Balancing concerns about extra flights is the likely scale of investment and the number of jobs tied to it.
Kandola, said the ambition of the project was “something to behold”.
“If you’re getting more tourists into the region, more business and more investment, that can only be a good thing,” he said.
Richard Parker, the Labour mayor of the West Midlands, also welcomed the “ambitious masterplan” which he said would improve international links and unlock vital backing for local businesses and supply chains.
Airport chiefs said the “unprecedented” proposals set out a “clear commitment” to continue serving the region.
They added they wanted to make sure the growth was “delivered responsibly and sustainably” for the people living near the site.
The first stage of development could start in 2027, with investment in areas such as baggage and terminal facilities, additional aircraft stands and accessibility.
People can give feedback on the plans, external online, by post or attend any of the 20 events, which start in Hampton in Arden on 16 October.
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