What is the average petrol price in Carmarthenshire?

The average unleaded (E10) petrol price in Carmarthenshire is currently 169.9p per litre (approx. £7.72/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 197.9p per litre (approx. £9.00/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 169.9p per litre (approx. £7.72/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 8:32am on 20 September 2026.

The cheapest reported unleaded petrol (E10) in Carmarthenshire is £7.72 a gallon (169.9p per litre) at Murco, Harford, Llanwrda, Carmarthenshire. That local average is 2.6p per litre below the UK average of 172.5p.

The average is unchanged since yesterday. The average is unchanged since last week.

Prices last refreshed at 8:32am on 20 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.

At 169.9p per litre, the cheapest unleaded in Carmarthenshire is the highest we have recorded here in 4 weeks. The Carmarthenshire average has held steady over the past week.

Unleaded Prices

Unleaded (E10)

Highest: £7.72/gal169.9p/L
Average: £7.72/gal169.9p/L
Lowest: £7.72/gal169.9p/L

Diesel Prices

Diesel (B7)

Highest: £9.00/gal197.9p/L
Average: £9.00/gal197.9p/L
Lowest: £9.00/gal197.9p/L

Premium Unleaded Prices

Premium Unleaded (E5)

Highest: £8.72/gal191.9p/L
Average: £8.72/gal191.9p/L
Lowest: £8.72/gal191.9p/L

Super Diesel Prices

Super Diesel (SDV)

Not enough current price data.

All forecourts in Carmarthenshire

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1 forecourt in Carmarthenshire, with live prices and full addresses. Showing 1 to 1.

Cheapest unleaded e10Checkpoint Service Station

Harford, Llanwrda, Carmarthenshire · SA19 8DT

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

Cheapest reported unleaded

Murco

Harford, Llanwrda, Carmarthenshire

169.9p/L

Cheapest reported diesel

Murco

Harford, Llanwrda, Carmarthenshire

197.9p/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 169.9p per litre (approx. £7.72/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 197.9p per litre (approx. £9.00/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 169.9p per litre (approx. £7.72/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.