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.
A message from the Editor, Mark Waldron
The News is more reliant than ever on you taking out a digital subscription to support our journalism.
You can subscribe here for unlimited access to Portsmouth news online - as well as our new Puzzles section.
21. The Vapour Room
The Vapour Room in Commercial Road, Portsmouth is open for click and collect and delivery during lockdown. Picture: Sarah Standing (051120-7773) Photo: Sarah Standing
22. Savers
Savers in Commerical Road, Portsmouth, is open during the lockdown. Picture: Sarah Standing (051120-7666) Photo: Sarah Standing