Greater Thameslink Railway

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Greater Thameslink Railway
Overview
Main regions
Fleet
Stations operated238
Parent companyDfT Operator
Reporting markGN, GX, SN, TL
PredecessorGovia Thameslink Railway
Other
Websitegtrailway.com Edit this at Wikidata

Thameslink Southern Great Northern Limited,[1] trading as Greater Thameslink Railway (GTR), is a state-owned British train operating company that took over the services of privately-owned operator Govia Thameslink Railway on 31 May 2026. It is owned by DfT Operator for the Department for Transport. The company runs trains under the sub-brands Gatwick Express, Great Northern, Southern and Thameslink.

History

In the lead-up to the 2024 United Kingdom general election, the Labour Party of Keir Starmer committed itself to bring the passenger operations of the British rail network back under state ownership.[2][3] Following its election win, the government introduced the Passenger Railway Services (Public Ownership) Act 2024 that received the royal assent in November 2024.[4][5]

In September 2025, it was announced that the passenger rail services provided by Govia Thameslink Railway would transfer to state ownership on 31 May 2026.[6][7][8]

Services

Gatwick Express

Gatwick Express operates an express commuter and airport transfer service between London Victoria, Gatwick Airport, Haywards Heath and Brighton. Between 6:00 am and 9:00 am on weekdays, northbound services call additionally at Preston Park, Hassocks and Burgess Hill. Services stop additionally at the same stations in the southbound direction between 5:00 pm and 8:00 pm.[9]

As of May 2025, the off-peak Monday–Saturday, with frequencies in 'trains per hour' (tph), consists of:[9]

RoutetphCalling at
London VictoriaBrighton2

On Sundays, Gatwick Express operates a half-hourly shuttle service between London Victoria and Gatwick Airport only.[9]

Great Northern

Great Northern is the name of the suburban rail services run on the southern end of Britain's East Coast Main Line and associated branches. Services operate both to and from London King's Cross and Moorgate. Destinations include Hertford North, Welwyn Garden City, Stevenage, Peterborough, Cambridge and King's Lynn. The Great Northern Monday–Friday off-peak service pattern, as of June 2026, with frequencies in trains per hour (tph), consists of the following:[10][11]

Route tphCalling at
MoorgateWelwyn Garden City2
Moorgate — Stevenage via Hertford North2
London King's CrossLetchworth Garden City1
London King's Cross — Cambridge1
London King's Cross — Ely1
London King's Cross — King's Lynn1

Southern

Southern routes run from London Victoria and London Bridge through the South London suburbs of Battersea, Norbury, Peckham, Sydenham, Crystal Palace, Norwood, Croydon, Streatham, Purley and Sutton to towns surrounding London including Caterham, Epsom and Tadworth.

Further afield, Southern also serve Redhill, Tonbridge, Uckfield, East Grinstead, Gatwick Airport, Brighton, Ashford International, Worthing, Hastings, Portsmouth Harbour, Eastbourne, Horsham, Southampton Central, Littlehampton and Bognor Regis. Additionally, Southern run West London route services from Watford Junction to East Croydon via Clapham Junction. The standard off-peak service as of May 2026 is:[12]

