okay people let's keep it on topic, To get his visa extension, the O/P does NOT need a lease if he's staying at a property owned by his wife, he does not need a yellow house book, OR the snazzy pink i/d card for foreigners either.
He needs to get registered as a foreigner in residence in the TM30 system (that his wife can sign up for at the website Ellie provided) and most likely all he'd need to get an extension would be his wife's thai I/D copy and the blue house book of the address where he's staying.
Let's not make this any harder than it has to be for him
@Michael ********
have your wife make a log in on the TM30 system, register you and print the confirmation. That's the first step (y)