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Cheapest Premium Diesel Fuel Prices around Castletown, WA Today
As of 21 May 2026, the cheapest Premium Diesel around Castletown, WA is 225.90 c/L at Caltex Chadwick OPT. Average across 4 stations within 5km of Castletown centre is 227.70 c/L – down 29.2 cents over the past two weeks.
Prices from Western Australia Government, updated daily via FuelWatch.
WA prices are locked daily via FuelWatch – the price shown is guaranteed until tomorrow.
Premium Diesel stations around Castletown
4 stations selling Premium Diesel, sorted by price.
Fuel prices by type
5 fuel types available around Castletown.
Frequently asked questions
Where is the cheapest Premium Diesel around Castletown?
The cheapest Premium Diesel around Castletown, WA is 225.90 cents per litre at Caltex Chadwick OPT, Lot 6 Beckwith Rd.
When is the best day to buy fuel in Castletown?
Based on the past 4 weeks, Wednesdays tend to have the cheapest Premium Diesel prices around Castletown, averaging 241.70 c/L. Thursdays tend to be the most expensive at 248.90 c/L – a difference of 7.2 cents.
How many petrol stations are around Castletown?
FuelTrack tracks prices at 4 stations selling Premium Diesel around Castletown, WA. The area has 5 fuel types available, including U91, U95, U98, Diesel.
What petrol brands are around Castletown?
There are 2 fuel brands around Castletown including Ampol, BP. Compare prices across all brands to find the cheapest fuel.
Nearby suburbs
Suburbs near Castletown with Premium Diesel prices, sorted by distance.
Prices from Western Australia Government. View all Western Australia suburbs. Compare fuel prices across Australia.