Postcode 6440 6440
Postcode 6440 is one of WA's top-tier suburbs on the wall of green. With 76 rooftop systems installed, about 46% of solar-suitable homes have made the switch. Home batteries (5) and heat pump hot water (5) are the fastest-growing holdings. That puts 6440 at #38 of 381 in WA and #273 of 2630 nationally, with a Suburb Green Index of 78.5 — 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 6440 compares
Solar uptake here is 46% of suitable rooftops, ahead of the WA median of 43%. Overall, 6440 ranks in the top 10% of WA postcodes on the Suburb Green Index.
Live in Postcode 6440?
Take the free 3-minute AI green audit — get your household's Green Score, a personalised switch plan with rebates, and help Postcode 6440 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.