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Fuel Prices in Llanelli Today

The cheapest unleaded petrol in Llanelli today is 136.9p per litre at TESCO. There are 31 petrol stations within 10 miles of Llanelli, Carmarthenshire. Prices updated hourly. Last checked 20 March 2026.

Cheapest Unleaded
136.9p
£1.37/L
Avg Unleaded
145.0p
£1.45/L
Cheapest Diesel
153.9p
£1.54/L
Avg Diesel
165.9p
£1.66/L

Cheapest Unleaded (E10) in Llanelli

#BrandAddressPostcodePrice (ppl)£/Litre
1TESCOPONTARDULAIS ROAD, CADLE, SWANSEASA5 4BA136.9p£1.37
2TESCOTESCO STORES LTD, TROSTRE RETAIL PARK, LLANELLISA14 9UY136.9p£1.37
3ASDAHEOL Y MYNYDD, GORSEINONSA4 4BZ137.7p£1.38
4ASDAMURRAY STREET, LLANELLISA15 1BX137.7p£1.38
5MORRISONSPEMBERTON RETAIL PARK, LLANELLISA14 9UZ137.9p£1.38
6TESCOTIDAL REACH, PONTARDDULAIS, ABERTAWESA4 8TA137.9p£1.38
7ESSAR96 PENYBANC RD, AMMANFORDSA18 3QS137.9p£1.38
8NTS KILLAY SERVICE STATIONTEXACO, 362-364, GOWER ROAD, KILLAY, SWANSEA, SA2 7AE, SWANSEASA2 7AE139.7p£1.40
9NTS LLANELLI SERVICE STATION1, CAPEL ISAF ROAD, LLANELLI, SA15 1QD, LLANELLISA15 1QD139.7p£1.40
10TEXACOMUMBLES ROAD, SWANSEASA3 5AS139.9p£1.40

Cheapest Diesel (B7) in Llanelli

#BrandAddressPostcodePrice (ppl)£/Litre
1ESSAR96 PENYBANC RD, AMMANFORDSA18 3QS153.9p£1.54
2TESCOPONTARDULAIS ROAD, CADLE, SWANSEASA5 4BA154.9p£1.55
3ASDAHEOL Y MYNYDD, GORSEINONSA4 4BZ156.7p£1.57
4TESCOTESCO STORES LTD, TROSTRE RETAIL PARK, LLANELLISA14 9UY157.9p£1.58
5MORRISONSPEMBERTON RETAIL PARK, LLANELLISA14 9UZ157.9p£1.58
6ASDAMURRAY STREET, LLANELLISA15 1BX158.7p£1.59
7TESCOTIDAL REACH, PONTARDDULAIS, ABERTAWESA4 8TA159.9p£1.60
8NTS KILLAY SERVICE STATIONTEXACO, 362-364, GOWER ROAD, KILLAY, SWANSEA, SA2 7AE, SWANSEASA2 7AE161.7p£1.62
9NTS LLANELLI SERVICE STATION1, CAPEL ISAF ROAD, LLANELLI, SA15 1QD, LLANELLISA15 1QD161.7p£1.62
10TEXACOMUMBLES ROAD, SWANSEASA3 5AS161.9p£1.62

Cheapest Super Unleaded (E5) in Llanelli

#BrandAddressPostcodePrice (ppl)£/Litre
1TESCOTESCO STORES LTD, TROSTRE RETAIL PARK, LLANELLISA14 9UY145.9p£1.46
2TESCOPONTARDULAIS ROAD, CADLE, SWANSEASA5 4BA146.9p£1.47
3TESCOTIDAL REACH, PONTARDDULAIS, ABERTAWESA4 8TA147.9p£1.48
4DAFEN SERVICE STATIONDAFEN SERVICE STATION LTD, DAFEN SERVICE STATION, INDUSTRIAL ESTATE, DAFEN, LLANELLI, SA14 8NS, LLANELLISA14 8NS149.9p£1.50
5PONTARDDULAIS SERVICE STATION12A, ST. TEILO STREET, PONTARDDULAIS, ABERTAWE, SA4 8TH, ABERTAWESA4 8TH149.9p£1.50
6NTS LLANELLI SERVICE STATION1, CAPEL ISAF ROAD, LLANELLI, SA15 1QD, LLANELLISA15 1QD154.9p£1.55
7MORRISONSPEMBERTON RETAIL PARK, LLANELLISA14 9UZ155.9p£1.56
8ESSO62 BRYN-Y-MOR RD, SWANSEASA4 3EZ156.9p£1.57
9TEXACOMUMBLES ROAD, SWANSEASA3 5AS159.9p£1.60
10SHELL76-78 GOWER ROAD, SKETTYSA2 9BZ159.9p£1.60

Fuel Brands in Llanelli

Llanelli is served by 19 fuel brands across 31 stations within a 10-mile radius. The most common brand is ESSO with 5 stations, followed by TEXACO (5) and TESCO (3).

