Thameslink First Class: Everything you need to know

Marqv Neves

Published: Aug 26, 2025

Updated: August 31, 2026

Thameslink First Class: Everything you need to know

Thameslink First Class offers a calmer and more spacious way to travel compared with Standard. Whether you are commuting into London, travelling to Gatwick Airport, or heading further afield to Bedford, Brighton or Cambridge, First Class provides greater comfort and room.

This guide explains everything about First Class Thameslink, covering what is included, how to upgrade, where First Class is located on the train, the meaning of Thameslink First Class declassified, and whether the extra cost is worth it. You can also check fares, routes and ticket availability directly on Trip.com, an official partner for Thameslink tickets.

Photo by Train Photos

What is included with Thameslink First Class

Thameslink First Class focuses on improved comfort rather than outright luxury. The benefits are mainly about extra space, quieter surroundings and a more convenient environment, which makes it appealing for both commuters and leisure travellers.

These features include:

Quieter carriages with fewer passengers than Standard
Larger seats with extra legroom
First Class sections are usually located at the ends of trains for a calmer setting
Power sockets in most First Class sections

Across the train, you'll also find:

Tables in some carriages, suitable for working or reading
Free onboard WiFi across the whole train

Note that Thameslink does not provide complimentary food or drinks in First Class.

How to upgrade to First Class on Thameslink

There are several ways to travel in Thameslink First Class, whether booked in advance or decided on the day.

Booking First Class tickets in advance

The simplest method is to choose First Class when booking your journey online. Booking early usually secures a lower price than buying at the station. Look out for the 'View 1st Class & More Tickets' option once you've selected your ideal travel time.

Buying First Class tickets at the station

Tickets can be purchased at ticket offices or machines before departure. While convenient, these are often more expensive than advance fares.

Upgrading a Standard ticket

If you already hold a Standard ticket, you can upgrade by:

Speaking to station staff before boarding and paying the difference
Asking the train conductor about certain services and upgrading onboard

Passengers must hold a valid First Class ticket before sitting in First Class. Without one, a penalty fare may apply.

Weekend First upgrades

Some train operators offer cheaper First Class upgrades at weekends. Thameslink does not regularly advertise these, but it may be worth checking at the station.

Is First Class available on all Thameslink trains?

Not every Thameslink service has First Class. Longer-distance routes such as Bedford to Brighton, Cambridge to Gatwick, and Peterborough to London usually include First Class. Shorter commuter services within London often do not.

When booking with Trip.com, it is clearly shown if First Class is available for your chosen route. Look out for the 'View 1st Class & More Tickets' after selecting your route.

Does Thameslink offer a First Class lounge?

No, Thameslink does not offer any First Class lounges.

Thameslink First Class seating plan

On Thameslink Class 700 trains, First Class is normally located at either the front (Coach 1) or rear (Coach 12) of the train, depending on direction.

The layout includes:

Seating arranged 2 + 2 with slightly larger seats
Tables available in some areas
Power sockets in most First Class sections

Photo by PeterSkuce

What is Thameslink First Class declassified?

Thameslink First Class declassified refers to occasions when some First Class areas are made available to Standard ticket holders. This allows passengers to sit in these sections without paying extra.

Declassification typically occurs when:

Standard Class is overcrowded during busy times
Certain carriages are permanently declassified and always open to all passengers
Demand for First Class is lower, often during evenings or weekends

Passengers should always check the signage or listen to announcements. Not all First Class areas are declassified, and sitting in the wrong carriage without the correct ticket may lead to a penalty fare.

Is Thameslink First Class worth it?

The value of travelling in Thameslink First Class depends on the type of journey.

For short trips within London, the difference compared with Standard is less noticeable. On longer routes, such as London to Brighton, Bedford or Cambridge, the quieter setting, extra legroom and higher chance of finding a seat during peak hours provide real advantages.

Although no free catering is included, First Class offers: