Banned fake lawns are quietly appearing on council‑owned nature strips in Sydney and Melbourne, slipping past inspectors because they look so real – even as fresh thermal imaging shows artificial turf can bake to nearly 90C, turbocharging crackdowns over heat, microplastics and biodiversity harm.
Councils say the plastic carpets turn verges into “ecological deserts”, while researchers warn the health and environmental costs are mounting.
Councils across Australia have outlawed synthetic turf on street verges, citing soil damage, microplastics and lost habitat.
Yet Yahoo News has documented multiple cases of homeowners flouting the rules in both cities.
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The entire nature strip in front of this Randwick childcare centre has been replaced with synthetic turf. Source: Yahoo News.
RMIT senior lecturer Dr Muhammad Safiullah said it was “unexpected” that so many residents are defying the rules.
“As it is a nature strip, the name indicates it should be natural,” he told Yahoo News.
“If we cover nature with synthetic turf, it’s very disappointing.”
While it can be hard to police what people do inside their fences, nature strips are public land designed to benefit the whole street – cooling pavements, soaking up stormwater and supporting urban wildlife.
Synthetic turf is convenient – no mowing and no watering – but as it ages it sheds plastic into drains, parks and homes, and blocks water and oxygen from the soil beneath, creating what Dr Safiullah calls “ecological deserts” devoid of microorganisms and invertebrates.
Natural verges also feed native birds such as magpies and kookaburras by supporting worms and bugs; plastic rugs cut off that supply.
It can be difficult for council officers to spot synthetic lawn because it’s often quite realistic. Source: Yahoo News
In Sydney’s east, Randwick City Council confirmed synthetic turf is “not permitted” on nature strips, but realistic plastic grass has still been laid on several streets.
One stretch sits outside a property leased by a childcare centre; despite being installed years ago, the council said it was unaware of its existence and promised to follow up with the landlord.
Around 8km away in Maroubra, metres of plastic grass in front of an apartment block had also gone unnoticed.
In Melbourne’s inner west, the City of Maribyrnong prohibits artificial turf on nature strips and discourages it in yards, but multiple properties have ignored the rules.
With tree canopy at around 5.5 per cent – the city’s lowest – the council is spending $1 million to restore nature in public spaces.
Plants transpire and shade streets, but concrete and plastic store and radiate heat after sunset, worsening the urban heat island effect and driving up power bills.
Heat is now the flashpoint.
Thermal imaging at the Mount Gambier Bowls Club shows how hot common surfaces get on a 40C day. (Supplied: SA SES)
On a 40C day in January, South Australia’s State Emergency Service flew a thermal‑imaging drone over Mount Gambier and recorded a staggering 86.75C on synthetic turf – more than double the air temperature.
SES chief remote pilot Brad Flew said, “It was an opportunity to use drones in the heat and actually test their capabilities,” telling the ABC the flight “gave us some really interesting insights into…the surface temperatures.”
He added: “To actually see how broad that temperature was, even on things like astroturf or fake grass through the concrete and bitumen (was surprising).”
Emergency services warn these hot carpets amplify heat stress and neighbourhood temperatures and can cause burns.
Thankfully, public sentiment is shifting.
In a poll of more than 14,500 people, 48 per cent said artificial turf’s environmental impact is a “worry”.
Dr Safiullah argues education, not fines, should come first.
“Councils need to educate people,” he said.
“They should tell them they are harming biodiversity, harming the environment, harming human health.”
For residents who don’t want to mow, many councils – including Randwick and Maribyrnong – allow low‑maintenance native plantings on verges.
Replacing plastic with natives cuts upkeep over time, cools streets and brings back bees and other insects – a win for households and the wider community.
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