As we know, London is expensive and forking out for meal after meal really mounts up. We have a few tips up our sleeve to keep costs down on food during your visit. Picnic Well duh we hear you say, but London has so many beautiful parks that it would be wrong not to take full advantage of them, not only can you keep food costs down by heading off for a picnic, it can be a really great way to relax away from the more crowded areas you might be visiting during your stay. Book a