Cheapest petrol and diesel prices in Castle Douglas

2 tracked forecourts in Castle Douglas, last updated 5 October 2026. Prices are pence per litre.

Unleaded petrol (E10)

173.9p

cheapest · 173.9p average across 1 station

Diesel (B7)

198.9p

cheapest · 199.4p average across 2 stations

Super unleaded (E5)

188.9p

cheapest · 188.9p average across 1 station

Premium diesel

214.9p

cheapest · 214.9p average across 1 station

Castle Douglas stations ranked by price

Fuel prices by station, sorted by Unleaded petrol (E10) (cheapest first)
ST JOHNS TOWN SERVICESSHELL · DG7 3SW173.9p199.9p188.9p214.9p
Carrs Billington fuels castle douglasCarrs Billington fuels castle douglas · DG7 1LH—198.9p——

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Castle Douglas price history

Daily average standard petrol and diesel prices across tracked local stations over the last 90 days.

Where these stations are

What drivers in Castle Douglas should know

We are still building a full price picture for Castle Douglas. As more forecourts report, this page will show the local spread between the cheapest and dearest pumps.

At 173.9p the average unleaded petrol (e10) price in Castle Douglas is below the UK-wide average of 174.7p that PumpScan is tracking, a difference of 0.8p per litre.

Brands represented locally include Carrs Billington fuels castle douglas, SHELL. Supermarket forecourts usually undercut motorway services by a wide margin, and prices in and around Castle Douglas tend to move within a day or two of a change in the wholesale oil price. Filling up mid-week and avoiding a near-empty tank on a motorway trip are the two simplest ways to keep costs down.

Compare Castle Douglas against the rest of the country on the cheapest petrol in the UK and cheapest diesel in the UK leaderboards.

All filling stations in Castle Douglas

Looking elsewhere? See all areas covered by PumpScan UK. Area slug: /petrol-prices/castle-douglas