Salisbury and Wiltshire, excluding Swindon, will remain in Tier 2 of Coronavirus Restrictions whilst most of Hampshire moves to Tier 4.
The New Forest is the exception in Hampshire, with that area moving to Tier 3.
Bristol, Gloucestershire, Somerset, including the North Somerset council area, Swindon, the Isle of Wight, the New Forest will move to Tier 3.
Cases in Wiltshire are on the rise with 525 cases in the previous week (12-18th December), which is a jump of 142 cases.
That is 105 cases per 100,000 people, below the English average of 223.
Cases across the country have increased by 56% across the country in the last week.
During a press briefing today, Matt Hancock, Health Secretary explained the reasoning behind the tier changes. He said:
From 00.01 on Boxing Day Sussex, Oxfordshire, Suffolk, Norfolk and Cambridgeshire, those parts of Essex not yet in Tier 4, Waverley in Surrey and Hampshire including Portsmouth and Southampton but with the exception of the New Forest will all be escalated to Tier 4. The old tiering system is not enough to control the new strain of the virus. We know that the three-tiered system worked to control the old variant and is working now in large parts of the country especially in northern England. But we also know that Tier 3 is not enough to control the new variant. This is not our hypothesis, it is a fact and we have seen it on the ground.
Tier 4 Restrictions are as follows: