This brings the total number of confirmed cases to 104. People who test positive and their contacts have been asked to self-isolate. Work is underway to find links to travel.
Cases have been identified in the East Midlands, East England, London, North East, North West, South East, South West and West Midlands.
Earlier on Friday, health officials said more than half of those infected with the Omicron variant had received a double bite.
Dr Jenny Harry, UKHSA Chief Executive Officer, said: “Increased case detection through targeted contact tracing has identified and confirmed more cases of the Omicron variant, as we have seen in previous reports. other countries of the world.
“We continue to closely monitor the data. National and local teams are working at a steady pace to identify and trace all close contacts of each Omicron case. It is essential that anyone with symptoms of Covid-19 self-isolate and receive a PCR test immediately.
“We started to see cases where there is no connection to travel, which suggests that we have a small amount of community transmission. ”