Tesco · Supermarket forecourt
Tesco Carmarthen Extra petrol station
Tesco Stores, Lon Morfa, Carmarthen SA31 3AX
Prices at this forecourt
Live- Unleaded
- Diesel
- Super
Prices and how they compare
Against the 5 forecourts in Carmarthen and the UK average.
| Fuel | Price | Reported | In Carmarthen | UK | Last 30 days |
|---|---|---|---|---|---|
| Unleaded (E10) | 167.9p | 4 Nov 2026, 14:06 | 1.6p above average4th cheapest of 5 | 1.5p below UK | 7 changeslast −1.0p on 4 Nov 2026, 14:02 |
| Diesel (B7) | 195.9p | 29 Oct 2026, 13:42 | 0.6p above average3rd cheapest of 5 | 1.8p below UK | 4 changeslast −1.0p on 29 Oct 2026, 13:38 |
| Super unleaded (E5) | 177.9p | 4 Nov 2026, 14:03 | 6.7p below averageCheapest of 3 | 9.4p below UK | 7 changeslast −1.0p on 4 Nov 2026, 14:01 |
Price history over 90 days
Each step is a price change the forecourt reported. Flat stretches are a price holding steady.
Unleaded (E10)
Diesel (B7)
Super unleaded (E5)
Cheaper fuel nearby
Forecourts within 5 miles with a lower price right now, and what the difference comes to on a 55-litre tank.
Cheaper unleaded than 167.9p
- MFG Morrisons Carmarthen0.7 miles · reported 7 Nov 2026, 23:48163.9p4.0p less · £2.20
- Tanerdy Garage1.4 miles · reported 5 Nov 2026, 09:48163.9p4.0p less · £2.20
- Gwalia Garage4.2 miles · reported 5 Nov 2026, 09:47163.9p4.0p less · £2.20
- oil 4 wales ltd Nantycaws4.4 miles · reported 8 Nov 2026, 16:10165.9p2.0p less · £1.10
Cheaper diesel than 195.9p
- Gwalia Garage4.2 miles · reported 7 Nov 2026, 10:16191.9p4.0p less · £2.20
- Tanerdy Garage1.4 miles · reported 7 Nov 2026, 10:17192.9p3.0p less · £1.65
- MFG Morrisons Carmarthen0.7 miles · reported 18 Oct 2026, 00:00194.9p1.0p less · £0.55
Opening hours and facilities
Opening hours
| monday | 24 hours |
|---|---|
| tuesday | 24 hours |
| wednesday | 24 hours |
| thursday | 24 hours |
| friday | 24 hours |
| saturday | 24 hours |
| sunday | 24 hours |
| Bank holidays | 24 hours |
Facilities
- AdBlue (Packaged)
- Air / Screenwash
- 24hr Fuel
- Water
- Brand
- Tesco
- Phone
- +448003234040
- Postcode
- SA31 3AX
- Council area
- Carmarthenshire
Nearest forecourts
The closest 8 forecourts within 5 miles, nearest first; sort by any fuel's price.
