern 377/1s

03/02 Update:

  • Fixed night running lights on refurbished 377s
  • Updated menu section images to reflect variations between units
  • Fixed 377/5 menu selection image showing the old incorrect livery

09/02 Update:

  • Added 387/1 Ex-GWR Southern livery
  • Added weathering to all white liveries (387/1, 387/3, 379)
  • Added first class to Southern 387/1
  • Fixed missing cant rail line on 377/6
  • Fixed bugs on 387s and 377/6 caused by the GWE Remaster

Credits

  • Profile picture of SprattyHeath SprattyHeath For donating his 378 liveries for us to use in this pack.
  • Profile picture of Charlie Charlie for donating his 377/7 textures for us to use for the 377/6
  • Johannes (Incredible Trains) for assistance with the 378.

Future Plans and Final Notes

  • Final Class 375 variants will be done on release on the Medway Valley Line
  • More liveries for the 387
  • Class 378 in Poppy livery
  • Class 379013 "Batteries Included"
  • More class 375 liveries (connex etc)
  • (Authentic) announcements, where available for all classes except the 378 and 379.

Tags: class-375 class-377 class-378 class-379 class-387 electrostar

Dependencies

Not required but greatly improves the driving experience.

Not a requirement for the mod to function but helps complete the full electrostar fleet experience.
(You can also use the one from the WCML EP)

Not required for the mod to function but allows a greater variety of services to drive some of the electrostars on.

Not required but improves the visuals of the 378.

Train Sim World® 6: Brighton Main Line: London Victoria - Brighton Route Add-On on Steam

Experience one of Britain’s busiest main lines, from the nation’s Capital to England’s oldest coastal destination, via the international hub of Gatwick Airport. Whether Southern commuter or Gatwick Express, a flurry of passengers await in Train Sim World®: Rush Hour - London Commuter.

Train Sim World® 6: London Overground Mildmay line: Stratford - Willesden Junction Route Add-On on Steam

The rails of North London keep the city flowing day in, day out, and in Train Sim World®, climb aboard the iconic London Overground Class 378 and serve this vital rail corridor. Courtesy of Johannes Hartmann, the Mildmay line awaits!

Train Sim World® 6: Rail Operations Group BR Class 37/7 Add-On on Steam

Take charge of the hardest working locomotives in Britain today; experience unique Unit Drag services, hauling EMUs to and from refurbishment, thrashing throughout the Medway Towns and beyond with Train Sim World®: Rail Operations Group BR Class 37/7!

Train Sim World® 6: Southeastern Highspeed: London St Pancras – Ashford Intl & Faversham Route Add-On on Steam

Experience the unique and exciting blend of classic main line running and thrilling high-speed commuting, in London and the Garden of England with Train Sim World®: Southeastern Highspeed – now including Ashford International and Dartford!

Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On  on Steam

Take a trip back to the seaside and hurry along the Coastway with Rivet Games’ Southern BR Class 171 & BR Class 377/3, bringing new traffic and challenges to the historic coastal towns of Brighton and Eastbourne in both diesel and electric traction!

Train Sim World® 6: West Coast Main Line: London Euston - Milton Keynes Route Add-On on Steam

Commuter action abounds along the bustling 4-track West Coast Main Line in Train Sim World® . Dash through the complex layout of London Euston aboard the Class 350 and embark across the Northwest corner of the Capital to Milton Keynes.

Additional Comments

Due to how Addon Manager behaves, you may need to own and having installed every requirement for the expansion pack to function.
If yours is working fine without owning everything then perfect, pleast let us know.
If not then that will probably be the reason why.

Files

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About this mod

Created
26 Dec 2025
Updated
9 Feb 2026
Game
Train Sim World
Type of content
Rolling stock
Train Sim World Content
Brighton Main Line: London Victoria - Brighton, London Overground Mildmay line: Stratford - Willesden Junction, Southeastern Highspeed, West Coast Main Line: London Euston - Milton Keynes
Train Sim World Version
Train Sim World 6
Avatar of 750v Studios
Expansion Packs
by 750v Studios