ESSO5TEXACO5TESCO3ASDA2VALERO2ASDA EXPRESS1BP1BROADWAY SERVICE STATION1DAFEN SERVICE STATION1EG ON THE MOVE1ESSAR1HERONS WAY SERVICE STATION1MORRISONS1NISA LOCAL DREFACH1NORTHWAY GARAGE1NTS KILLAY SERVICE STATION1NTS LLANELLI SERVICE STATION1PONTARDDULAIS SERVICE STATION1SHELL1

About Llanelli

Llanelli is a town in Carmarthenshire with a population of around 50,000. Known for its rugby heritage and the Millennium Coastal Park, it sits on the M4 corridor in south-west Wales with good road connections to Swansea and Carmarthen.

About Fuel Prices in Llanelli

There are currently 31 petrol stations within 10 miles of Llanelli centre reporting live fuel prices. The most common brands are ESSO, TEXACO, TESCO, ASDA and 15 others.

The cheapest unleaded petrol in Llanelli today is 136.9p per litre at TESCO, PONTARDULAIS ROAD, CADLE, SWANSEA. Diesel prices start from 153.9p per litre at ESSAR, 96 PENYBANC RD, AMMANFORD.

By filling up at the cheapest station instead of the average-priced one, you could save approximately £4.46 on a typical 55-litre tank. Over a year of monthly fill-ups, that adds up to around £54 in savings.

Prices are sourced directly from official retailer data feeds including Tesco, Sainsbury's, Asda, Morrisons, BP, Esso, Shell, and Jet. Data is refreshed hourly to ensure you always see the latest prices.

Llanelli is located in Carmarthenshire, Wales. Fuel prices in the Carmarthenshire area can vary significantly between brands and locations, so comparing prices before filling up can save you money on every tank.

Frequently Asked Questions

What is the cheapest petrol in Llanelli today?

The cheapest unleaded petrol (E10) in Llanelli today is 136.9p per litre, available at TESCO on PONTARDULAIS ROAD, CADLE, SWANSEA, SA5 4BA. This price is updated hourly from official retailer feeds.

What is the cheapest diesel in Llanelli today?

The cheapest diesel (B7) in Llanelli today is 153.9p per litre, available at ESSAR on 96 PENYBANC RD, AMMANFORD, SA18 3QS. Diesel prices are updated hourly.

How many petrol stations are near Llanelli?

There are 31 petrol stations within 10 miles of Llanelli centre, operated by 19 different fuel brands including ASDA, ASDA EXPRESS, BP, BROADWAY SERVICE STATION, DAFEN SERVICE STATION and 14 more.

What is the average fuel price in Llanelli?

The average unleaded (E10) price in Llanelli is 145.0p per litre, and the average diesel (B7) price is 165.9p per litre. Prices vary between brands and locations. By choosing the cheapest station over the average, you could save approximately £4.46 on a typical 55-litre tank.

Which fuel brands operate in Llanelli?

Llanelli is served by 19 fuel brands: ASDA, ASDA EXPRESS, BP, BROADWAY SERVICE STATION, DAFEN SERVICE STATION, EG ON THE MOVE, ESSAR, ESSO, HERONS WAY SERVICE STATION, MORRISONS, NISA LOCAL DREFACH, NORTHWAY GARAGE, NTS KILLAY SERVICE STATION, NTS LLANELLI SERVICE STATION, PONTARDDULAIS SERVICE STATION, SHELL, TESCO, TEXACO, VALERO. The most common brand is ESSO with 5 stations.

How often are fuel prices updated?

Fuel prices on FuelNearby are updated hourly from official retailer data feeds. This includes data from major brands such as Tesco, Sainsbury's, Asda, Morrisons, BP, Esso, Shell, and Jet. Prices shown reflect the latest data published by each fuel retailer.

Is super unleaded available in Llanelli?

Yes, super unleaded (E5) is available at 20 stations near Llanelli. The cheapest super unleaded price today is 145.9p per litre at TESCO, TESCO STORES LTD, TROSTRE RETAIL PARK, LLANELLI.

Where does FuelNearby get its data?

All fuel prices on FuelNearby are sourced directly from official retailer APIs and data feeds published by UK fuel brands including Tesco, Sainsbury's, Asda, Morrisons, BP, Esso, Shell, Jet, Texaco, Gulf, and more. Data is refreshed every hour to ensure accuracy.

How can I find the cheapest fuel near Llanelli?

Use the FuelNearby interactive map to compare fuel prices at every station near Llanelli in real time. You can filter by fuel type, get directions to the cheapest station, and share prices with friends. Visit fuelnearby.co.uk to start comparing.

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