The historic Basin Reserve grandstand will be saved, with $7.6 million to be spent to restore it.
The plan is make the grandstand, at Wellington's famous sports ground, 100 per cent of the building code.
Mayor Justin Lester said city leaders wanted to restore the cricketing ground to being one of the best venues in the world.
Speaking to media at the Basin Reserve, Lester said Wellington City Council would invest in protecting the historic site.
"We want this to remain Wellington's premier cricketing venue - and one of the best cricketing venues in the world," he said.