- Gwalia Garage
Murco · 4.2 miles · SA32 7DR
- Unleaded
- 163.9p5 Nov 2026, 09:47
- Diesel
- 191.9p7 Nov 2026, 10:16
- Super
- —
- MFG Morrisons Carmarthen
Morrisons · 0.7 miles · SA31 2NF
- Unleaded
- 163.9p7 Nov 2026, 23:48
- Diesel
- 194.9p18 Oct 2026, 00:00
- Super
- 185.9p5 Nov 2026, 23:52
24 hoursAdBlue pumps
- Tanerdy Garage
Murco · 1.4 miles · SA31 2EY
- Unleaded
- 163.9p5 Nov 2026, 09:48
- Diesel
- 192.9p7 Nov 2026, 10:17
- Super
- —
- oil 4 wales ltd Nantycaws
Oil 4 Wales · 4.4 miles · SA32 8BG
- Unleaded
- 165.9p8 Nov 2026, 16:10
- Diesel
- 195.9p8 Nov 2026, 16:10
- Super
- —
AdBlue pumps
- Ascona Tenby Road Service Station
Valero · 2.7 miles · SA33 5DT
- Unleaded
- 166.9p7 Nov 2026, 07:11
- Diesel
- 196.9p20 Oct 2026, 17:05
- Super
- —
24 hoursAdBlue pumps
- Asda White Mill Express Petrol
Esso · 3.8 miles · SA32 7EN
- Unleaded
- 166.9p7 Nov 2026, 14:04
- Diesel
- 195.9p6 Nov 2026, 16:21
- Super
- —
- Vst Towy Services Station
Texaco · 0.6 miles · SA31 2BN
- Unleaded
- 166.9p6 Nov 2026, 03:48
- Diesel
- 195.9p2 Nov 2026, 12:49
- Super
- 189.9p2 Nov 2026, 12:49
24 hours
- CKs Supermarket
Murco · 0.5 miles · SA31 3HL
- Unleaded
- 168.9p4 Nov 2026, 12:29
- Diesel
- 196.9p4 Nov 2026, 12:29
- Super
- —
| Forecourt | |||
|---|---|---|---|
Gwalia Garage Murco · 4.2 miles · SA32 7DR | 163.9p (cheapest)5 Nov 2026, 09:47 | 191.9p (cheapest)7 Nov 2026, 10:16 | — |
| 163.9p (cheapest)7 Nov 2026, 23:48 | 194.9p18 Oct 2026, 00:00 | 185.9p (cheapest)5 Nov 2026, 23:52 | |
Tanerdy Garage Murco · 1.4 miles · SA31 2EY | 163.9p (cheapest)5 Nov 2026, 09:48 | 192.9p7 Nov 2026, 10:17 | — |
| 165.9p8 Nov 2026, 16:10 | 195.9p8 Nov 2026, 16:10 | — | |
| 166.9p7 Nov 2026, 07:11 | 196.9p20 Oct 2026, 17:05 | — | |
Asda White Mill Express Petrol Esso · 3.8 miles · SA32 7EN | 166.9p7 Nov 2026, 14:04 | 195.9p6 Nov 2026, 16:21 | — |
| 166.9p6 Nov 2026, 03:48 | 195.9p2 Nov 2026, 12:49 | 189.9p2 Nov 2026, 12:49 | |
CKs Supermarket Murco · 0.5 miles · SA31 3HL | 168.9p4 Nov 2026, 12:29 | 196.9p4 Nov 2026, 12:29 | — |
Questions about Tesco Carmarthen Extra
How much is fuel at Tesco Carmarthen Extra?
- Unleaded (E10) is 167.9p a litre, reported 4 Nov 2026, 14:06; diesel is 195.9p, reported 29 Oct 2026, 13:42. Prices are as the forecourt last reported them to the Fuel Finder scheme and can change before you arrive.
Is Tesco Carmarthen Extra open 24 hours?
- Yes — it lists 24-hour fuel in the government data.
Which fuels does Tesco Carmarthen Extra sell?
- It currently reports prices for Unleaded (E10), Diesel (B7) and Super unleaded (E5).
Is there cheaper petrol near Tesco Carmarthen Extra?
- Yes — MFG Morrisons Carmarthen, 0.7 miles away, charges 163.9p for unleaded (4.0p less, about £2.20 on a 55-litre tank).
Get told when fuel in Carmarthen gets cheaper
Price-drop alerts, your saved stations and CarPlay are coming in the FuelWise iPhone app, which is in final testing. Prices here stay free on the web.
Prices are reported by the forecourts themselves to the UK Government's Fuel Finder scheme, which requires every change to be published within 30 minutes. FuelWise reads the feed every 15 minutes and last updated these figures on 8 Nov 2026, 17:14. Each price shows when it was reported; prices older than 30 days and stations that have stopped reporting are left out.
How we calculate averages · Contains public sector information licensed under the Open Government Licence v3.0.
More: all fuel prices in Carmarthen · UK fuel prices by area · Tesco prices across the UK