Hi,

could someone kindly advice me.

i applied for my BrIrish passport three weeks ago and for some unforeseen reasons, I am moving to another house next week ( ie before I will get my invitation letter for the passport interview)

How do I notify the passport office that I have/will be changing my address? Will this delay my passport processing time.? Is it best  to wait until I get my invitation letter and  then notify them that I have changed my address? Or can I just notify them during the interview itself that I have now changed address? Has someone  been through a similar dilemma in the past? 

Kindly advise