Postcode 4021 4021
Postcode 4021 is one of QLD's up-and-coming suburbs on the wall of green. Roughly 48% of suitable rooftops here already have solar — 1,740 systems and counting. Home batteries (92) and heat pump hot water (86) are the fastest-growing holdings. That puts 4021 at #281 of 432 in QLD and #634 of 2630 nationally, with a Suburb Green Index of 75.7 — below 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 4021 compares
Solar uptake here is 48% of suitable rooftops, ahead of the QLD median of 47%. Overall, 4021 ranks in the top 65% of QLD postcodes on the Suburb Green Index.
Live in Postcode 4021?
Take the free 3-minute AI green audit — get your household's Green Score, a personalised switch plan with rebates, and help Postcode 4021 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.