Bank Holiday Information: Thameslink

Please continue to check your journey until your travel date

Tuesday 23 December

Buses replace very early morning trains at Arlesey

Due to overnight engineering work, very early morning trains on Tuesday morning cannot call at Arlesey.

• Between 23:30 (Monday) and 04:40, trains from Horsham / London Kings Cross to Peterborough will not call at Arlesey

• Between 00:40 and 03:00, trains from Peterborough to London Kings Cross / Horsham will not call at Arlesey

• Rail replacement buses will run to provide connections between Biggleswade and Hitchin, calling at Arlesey

Buses replace very early morning trains between Gravesend and Gillingham

Due to overnight engineering work, from 02:00 until 04:30 on Tuesday morning buses will replace Thameslink trains between Gravesend and Gillingham.

Wednesday 24 December

Amended and reduced service, plus trains will finish earlier than normal

An amended and reduced service will run on all Thameslink (and Great Northern) routes until the early evening when services will start to shut down.

Thameslink services will finish earlier than normal on Christmas Eve. Trains on all routes will finish by around 21:00, but on some routes this may be much earlier.

Thursday 25 December - Christmas Day

No service

There will be no Thameslink services on Christmas Day.

Friday 26 December - Boxing Day

No service

There will be no Thameslink services on Boxing Day.

Saturday 27 December

Buses replace trains between Royston, Cambridge and Cambridge North

Due to engineering work closing lines in the Cambridge area, rail replacement buses will run between Royston, Cambridge and Cambridge North.

A revised train service will operate between Brighton / London Kings Cross and Royston and also between Cambridge North and Kings Lynn.

Changes to services between London Blackfriars and Sevenoaks, and between London Blackfriars and Sutton

Due to engineering work between London Blackfriars and Herne Hill, the following service changes will be made:

• London Blackfriars - Sevenoaks: No Thameslink trains will run between London Blackfriars and Bellingham. Rail replacement buses will run between London Bridge and Bellingham via Denmark Hill. A revised Thameslink train service will run between Bellingham and Sevenoaks via Bat & Ball

• London Blackfriars - Sutton: No Thameslink trains will run between London Blackfriars and Sutton via Mitcham Junction or Wimbledon. Paper rail tickets will be accepted on TfL Buses, London Underground and London Trams to complete your journey

Late night service changes to and from Brighton

After approximately 23:59 on Saturday night, due to overnight engineering work, no Thameslink trains will run between Haywards Heath and Brighton.

Rail replacement buses will run between Haywards Heath and Brighton, and your tickets will also be accepted on Southern trains between Haywards Heath and Brighton.

Sunday 28 December

Buses replace trains between Royston, Cambridge and Cambridge North

Due to engineering work closing lines in the Cambridge area, rail replacement buses will run between Royston, Cambridge and Cambridge North.

A revised train service will operate between Brighton / London Kings Cross and Royston and also between Cambridge North and Kings Lynn.

Changes to services between London Blackfriars and Sevenoaks, and between London Blackfriars and Sutton

Due to engineering work between London Blackfriars and Herne Hill, the following service changes will be made:

• London Blackfriars - Sevenoaks: No Thameslink trains will run between London Blackfriars and Bellingham. Rail replacement buses will run between London Bridge and Bellingham via Denmark Hill. A revised Thameslink train service will run between Bellingham and Sevenoaks via Bat & Ball

• London Blackfriars - Sutton: No Thameslink trains will run between London Blackfriars and Sutton via Mitcham Junction or Wimbledon. Paper rail tickets will be accepted on TfL Buses, London Underground and London Trams to complete your journey

Early morning service changes between Finsbury Park and Welwyn Garden City / Hertford North

Before 08:30, due to early morning engineering work, buses will replace trains between Finsbury Park and New Barnet / Welwyn Garden City / Gordon Hill / Hertford North, calling at all stations except Harringay and Hornsey. For Harringay / Hornsey, you can use your paper rail tickets at no extra cost on London Buses to complete your journey.

If you're travelling between Finsbury Park and London Kings Cross, paper rail tickets will be accepted on London Underground at no extra cost for journeys between Finsbury Park and London Kings Cross.

Early morning service changes to and from Brighton

Until approximately 08:10 on Sunday morning, due to overnight engineering work, no Thameslink trains will run between Haywards Heath and Brighton.

Rail replacement buses will run between Haywards Heath and Brighton, and your tickets will also be accepted on Southern trains between Haywards Heath and Brighton.

Late night service changes to and from Brighton

After approximately 22:35 on Sunday evening, due to overnight engineering work, no Thameslink trains will run between Haywards Heath and Brighton.

Rail replacement buses will run between Haywards Heath and Brighton, and your tickets will also be accepted on Southern trains between Haywards Heath and Brighton.

Late night service changes between London and Stevenage via Welwyn Garden City

After approximately 23:30 on Sunday evening until the end of service, due to engineering work, buses will replace trains between Finsbury Park and Welwyn Garden City / Stevenage.

Trains between London and Cambridge / Peterborough will divert (non-stop via the Hertford North line), with extended journey times.

Late night service changes at Earlswood (Surrey) and Salfords

From approximately 23:00 on Sunday evening until the end of service, due to engineering work, no trains will call at Earlswood (Surrey) or Salfords.

