The Aviva Premiership new-boys, who on Friday were confirmed to have won their appeal to play in the top flight, are now on the lookout for players.
"We haven't spoken to Gavin since much earlier in the year, but we are obviously now very much in the market for players of proven quality and Gavin Henson has proved himself to be that time and time again," London Welsh managing director John Taylor explained to the Sunday Telegraph.
"It is certainly possible that we will be back in touch but in that event London Welsh would need assurances from Gavin that he is prepared to buy into our team ethic, our pay scales and that we would not just be a base for his other careers."
With Henson unattached after having his Blues contract terminated - and also the Exiles' director of rugby being former Ospreys boss Lyn Jones - contact is expected to be made.
London Welsh reportedly have eight spots available for new players ahead of 2012/13.
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