I never thought I'd say this but in defence of big coal, rent controls, which the greens advocate, have historically caused real rents for those not in existing rentals to skyrocket. I'm anti-coal but this rental cap policy is stupid.
Rental demand and supply needs to be addressed. Just fucking with prices via a cap has tons of unintended consequences. I see nothing in the greens policies about easing innner-city zoning restrictions, or increasing the supply of construction labour, both of which would be much more effective at reducing real rents.
https://www.sciencedirect.com/science/article/pii/S1051137724000020