Within London's transport system, you can reach the venue by these methods:

• Underground (aka the Tube) - subway system with a large number of stations, particularly in inner Central London. Fare based on Zones.
• Overground - purely above-ground extension of the Underground, connecting areas further out that aren't well-served by the Underground. Fare based on Zones.
• Bus - the old red classic. Only available from certain locations, and don't allow cash payment. £1.50 flat rate per journey.
• Train - West Brompton is on a line connecting a handful of locations in west London. More expensive fare based on Zones.

In general we recommend using the Underground and/or Overground, unless another method makes more sense. Particularly if flying into Heathrow Airport, the Tube extends all the way to Heathrow and is by far the cheapest option to get into London.

Most public transport (notable exceptions are the high speed train services from Heathrow, Gatwick and Stansted airports) in London is part of a centralised fare system. London is split into a series of Zones starting at 1, whereby the higher the number, the further out you are from the middle of the city. SoS' venue is in Zone 2 (West Brompton, in the south-west). While you can buy single tickets (except on buses), they're usually prohibitively expensive. The other options are:

• Travelcard - a prepaid ticket covering a day (or 7 days) of travel. You need to choose which Zones are covered when you buy the card.
• Oyster - a plastic prepayment card that offers discounted single fares based on which Zones you go through (or £1.50 for bus journeys). You have to buy the card (£5, or there is a tourist version for £3 that can be delivered to your home even if you aren't in the UK) You tap the card on a reader at the stations' entrance and exit, and it takes the appropriate fare from your balance. Once you reach a certain amount paid in one day, you're not charged any more for further journeys. Over the course of one day, Oyster should never be more expensive than an equivalent Travelcard.
• Contactless - Oyster tap in points also accept contactless bank cards. For the most part, the charges are the same as Oyster, though there are some differences, including a weekly cap in addition to the daily cap.

All three choices are about as good as each other, though Travelcard is usually more expensive and less convenient. Oyster is a good choice if you intend to travel in London often, while contactless can be better if you're only going there once. However, if you're coming from abroad, avoid using your foreign contactless card as you will likely be hit hard by currency exchange charges.

By train from west of London
From Clapham Junction, take the Overground (Platform 1) towards Stratford and alight at West Brompton (7 minutes, no changes).

By plane into Gatwick Airport
The easyBus service to Earl's Court drops off opposite West Brompton rail station, and picks up at the bus stop outside the venue (approx. 1 hour 5 minutes, no changes).

By plane into Heathrow Airport
Take the Underground (Picadilly Line) to Earl's Court, then the District Line towards Wimbledon and alight at West Brompton (45 minutes, 1 change).