The Cyprus international came off during Saturday's 1-0 win over Millwall with a cut head, but he will be patched up to travel to Carrow Road.
Geraint Williams will have a selection dilemma, though, after on-loan Tottenham youngster Andros Townsend hit the winner just two minutes after replacing Demetriou.
Skipper Stephen Purches underwent surgery on a fractured cheekbone last week and misses out again, while midfielder Adam Chambers is still struggling with his ongoing calf problem.
Kristian O'Leary has returned to Swansea after his loan spell was cut short by a knee injury, and fellow midfielder Sean Thornton's knee problem keeps him out again.