Brighton Main Line
RoutetphCalling at
London VictoriaLittlehampton2
London Victoria – Eastbourne1
London Victoria – Ore1
Arun Valley line
RoutetphCalling at
London Victoria – Portsmouth Harbour2
  • This route splits/merges at Horsham with the route to Bognor Regis (see below). Fishbourne, Bosham, Nutbourne and Warblington are served by the same train
London Victoria – Bognor Regis2
  • This route splits/merges at Horsham with the route to Portsmouth Harbour, see above.
Seaford branch line
RoutetphCalling at
BrightonSeaford2
  • Services alternate between serving Southease and Newhaven Harbour
East Coastway and Marshlink lines
RoutetphCalling at
Brighton – Eastbourne1
Brighton – Ore1
Eastbourne – Ashford International1
West Coastway line
RoutetphCalling at
Brighton – Southampton Central2
Brighton – Portsmouth & Southsea1
  • Hove
  • Portslade
  • Southwick
  • Shoreham-by-Sea
  • Lancing
  • East Worthing
  • Worthing
  • West Worthing
  • Durrington-on-Sea
  • Goring-by-Sea
  • Angmering
  • Barnham
  • Chichester
  • Havant
  • Fratton
Brighton to Chichester via Littlehampton1
  • Hove
  • Aldrington
  • Portslade
  • Fishersgate
  • Southwick
  • Shoreham-by-Sea
  • Lancing
  • East Worthing
  • Worthing
  • West Worthing
  • Durrington-on-Sea
  • Goring-by-Sea
  • Angmering
  • Littlehampton[a]
  • Ford
  • Barnham
Barnham – Bognor Regis2Shuttle service
Oxted line
RoutetphCalling at
London Victoria – East Grinstead2
London BridgeUckfield1
Reigate and Redhill–Tonbridge line
RoutetphCalling at
London Victoria – Reigate2
Redhill – Tonbridge1
West London Route
RoutetphCalling at
Watford JunctionEast Croydon1
Mole Valley Line
RoutetphCalling at
London Victoria – Dorking1
London Victoria – Horsham1
London Bridge – Epsom2
Caterham and Tattenham Corner lines
RoutetphCalling at
London Bridge – Caterham2
  • This route splits/merges at Purley with the route to Tattenham Corner, see below.
London Bridge – Tattenham Corner2
  • This route splits/merges at Purley with the route to Caterham, see above.
London Metro
RoutetphCalling at
London Victoria – Epsom Downs2
London Victoria – West Croydon2
London Victoria – London Bridge2
London Bridge – East Croydon2
London Bridge – Beckenham Junction2
  • South Bermondsey
  • Queens Road Peckham
  • Peckham Rye
  • East Dulwich
  • North Dulwich
  • Tulse Hill
  • West Norwood
  • Gipsy Hill
  • Crystal Palace
  • Birkbeck

Thameslink is a 68-station main-line route running 225 km (140 miles) through London from Bedford to Brighton, serving both Gatwick Airport and Luton Airport, with a suburban loop serving Sutton, Mitcham and Wimbledon and a suburban line via Catford and Bromley South to Sevenoaks. As of June 2026: The Monday–Friday off-peak service pattern, with frequencies in trains per hour (tph), includes:

Thameslink Monday–Friday off-peak service pattern
RoutetphCalling at
Bedford to Brighton[13][14]2
Bedford to Three Bridges via Redhill[13][15]2
  • In the evening, this service only runs between Luton and Three Bridges
Peterborough to Horsham via Redhill[16][17]2
Cambridge to Brighton[16][14]2
London Blackfriars to Sevenoaks via Catford and Otford[18]2
Luton to Rainham via Greenwich[18][19]2
  • In the evening, this service only runs between Kentish Town and Rainham
St Albans City to Sutton via Wimbledon (loop)[13][20]2
  • Services then continue to/from St Albans City via Mitcham Junction (see below)
St Albans City to Sutton via Mitcham Junction (loop)[13][20]2
  • Radlett
  • Elstree & Borehamwood
  • Mill Hill Broadway
  • Hendon
  • Brent Cross West
  • Cricklewood
  • West Hampstead Thameslink
  • Kentish Town
  • London St Pancras International
  • Farringdon
  • City Thameslink
  • London Blackfriars
  • Elephant & Castle
  • Loughborough Junction
  • Herne Hill
  • Tulse Hill
  • Streatham
  • Mitcham Eastfields
  • Mitcham Junction
  • Hackbridge
  • Carshalton
  • Services then continue to/from St Albans City via Wimbledon (see above)

Rolling stock

Greater Thameslink Railway inherited the following trains from its predecessor:

Family Class Image Type Top speed Number Carriages Routes operated Built
mph km/h
Gatwick Express
Bombardier Electrostar

387

EMU 110 177 18 4 London Victoria to Brighton 20152016
Great Northern
Bombardier Electrostar

379

EMU 100 160 30 4 London King's Cross to Ely/King's Lynn
London King's Cross to Letchworth Garden City/Cambridge
20102011

387

110 177 12[21] 4 London King's Cross to Ely/King's Lynn
London King's Cross to Letchworth Garden City/Cambridge
20142017
Siemens Desiro

717 Desiro City[22]

85 137 25 6 Moorgate to Welwyn Garden City
Moorgate to Stevenage via Hertford North
2018
Southern
Bombardier Turbostar 171
DMU 100 160 13[23][24] 3 London Bridge to Uckfield
Eastbourne to Ashford International
2003–04
4[24] 2

Bombardier Electrostar 377/1

EMU 55 4 Entire Southern network apart from sections between Hurst Green and Uckfield & between Ore and Ashford International 200114
377/2 15
377/3 28 3
377/4 75 4
377/6 26 5
377/7 8


387/1
387/2
387/3
110 177 46 (Shared with Gatwick Express)[25] 4[26] London Victoria to Eastbourne/Ore
Brighton to Eastbourne/Ore
Brighton to Southampton Central
201617



