The House of Lords passed the third reading of the Marriage (Same Sex Couples) Bill yesterday (Monday). They passed it with one significant amendment introducing an extra clause (regarding survivors benefits for those already in a civil partnership) and a bunch of trivial amendments adjusting other clauses to allow for the new one.
The Bill now returns to the Commons which is likely to accept the amendments and pass the Bill before the summer recess begins on Thursday.
Royal Assent is expected to come soon, possibly before the end of the week.
The first same sex marriages will then occur in 2014.