Water Tanks & Stormwater Cost in Perth
Rainwater tank install, stormwater systems, pumps. Perth runs 18% below the national median.
Observed range
$2,460–$12,300
Median $6,560
Based on
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Before you book: what to ask a water tanks & stormwater →
The exact questions to ask, the common mistakes that cost people money, and what's usually included vs charged extra.
Water Tanks & Stormwater prices by job type in Perth
Different jobs sit at very different price points. Here is what each typically costs in Perth.
Single tank + pump (2,000L)
$2,460–$4,100
Dual tank system
$4,100–$6,560
Full stormwater + tanks
$6,560–$12,300
Underground tank
$4,920–$9,840
Common water tanks & stormwater add-ons
These sit outside the base range. Get them itemised in your quote.
Typically included
- ✓Tank supply
- ✓Basic installation
- ✓Pump
- ✓Downpipe connection
Usually charged extra
- +Underground excavation
- +Plumbing to house
- +Filtration
- +Stormwater redesign
- +Council permits
How we calculated this: The Perth range is derived from the national water tanks & stormwater observed range ($3,000–$15,000), scope-normalised across submissions, then adjusted by Perth's cost-of-service multiplier (0.82×). Full methodology →
What drives water tanks & stormwater price in Perth
Underground installation
Distance from house
Number of tanks
Stormwater integration
Pump type
Council requirements
Water Tanks & Stormwater in other cities
See how Perth compares for water tanks & stormwater.
Current
Perth
$2,460–$12,300
Sydney
$3,000–$15,000
Melbourne
$2,760–$13,800
Brisbane
$2,550–$12,750
Adelaide
$2,340–$11,700
Canberra
$2,790–$13,950
Hobart
$2,460–$12,300
Darwin
$2,640–$13,200
Gold Coast
$2,490–$12,450
Toowoomba
$2,340–$11,700
Ballarat
$2,520–$12,600
Bendigo
$2,490–$12,450
Townsville
$2,550–$12,750
Mackay
$2,760–$13,800
Albury-Wodonga
$2,400–$12,000
Other home services in Perth
Common water tanks & stormwater quote mistakes
Underestimating total cost
A $2,000 tank becomes $8,000+ with pump, plumbing, filter, and stormwater integration.
Frequently asked questions
How much does water tanks & stormwater cost in Perth?+
Do I need council approval?+
How long does installation take?+
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