Rail replacement buses will run between Horley and Redhill to provide train connections at these stations.

Monday 29 December

Buses replace trains between Royston, Cambridge and Cambridge North

Due to engineering work closing lines in the Cambridge area, rail replacement buses will run between Royston, Cambridge and Cambridge North.

A revised train service will operate between Brighton / London Kings Cross and Royston and also between Cambridge North and Kings Lynn.

Changes to services between London Blackfriars and Sevenoaks, and between London Blackfriars and Sutton

Due to engineering work between London Blackfriars and Herne Hill, the following service changes will be made:

• London Blackfriars - Sevenoaks: No Thameslink trains will run between London Blackfriars and Bellingham. Rail replacement buses will run between London Bridge and Bellingham via Denmark Hill. A revised Thameslink train service will run between Bellingham and Sevenoaks via Bat & Ball

• London Blackfriars - Sutton: No Thameslink trains will run between London Blackfriars and Sutton via Mitcham Junction or Wimbledon. Paper rail tickets will be accepted on TfL Buses, London Underground and London Trams to complete your journey

Early morning service changes to and from Brighton

Until approximately 05:20 on Monday morning, due to overnight engineering work, no Thameslink trains will run between Haywards Heath and Brighton.

Rail replacement buses will run between Haywards Heath and Brighton, and your tickets will also be accepted on Southern trains between Haywards Heath and Brighton.

Late night service changes between London and Stevenage via Welwyn Garden City

After approximately 23:30 on Monday evening until the end of service, due to engineering work, buses will replace trains between Finsbury Park and Welwyn Garden City / Stevenage.

Trains between London and Cambridge / Peterborough will divert (non-stop via the Hertford North line), with extended journey times.

Tuesday 30 December

Buses replace trains between Royston, Cambridge and Cambridge North

Due to engineering work closing lines in the Cambridge area, rail replacement buses will run between Royston, Cambridge and Cambridge North.

A revised train service will operate between Brighton / London Kings Cross and Royston and also between Cambridge North and Kings Lynn.

Changes to services between London Blackfriars and Sevenoaks, and between London Blackfriars and Sutton

Due to engineering work between London Blackfriars and Herne Hill, the following service changes will be made:

• London Blackfriars - Sevenoaks: No Thameslink trains will run between London Blackfriars and Bellingham. Rail replacement buses will run between London Bridge and Bellingham via Denmark Hill. A revised Thameslink train service will run between Bellingham and Sevenoaks via Bat & Ball

• London Blackfriars - Sutton: No Thameslink trains will run between London Blackfriars and Sutton via Mitcham Junction or Wimbledon. Paper rail tickets will be accepted on TfL Buses, London Underground and London Trams to complete your journey

Late night service changes between London and Stevenage via Welwyn Garden City

After approximately 23:30 on Tuesday evening until the end of service, due to engineering work, buses will replace trains between Finsbury Park and Welwyn Garden City / Stevenage.

Trains between London and Cambridge / Peterborough will divert (non-stop via the Hertford North line), with extended journey times.

Wednesday 31 December

Buses replace trains between Royston, Cambridge and Cambridge North

Due to engineering work closing lines in the Cambridge area, rail replacement buses will run between Royston, Cambridge and Cambridge North.

A revised train service will operate between Brighton / London Kings Cross and Royston and also between Cambridge North and Kings Lynn.

Changes to services between London Blackfriars and Sevenoaks, and between London Blackfriars and Sutton

Due to engineering work between London Blackfriars and Herne Hill, the following service changes will be made:

• London Blackfriars - Sevenoaks: No Thameslink trains will run between London Blackfriars and Bellingham. Rail replacement buses will run between London Bridge and Bellingham via Denmark Hill. A revised Thameslink train service will run between Bellingham and Sevenoaks via Bat & Ball

• London Blackfriars - Sutton: No Thameslink trains will run between London Blackfriars and Sutton via Mitcham Junction or Wimbledon. Paper rail tickets will be accepted on TfL Buses, London Underground and London Trams to complete your journey

Late night service changes between London and Stevenage via Welwyn Garden City

After approximately 23:30 on Wednesday evening until the end of service, due to engineering work, buses will replace trains between Finsbury Park and Welwyn Garden City / Stevenage.

Trains between London and Cambridge / Peterborough will divert (non-stop via the Hertford North line), with extended journey times.

Thursday 1 January 2026 - New Year's Day

Buses replace trains between Royston, Cambridge and Cambridge North

Due to engineering work closing lines in the Cambridge area, rail replacement buses will run between Royston, Cambridge and Cambridge North.

A revised train service will operate between Brighton / London Kings Cross and Royston and also between Cambridge North and Kings Lynn.

Late night service changes between London and Stevenage via Welwyn Garden City

After approximately 23:30 on Thursday evening until the end of service, due to engineering work, buses will replace trains between Finsbury Park and Welwyn Garden City / Stevenage.

Trains between London and Cambridge / Peterborough will divert (non-stop via the Hertford North line), with extended journey times.

Friday 2 January

Buses replace trains between Royston, Cambridge and Cambridge North

Due to engineering work closing lines in the Cambridge area, rail replacement buses will run between Royston, Cambridge and Cambridge North.

A revised train service will operate between Brighton / London Kings Cross and Royston and also between Cambridge North and Kings Lynn.

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