Where best suits a date depends wholly on how one wants the date to end up, and where in the relationship the date is coming. Those wanting to win over a crush are best in restaurants of nooks and crannies, with candles and cocktails.
London is not short on romantic restaurants, though few besides Clos Maggiore explicitly bill themselves as such (and beware, only the flower-covered room is especially romantic). Restaurants like Islington’s Trullo and Sessions Arts Club in Farringdon rarely fail when called upon, ditto Casse-Croûte, Le Beaujolais, or Sloane Square newcomer Martino’s. But these, Martino’s aside, are all old favourites, rolled out year after year. Here are a few other ideas.