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The following chart covers tipping guidelines for three of the most common times tipping is expected: at restaurants, during travel, and at salons. For more information, read about the finer points of tipping and holiday tipping. Restaurants: Wait service (sit down): 15-20%, pre-tax. Wait service (buffet): 10%, pre-tax.
However, if you've had table service you should tip about 10% and, as with restaurants, you may find a 12.5% service charge added when table service has been offered. Joseph Reaney. Correspondent. London, England, UK. Tipping is standard practice for many services in London.If you are eating in a restaurant, it is not uncommon for a 12.5 percent service charge to be automatically added to your bill â and even if it isn't, then a tip of around 10 percent is probably expected.ondon, England, UK. There's no hard and fast rule about tipping in London (or indeed in the UK as a whole), which means that this can be quite a confusing issue for visitors to the city. Here are a few guidelines though, that should keep you out of trouble.*.