Harlequins director of rugby Richards is a strong contender for the job after his success at domestic and European level with Leicester, but insists it is far from a fait accompli.
"If someone knocks on my door, I would listen," Richards told the Daily Mail.
"But, and it is a massive but, a lot of questions would have to be asked. Things would have to be right. I haven't been approached."
The Club England committee must decide whether to appoint someone in the short term to see them through next year's RBS 6 Nations Championship and the defence of the World Cup or to find a long-term successor to Robinson.