The 43-year-old actor told Metro that there is a definite possibility the cast will reunite for another episode of the classic ITV drama.
Thomson explained: "I'm asked every week when it's coming back. It's phenomenal. We haven't done it for nine years but people still want a new series.
"The cast was great. It was shot on 16mm film, so it looked great. Nothing's shot on film anymore. And it had great writing. It appealed to both men and women. There's a demographic there that wants to see more.
"I'd definitely do it. The last time there were rumblings of a sequel, we were asked by our agents and were all quite keen to do it."
The star added: "The big problem is what to do with Helen's character. She died in the final episode, so you couldn't bring her back without being cheesy - maybe a twin, a changeling, an alien abduction.
"I'm up for it but it's opening a can of worms. You'd be hard-pushed to match or better the quality."
> John Thomson wants Cold Feet ten-year reunion: 'We're all up for it'
> John Thomson: 'I wouldn't return to Coronation Street