Councillor Andrew Johnson, leader of the council, said: "With the ending of national restrictions on 2 December, the Royal Borough along with the majority of Berkshire will be placed in tier 2: high alert level.
“The full details of tier 2: high alert can be found on the Gov.uk website.
"We are constantly reviewing the situation, taking expert advice from our dedicated public health professionals and liaising with government. We await further details about how the process works to move back to tier 1.
“Please remember that we still have significant community transmission of the virus across the Royal Borough. There will be a temptation to get out and about again as normal, but please be sensible, take care and look after yourselves and loved ones.
“Remember to wash your hands regularly, wear a face covering where appropriate and keep space between yourself and those not in your household. If you have symptoms please self-isolate and get a test. We have a number of resources to help our residents, so please get in touch if you need support.
"Please share this message and encourage your friends and family to do their bit. Help keep everyone safe. Follow the data, support local business and stop the spread."