Central London is known to be a tad expensive so keep an eye out for these deals - the-all-you-can-eat for £6 Chinese restaurants in Chinatown , the real-food-at-real-prices Stockpot on Panton St, SW1, the I-could-eat-noodles-all-day Wagamamas everywhere and the there's-enough-on-my- plate-for-a-week Café Emm , Frith St, W1.