Postcode 4420 4420
Postcode 4420 is one of QLD's strong suburbs on the wall of green. With 204 rooftop systems installed, about 50% of solar-suitable homes have made the switch. 12 batteries and 11 heat pumps round out the postcode's clean-energy portfolio. That puts 4420 at #107 of 432 in QLD and #312 of 2630 nationally, with a Suburb Green Index of 78.1 — above the state median. Every household that takes the free green audit lifts the suburb's standing — renters and owners alike earn a Green Score, a personalised switch plan, and credits for every green action.
How Postcode 4420 compares
Solar uptake here is 50% of suitable rooftops, ahead of the QLD median of 47%. Overall, 4420 ranks in the top 25% of QLD postcodes on the Suburb Green Index.
Live in Postcode 4420?
Take the free 3-minute AI green audit — get your household's Green Score, a personalised switch plan with rebates, and help Postcode 4420 grow a little greener.
Get my Green Score →Installation figures derived from Clean Energy Regulator small-scale installation postcode data (as of estimated (state averages)); dwelling counts from ABS Census. Estimates are indicative.