Whether it's a hot first date, or an anniversary night with a loved one, a stylish bar in London is the perfect spot for clinking cocktail glasses, flirting, and enjoying sophisticated chatter. If you're looking for a pre-dinner drink or a late nightcap, then you can't beat these five chic London bars for ambience and style. source[/caption] With a decadent 1920s style, Kettner's bar is bathed in the soft glow of Tiffany lamps and tall candlesticks at night, creating the perfect playful, flirty atmosphere. The cocktail menu is inspired by the bar's scandalous past, with plenty of gin, and cocktails dedicated to its famous patrons. source[/caption] For a dramatic view of the South Bank, you can't beat the floor to ceiling windows of the bar attached to the contemporary Restaurant at Tate Modern. Sipping on a simple, classic cocktail, you can watch the sun go down over St Paul's Cathedral, the Thames, and the London skyline. source[/caption] This exotic, Moroccan themed lounge is decorated in deep red with gold accents, such as oversized chandeliers, creating a romantic atmosphere. You can enjoy a wide selection of exotic cocktails created by the in-house mixologist, with side plates of mezze if you feel peckish. The lounge often has live entertainment such as belly dancers, giving it a lively atmosphere. source[/caption] If you prefer a more relaxed environment for your date, then the cosy Lost Angel has a contemporary cocktail menu, with craft gins and homemade cordials amongst the special touches. The venue is unpretentious, with a cosy, traditional pub atmosphere and dark wood interior, as well as a cute courtyard garden for drinking under the stars. source[/caption] This laid back, speakeasy style bar is ideal for hipster couples, or those who want to impress their date with their knowledge of London's best cocktail spots. This rustic styled, underground bar is perfect for candlelit clandestine meetings, with classic, unpretentious cocktails.