Well done mate, just keep on at the solicitors, it drags on a bit, but the agents will be keep to get the deal done and sounds like the sellers will be too.
I did it without a chain in 8 weeks, could have been quicker but we dragged our feet a little, then had to kick the solicitors up the rectum towards the end.
Nothing better than when you have got everything in, sit down on the sofa and enjoy that first beer with your feet up in your own gaff!!