Suburb fuel prices

Cheap Diesel in Castletown Western Australia 6450

8.0c below the Western Australia average — Castletown is 3.6c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 5 hr ago AEST · sourced from FuelWatch

WESTERN AUSTRALIA state averageAll fuelsU91DieselP95P98
Castletown · DieselBelow the state avg

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Diesel in Castletown is cheaper than the Western Australia average

Castletown sits 8.0c below the Western Australia average. Castletown is 3.6c/L under its 30-day average right now — near the bottom of the cycle.

WESTERN AUSTRALIA average

How it compares

  • Western Australia state avg195.9c/L-8c/L
  • National avg193.2c/L-5.3c/L
  • Wholesale (TGP)170.9c/L+17c/L

Top stations

Cheapest Diesel stations in Castletown

Sorted by current Diesel price. Tap a station for grades, directions and price age.

  1. Harbour Rd Truckstop

    Harbour Rd Truckstop

    Cheapest

    1.5 km away · 213 Harbour Rd

    185.9 c/L

    Tomorrow 186.9 c/L+1.0

    -2.0 vs avg

  2. Shell Reddy Express Esperance

    Shell Reddy Express Esperance

    3.3 km away · 25 Andrew St

    189.9 c/L

    Tomorrow 189.9 c/LNo change

    +2.0 vs avg

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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.

StationFuelTodayTomorrowMove

  1. Harbour Rd Truckstop

    213 Harbour Rd

    DSL

    185.9 c/L

    186.9 c/L

    +1.0 c/L

  2. Shell Reddy Express Esperance

    25 Andrew St

    DSL

    189.9 c/L

    189.9 c/L

    No change

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

30-day spread · Diesel

Castletown Diesel cycle

Castletown is currently 3.6c/L below its 30-day average — a relatively good time to fill up.

30-day low

185.9c/L

Lowest point in the local spread

30-day average

214.1c/L

30-day high

249.9c/L

Today's average

210.5c/L

185.0217.5250.026 May11 June24 June
Daily averageMin–max spread across Castletown stations

Cheapest Diesel right now

  1. 1Harbour Rd TruckstopBP · 1.5 km away185.9 c/L
  2. 2Shell Reddy Express EsperanceReddy · 3.3 km away189.9 c/L

Source: Reported Diesel pump prices across Castletown.

7-day outlook

Castletown 7-day Diesel outlook

Falling · -5.3c/L over 7 days

Castletown prices follow the Perth cycle, so this outlook takes the Perth Diesel 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.

Perth is in the falling phase of its current cycle.

Castletown today (est.)

188.9c/L

Perth 177.9c/L · +11.0c/L local

Predicted in 7 days

183.6c/L

7-day range

181.4 – 190.4c/L

180.0185.5191.0WedThuFriSatSunMonTue
Predicted price90% confidence band
See full 30-day forecastHow accurate is this?

Nearby suburbs

Suburbs near Castletown

How Castletown compares to neighbouring areas — cheapest first, delta vs the Castletown average.

  1. Ca
    CastletownYou

    187.9c

    0.0vs Castletown
  2. Be
    Beaumont

    187.9c

    0.0vs Castletown
  3. Bo
    Boyatup

    187.9c

    0.0vs Castletown
  4. Ca
    Cape Le Grand

    187.9c

    0.0vs Castletown
  5. Ca
    Cascade

    187.9c

    0.0vs Castletown
  6. Ch
    Chadwick

    187.9c

    0.0vs Castletown
  7. Co
    Condingup

    187.9c

    0.0vs Castletown
  8. Co
    Coomalbidgup

    187.9c

    0.0vs Castletown
  9. Da
    Dalyup

    187.9c

    0.0vs Castletown
  10. Ea
    East Munglinup

    187.9c

    0.0vs Castletown
  11. Ba
    Bandy Creek

    187.9c

    0.0vs Castletown

At a glance

Castletown fuel prices at a glance

Cheapest Diesel
185.9 c/L
Suburb average
187.9 c/L
Price range
4.0c spread
Stations tracked
2
Brands
2
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 Diesel map.

Castletown snapshot

Live Diesel prices in Castletown

Tomorrow's FuelWatch prices

FuelWatch WA has published tomorrow's prices for 2 station-grade listings around Castletown. Harbour Rd Truckstop is the cheapest tomorrow at 186.9c for DSL (+1.0c vs today).

How it compares

Castletown is currently 8.0c below the Western Australia state average of 195.9c. Open the live fuel map to see how individual stations spread within Castletown.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Beaumont (from 185.9c), Boyatup (from 185.9c), Cape Le Grand (from 185.9c), Cascade (from 185.9c) or Chadwick (from 185.9c) before planning a fill-up.

Brands operating here

2 fuel brands operate stations in Castletown, including BP 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 Diesel in Castletown is currently at Harbour Rd Truckstop for 185.9 c/L.

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