Postcode 6420 6420
On GreenWall St's map, Postcode 6420 (6420) shows up as a top-tier performer in WA. With 12 rooftop systems installed, about 41% of solar-suitable homes have made the switch. 1 batteries and 1 heat pumps round out the postcode's clean-energy portfolio. That puts 6420 at #31 of 381 in WA and #173 of 2630 nationally, with a Suburb Green Index of 79.3 — 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 6420 compares
Solar uptake here is 41% of suitable rooftops, behind the WA median of 43%. Overall, 6420 ranks in the top 8% of WA postcodes on the Suburb Green Index.
Live in Postcode 6420?
Take the free 3-minute AI green audit — get your household's Green Score, a personalised switch plan with rebates, and help Postcode 6420 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.