"If a vehicle's stolen, there's a high chance that further mischief is planned for that vehicle," Wilkinson said.
Police could stopped the Lyall Bay offender before he got back into the stolen car and fled the scene, he said.
"Most large shopping centres in the UK have them, all of the police cars in the UK have them.
"There's a certain guardianship required by large property owners, knowing that this kind of technology is available."
Although some might consider the technology Big Brother-like, it was "essentially non-invasive", only looking at vehicles that were deemed "at-risk", Wilkinson said.
"This is all about taking a proactive stance on these kinds of high-risk potential situations."
Property owners would not have access to the number plate databases, he said.
"This will only benefit our city."
The systems could help tackle the rise in threatening thefts and "thefts to order".
Although reported shop thefts in Wellington's CBD are declining, there has been an increase in theft to order, as well as in thieves entering stores and threatening staff.
Theft to order refers to entering a shop with a list of things to steal in large amounts, rather than swiping one or two items.
"This has been a change that's happening across New Zealand, it's becoming more prolific," Wilkinson said.
"They're going into these stores taking not one but 10 of these items, which is very, very concerning for retailers."
The rise in threatening thefts was becoming "a bit of a challenge" as well.