Choosing your wedding venue is one of the first and most important steps in the wedding planning process.  It sets the stage for your celebration and can make or break the dream that you have for your day.  If you have a particular venue in mind, you should think about booking it straight away.  If, however you are open to exploring the various options that are available, it is advisable to start your search 18 months before your wedding date to ensure that you can secure your dream London venue.  This advice also goes for booking your suppliers, the earlier you book them, the better chance you have of securing them for your wedding.