I sent a letter asking some questions to Michael as well as to 7 other cast members in one envelope on: 23rd May 2014, and last Saturday I recieved my Q+A back unanswered, included was a signed photo of him Still really happy.
address I used was:
Eastenders,
BBC Elstree Centre,
Clarendon Road,
Borehamwood,
Herts
WD6 1JF