For the story so far, see http://www.breakinglaw.co.uk/search/label/Nikah%20ceremonies
The judge who granted the decree has refused permission to appeal to both the 'husband' and the Attorney-General who intervened so as to be heard at the contested hearing when the judge had to decide whether there had been a marriage ceremony which was susceptible to the grant of a decree.
The 'husband' can now have a go at obtaining permission to appeal from the Court of Appeal which would determine the actual appeal if permission was granted. This is precisely what he is now doing.
Watch this space and, in the meantime, you can read about nullity, divorce, judicial separation, dissolution and the rest in.....Breaking Law!