I have been to lash magnifique 3 times. Although they are not the cheapest I find all of the staff excellent. I have had eyelash extensions by Maia, Marta and Amy who were all great.
I’ve got the Russian Volume lash extensions which are absolutely beautiful, and a great investment. I didn’t have to go back for infills till the 5 week mark, so good value for money. Marta was excellent. Would definitely recommend.. (although secretly I don’t want everyone in London to have such good lash game).