Suburb fuel prices

Cheap Unleaded 91 in Castletown Western Australia 6450

2.8c above the Western Australia averageCastletown is 3.4c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 5 hr ago AEST · sourced from FuelWatch

Castletown · U91Above the state avg

WAIT

U91 in Castletown is dearer than the Western Australia average

Castletown sits 2.8c above the Western Australia average. Castletown is 3.4c/L under its 30-day average right now — near the bottom of the cycle.

How it compares

  • Western Australia state avg170.6c/L+2.8c/L
  • National avg165.9c/L+7.5c/L
  • Wholesale (TGP)154.1c/L+19.3c/L
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FuelWatch WA

Today and tomorrow fuel prices in Castletown

Official WA next-day prices are published from 2:30pm and apply from 6am tomorrow. Use the tabs to compare today against the locked tomorrow price.

Source: FuelWatch WA official next-day prices. Tomorrow prices apply from 6:00am in Western Australia.

30-day spread · U91

Castletown U91 cycle

Castletown is currently 3.4c/L below its 30-day average — a relatively good time to fill up.

30-day low

170.9c/L

Lowest point in the local spread

30-day average

185.5c/L

30-day high

219.9c/L

Today's average

182.1c/L

170.0195.0220.026 May10 June24 June
Daily averageMin–max spread across Castletown stations

7-day outlook

Castletown 7-day U91 outlook

Rising · +11.1c/L over 7 days

Castletown prices follow the Perth cycle, so this outlook takes the Perth U91 forecast and adjusts it to Castletown's own price level using 90 days of local history. You can see the Perth benchmark alongside the local estimate below.

1 day until the cycle trough — usually the cheapest day.

Castletown today (est.)

165.9c/L

Perth 151.1c/L · +14.8c/L local

Predicted in 7 days

177.0c/L

7-day range

159.6 – 187.5c/L

159.0173.5188.0WedThuFriSatSunMonTue
Predicted price90% confidence band

All fuel types

Fuel prices in Castletown by type

Low, average and high for each fuel type from the 6 stations tracked here.

FuelLowAvgHighStationsCheapest at
U91170.9c173.4c178.9c6Harbour Rd Truckstop
PDSL186.9c191.2c194.9c4Castletown Service Station
P98195.9c198.3c199.9c5Harbour Rd Truckstop

At a glance

Castletown fuel prices at a glance

Cheapest U91
170.9 c/L
Suburb average
173.4 c/L
Price range
8.0c spread
Stations tracked
6
Brands
4
Postcode
6450
Last updated
24 June 2026, 12:00 pm AEST

Explore the area

Browse fuel prices around Castletown

Step up to the city and state, compare neighbouring suburbs, or open the live U91 map.

Castletown snapshot

Live U91 prices in Castletown

Today's prices

In Castletown, Western Australia, the cheapest U91 today is 170.9c with an area average of 173.4c across 6 listed stations. Other fuels tracked in this suburb include PDSL from 186.9c and P98 from 195.9c.

Tomorrow's FuelWatch prices

FuelWatch WA has published tomorrow's prices for 6 station-grade listings around Castletown. Caltex Chadwick OPT is the cheapest tomorrow at 170.9c for U91 (0.0c vs today).

How it compares

Castletown is currently 2.8c above the Western Australia state average of 170.6c. Open the live fuel map to see how individual stations spread within Castletown.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Beaumont (from 170.9c), Boyatup (from 170.9c), Cape Le Grand (from 170.9c), Cascade (from 170.9c) or Chadwick (from 170.9c) before planning a fill-up.

Brands operating here

4 fuel brands operate stations in Castletown, including BP, Caltex, Ampol and Reddy. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.

Frequently asked

Castletown fuel questions

The cheapest Unleaded 91 in Castletown is currently at Harbour Rd Truckstop for 170.9 c/L.

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