Thameslink
Siemens Desiro 700 Desiro City EMU 100 161 60 8 Entire Thameslink network 20152018
55 12

Future

TfL takeover

On 20 September 2025, Transport for London (TfL) submitted an outline business case to take over Great Northern services from Moorgate to Welwyn Garden City, Hertford North, and Stevenage and integrate it into the London Overground network.[27] TfL wants to increase the number of trains from 2 to 4 trains per hour, standardise fares across the route, serve a 21,000 home development at Crews Hill, and boost growth in North London and Hertfordshire.[28][29][30] The takeover could occur in Autumn 2027, if approval is given by DfT.[28] However, the Overground services would use the existing Class 717 stock.[29]

Notes

  1. Trains reverse here

References

  1. Thameslink Southern Great Northern Limited Companies House
  2. Labour promises rail nationalisation within five years of coming to power The Guardian 25 April 2024
  3. Labour pledges to renationalise most rail services within five years BBC News 26 April 2024
  4. Rail nationalisation takes a step closer under Starmer’s first major public reform in Commons victory The Independent 4 September 2024
  5. Government reveals first three operators to be renationalised after law change Railnews 4 December 2024
  6. Next train services to return to public ownership revealed as government delivers railways reset Gov.uk 26 September 2025
  7. British passenger renationalisation progress International Railway Journal 29 September 2025
  8. DfT names next operator to be renationalised Railnews 29 September 2025
  9. "Table R: London Victoria to Gatwick Airport and Brighton (Gatwick Express services only)". Gatwick Express. 23 May 2025. Retrieved 25 June 2025.
  10. "Table A". timetables.greatnorthernrail.com. Retrieved 2026-06-29.
  11. "Table B". timetables.greatnorthernrail.com. Retrieved 2026-06-29.
  12. "Southern Timetables". Retrieved 1 June 2026.
  13. "C: Bedford, Luton and St Albans to London, Sutton, the Medway Towns, East Croydon, Gatwick Airport and the South Coast | Timetable valid from Monday 11 December 2023 until Monday 27 May 2024". timetables.thameslinkrailway.com. Retrieved 29 June 2026.
  14. "Q: London, Croydon and Gatwick Airport to Haywards Heath and Brighton". timetables.thameslinkrailway.com. Retrieved 29 June 2026.
  15. "O: London and Croydon to Redhill, Reigate, Tonbridge, Gatwick Airport and Three Bridges". timetables.thameslinkrailway.com. Retrieved 29 June 2026.
  16. "A: King's Lynn, Ely, Cambridge, Peterborough and Stevenage to London, Gatwick Airport, Horsham and Brighton". Thameslink. Retrieved 29 June 2026.
  17. "P: London, Croydon and Gatwick Airport to Crawley and Horsham". timetables.thameslinkrailway.com. Retrieved 29 June 2026.
  18. "E: Sevenoaks, Swanley, Orpington, Bromley South and Catford to London". Retrieved 29 June 2026.
  19. "F: The Medway Towns, Gravesend, Dartford and Woolwich to London and Luton". Retrieved 29 June 2026.
  20. "H: Sutton and Wimbledon to London via Streatham and Tulse Hill". Retrieved 29 June 2026.
  21. Mansfield, Ian (2025-02-26). "Govia Thameslink Railway brings 30 more trains into service through London". ianVisits. Retrieved 2025-06-15.
  22. Clinnick, Richard. "New Govia Thameslink Railway trains to be Class 717s". Rail. Archived from the original on 11 June 2016. Retrieved 9 June 2016.
  23. "EMR Evolves for the Future". Modern Railways. Vol. 79, no. 889. October 2022. p. 52.
  24. Southern Useful Information Archived 6 September 2013 at the Wayback Machine - Southern. Retrieved 29 August 2013.
  25. "Class 387 'Electrostar'". Units. Rail Express. No. 354. November 2025.
  26. Russell, David (November 2022). "Class 387 'Electrostar'". Units. Rail Express. No. 318. p. 27.
  27. "FOI request detail: Great Northern 'Inners' business case". 2 December 2025.
  28. Lawrence, India (2025-12-05). "North London could be getting a new Overground line". Time Out London. Retrieved 2025-12-09.
  29. "TfL bids to take over Moorgate mainline with plan to increase Great Northern services". ianVisits. 2025-12-04. Retrieved 2025-12-09.
  30. Khan, Shan Ahmed (2025-12-05). "TfL's Moorgate Takeover Bid: Full List of Great Northern Stations That Could Join London Overground by 2027". TechStock². Retrieved 2025-12-09.