Compare petrol and diesel prices at stations in Llanelli, Wales. Updated every 15 minutes.
As of 27 July 2026, the average price of petrol (E10) in Llanelli is 158.8p per litre — 1.1p above the UK average of 157.7p. The cheapest petrol in Llanelli today is 149.9p at PONTARDDULAIS SUPERSTORE - PETROL FILLING STATION, and diesel (B7) averages 175.2p (cheapest 163.9p).
Fuel prices in Llanelli can differ by 10p a litre or more between forecourts just a few minutes apart, so a quick comparison can save you real money on every fill-up. This page shows up-to-date petrol, diesel and EV charging prices across Llanelli, Wales, with the cheapest stations highlighted. All prices update every 15 minutes from official UK sources. You can also compare fuel prices in nearby Swansea, Carmarthen, Neath.
Live E10 unleaded prices at the nearest forecourts · updated every 15 minutes
#1PONTARDDULAIS SUPERSTORE - PETROL FILLING STATION149.9p#2CHIVERS CORNER GARAGE149.9p#3KNELSTON SERVICE STATION151.9p#4CK Foodstores153.9p#5NTS LLANELLI SERVICE STATION153.9p#6SOUTHVIEW SERVICE STATION153.9p#7SANDY ROAD154.9p#8LLANELLI EXTRA - PETROL FILLING STATION155.9p#9MFG PANTEG155.9p#10VST BRYN GELLI SERVICES155.9p#11MFG MORRISONS LLANELLI155.9p#12ASDA GORSEINON SUPERSTORE156.7pLive B7 diesel prices at the nearest forecourts · updated every 15 minutes
#1PONTARDDULAIS SUPERSTORE - PETROL FILLING STATION163.9p#2KNELSTON SERVICE STATION164.9p#3CHIVERS CORNER GARAGE164.9p#4SOUTHVIEW SERVICE STATION167.9p#5CK Foodstores169.9p#6SANDY ROAD169.9p#7ASDA GORSEINON SUPERSTORE171.7p#8NTS LLANELLI SERVICE STATION171.9p#9MFG MORRISONS LLANELLI171.9p#10LLANELLI EXTRA - PETROL FILLING STATION171.9p#11VST BRYN GELLI SERVICES171.9p#12KIDWELLY SERVICE STATION172.9pFinding cheapest fuel in Llanelli...
As of 27 July 2026, petrol (E10) in Llanelli averages 158.8p per litre and diesel (B7) about 175.2p. Prices refresh every 15 minutes from the UK Government Fuel Finder scheme.
The cheapest petrol in Llanelli right now is 149.9p per litre at Pontarddulais Superstore - Petrol Filling Station. The live list above ranks every nearby forecourt by price.
Petrol in Llanelli averages 158.8p, about 1.1p above the UK average of 157.7p — comparing forecourts matters even more here.
Stations with live prices in and around Llanelli include Pontarddulais Superstore - Petrol Filling Station, Chivers Corner Garage, Knelston Service Station, CK Foodstores, Nts Llanelli Service Station and more — see the full ranked list above, or open the live map for every forecourt with today's prices.