What is the average petrol price in Carmarthenshire?

The average unleaded (E10) petrol price in Carmarthenshire is currently 159.9p per litre (approx. £7.27/gal), based on live data from 1 forecourt reporting this grade. Prices are updated every 30 minutes from official UK government data.

What is the average diesel price in Carmarthenshire?

The average diesel (B7) price in Carmarthenshire is currently 179.9p per litre (approx. £8.18/gal). This is based on live data from forecourts in the area, updated every 30 minutes.

Which is the cheapest petrol station in Carmarthenshire?

MURCO at Harford, Llanwrda , Carmarthenshire currently has the cheapest reported unleaded petrol in Carmarthenshire at 159.9p per litre (approx. £7.27/gal). Prices change regularly, so check this page for the latest.

How do I find the cheapest fuel near Carmarthenshire?

Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.

Live prices

Cheapest petrol and diesel prices in Carmarthenshire

1 forecourt tracked in Carmarthenshire (1 reporting unleaded (E10), 1 reporting diesel (B7), 1 reporting premium (E5)). Prices last refreshed at 9:31pm on 30 July 2026.

The cheapest reported unleaded petrol (E10) in Carmarthenshire is 159.9p per litre at MURCO, Harford, Llanwrda , Carmarthenshire. That local average is 0.1p per litre above the UK average of 159.8p.

The average is unchanged since yesterday. The average has risen 3.0p per litre since last week.

Prices last refreshed at 9:31pm on 30 July 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.

Unleaded Prices

Unleaded (E10)

Highest: 159.9p/lapprox. £7.27/gal
Average: 159.9p/lapprox. £7.27/gal
Lowest: 159.9p/lapprox. £7.27/gal

Diesel Prices

Diesel (B7)

Highest: 179.9p/lapprox. £8.18/gal
Average: 179.9p/lapprox. £8.18/gal
Lowest: 179.9p/lapprox. £8.18/gal

Premium Unleaded Prices

Premium Unleaded (E5)

Highest: 175.9p/lapprox. £8.00/gal
Average: 175.9p/lapprox. £8.00/gal
Lowest: 175.9p/lapprox. £8.00/gal

Super Diesel Prices

Super Diesel (SDV)

Not enough current price data.

All forecourts in Carmarthenshire

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Cheapest unleaded e10

MURCO

Harford, Llanwrda , Carmarthenshire · SA19 8DT

Usually cheapest midnight to 5am, priciest 7pm to midnight here

Directions

159.9p/L

approx. £7.27/gal

Diesel B7

179.9p

approx. £8.18/gal

Premium E5

175.9p

approx. £8.00/gal

Search near Carmarthenshire

Ask the fuel analyst

Answers come straight from recorded official price data, refreshed every 30 minutes.

Cheapest reported unleaded

MURCO

Harford, Llanwrda , Carmarthenshire

159.9p/L

Cheapest reported diesel

MURCO

Harford, Llanwrda , Carmarthenshire

179.9p/L

By fuel grade in Carmarthenshire

Cheapest unleaded petrol (E10) in Carmarthenshire Cheapest diesel (B7) in Carmarthenshire Cheapest premium unleaded (E5) in Carmarthenshire Cheapest super diesel in Carmarthenshire

Nearby areas

Petrol prices in Llandysul Petrol prices in Carmarthen Petrol prices in Caerfyrddin Petrol prices in Aberystwyth

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Prices are sourced from official UK government fuel-price data (Open Government Licence v3.0). Updated every 30 minutes.

Questions about fuel prices in Carmarthenshire

What is the average petrol price in Carmarthenshire?: The average unleaded (E10) petrol price in Carmarthenshire is currently 159.9p per litre (approx. £7.27/gal), based on live data from 1 forecourt reporting this grade. Prices are updated every 30 minutes from official UK government data.
What is the average diesel price in Carmarthenshire?: The average diesel (B7) price in Carmarthenshire is currently 179.9p per litre (approx. £8.18/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
Which is the cheapest petrol station in Carmarthenshire?: MURCO at Harford, Llanwrda , Carmarthenshire currently has the cheapest reported unleaded petrol in Carmarthenshire at 159.9p per litre (approx. £7.27/gal). Prices change regularly, so check this page for the latest.
How do I find the cheapest fuel near Carmarthenshire?: Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.