Seventy3 takes over the Alderney Drive space long occupied by La Perla, the much-loved high-end Italian restaurant. The interior is quietly elegant, with plenty of exposed brick and big, comfortable chairs. The menu is also casually upscale, offering straightforward dishes, such as wild mushroom risotto, as well as playful takes – fried oyster taco, anyone? Avocado and lobster club sandwich? – on well-established favourites.