Postcode 4421 4421
On GreenWall St's map, Postcode 4421 (4421) shows up as a strong performer in QLD. Roughly 45% of suitable rooftops here already have solar — 358 systems and counting. 24 batteries and 19 heat pumps round out the postcode's clean-energy portfolio. That puts 4421 at #206 of 432 in QLD and #517 of 2630 nationally, with a Suburb Green Index of 76.6 — 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 4421 compares
Solar uptake here is 45% of suitable rooftops, behind the QLD median of 47%. Overall, 4421 ranks in the top 48% of QLD postcodes on the Suburb Green Index.
Live in Postcode 4421?
Take the free 3-minute AI green audit — get your household's Green Score, a personalised switch plan with rebates, and help Postcode 4421 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.