The measures came into force on Thursday, November 5, and last until December 2.
It means that shops and businesses have had to shut once again, however this time non-essential retail can remain open for online delivery and click-and-collect.
Other Lockdown news: These trusted businesses are offering online shopping during lockdown | Full list of businesses which will be allowed to open in Portsmouth during coronavirus lockdown
We sent one of The News’ photographers down to Commercial Road to see which businesses have remained open.
Click through the gallery below to see what is open in the Portsmouth city centre during lockdown – and any restrictions in place.
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1. Poundland
Poundland in Commercial Road, Portsmouth is open during the current lockdown. Picture: Sarah Standing (051120-7683) Photo: Sarah Standing
2. Specsavers
Specsavers is open in Commercial Road, Portsmouth during the lockdown. Picture: Sarah Standing (051120-7670) Photo: Sarah Standing
3. Argos
Argos in Commercial Road, Portsmouth is open during lockdown. However it is open for collection of pre-paid online orders only, collections from stand alone stores will be given to you outside the door and you will not be able to purchase items in any store. Picture: Sarah Standing (051120-7663) Photo: Sarah Standing
4. Boots
Boots in Commercial Road, Portsmouth is open during the lockdown. Picture: Sarah Standing (051120-7701) Photo: Sarah Standing