Tesco

Carmarthen Extra - Petrol Filling Station fuel prices in Carmarthen Town Centre

Current petrol and diesel prices, opening times, directions and nearby alternatives for Carmarthen Extra - Petrol Filling Station, a Tesco forecourt in Carmarthen Town Centre.

Tesco Stores, Lon Morfa, Carmarthen, SA31 3AX · 0.3 miles from Carmarthen Town Centre town centre

Get directions Compare Carmarthen Town Centre prices

Opening times: Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours
Station type: Supermarket
Price source: Official UK Fuel Finder data

Prices checked 20 Oct 2026, 08:21

PetrolDiesel

Current station prices

Petrol

Diesel

Super unleaded

Premium diesel

Prices checked 20 Oct 2026, 08:21

Station verdict

Both petrol and diesel are pricey here.

E10 is 1.2p above the Carmarthen Town Centre average and ranks 4th of 5, while B7 is 1p above it and ranks 3rd of 5. It is worth checking nearby stations before filling up.

Compare nearby

Nearby comparison

Nearby fuel prices in Carmarthen Town Centre

This station and nearby alternatives, ordered by petrol price, lowest first. Prices checked 20 Oct 2026, 08:21. Select a heading to sort without changing the table layout.

Nearby fuel prices in Carmarthen Town Centre. This station and nearby alternatives, ordered by petrol price, lowest first.
Forecourt	Petrol	Diesel	Super unleaded	Premium diesel	Distance
MGwalia GarageGWALIA GARAGE, Carmarthen, SA32 7DRReported 14 Oct 2026, 06:00	169.9p/lSave 3p/l	194.9p/lSave 3p/l	178.5p/lSave 4.4p/l	206.5p/l	4.2 milesSave 4.4p/l best
Vst Towy Services StationTOWY SERVICE STATION, Carmarthen, SA31 2BNReported 19 Oct 2026, 08:42	169.9p/lSave 3p/l	197.9p/l	179.9p/lSave 3p/l	Unavailable	0.6 milesSave 3p/l best
MTanerdy GarageTANERDY GARAGE, Carmarthen, SA31 2EYReported 14 Oct 2026, 06:00	170.9p/lSave 2p/l	194.9p/lSave 3p/l	179.5p/lSave 3.4p/l	205.5p/l	1.4 milesSave 3.4p/l best
Mfg Morrisons CarmarthenPARC PENSARN, Carmarthen, SA31 2NFReported 18 Oct 2026, 00:00	170.9p/lSave 2p/l	194.9p/lSave 3p/l	189.9p/l	Unavailable	0.7 milesSave 3p/l best
MDerwydd ServicesDERWYDD GARAGE, Carmarthen, SA33 6TPReported 14 Oct 2026, 07:42	170.9p/lSave 2p/l	195.9p/lSave 2p/l	182.9p/l	Unavailable	4.8 milesSave 2p/l best
Carmarthen Extra - Petrol Filling StationTesco Stores, Lon Morfa, Carmarthen, SA31 3AXThis stationReported 14 Oct 2026, 15:14	172.9p/l	197.9p/l	182.9p/l	Unavailable	0 mi

Plan your stop

Station information

Opening times, address, listed amenities and map for Carmarthen Extra - Petrol Filling Station.

Directions View larger map All Carmarthen Town Centre prices

24 hours daily

Monday - Sunday: 24 hours
Bank holidays: 24 hours

Address

Tesco Stores, Lon Morfa, Carmarthen, SA31 3AX

0.3 miles from Carmarthen Town Centre town centre

Get directions

Amenities

Packaged AdBlue
Air Pump Or Screenwash
Twenty Four Hour Fuel
Water Filling

Station identity

Brand family: Tesco
Station type: Supermarket
Location: Carmarthen, Wales

Compare Tesco fuel prices

Price context

Detailed current price comparison

At Carmarthen Extra - Petrol Filling Station, the latest reported prices are compared with the Carmarthen Town Centre, regional and UK averages below.

All fuel prices in Carmarthen Town Centre Report a price issue

Detailed current price comparison. All prices are in pence per litre. Stale or unusual prices are excluded from rankings and averages.
Fuel	Carmarthen Town Centre rank	Current	30-day avg	Carmarthen Town Centre avg	Regional avg	UK avg	30-day trend
Petrol (E10)	4th of 5 in Carmarthen Town Centre	172.9p/l	173.5p/l	171.7p/l	173.6p/l	174.1p/l	Petrol (E10) 30-day trend: 2p/l up
Diesel (B7)	3rd of 5 in Carmarthen Town Centre	197.9p/l	198.4p/l	196.9p/l	198.8p/l	199.1p/l	Diesel (B7) 30-day trend: 4p/l up
Super unleaded (E5)	3rd of 4 in Carmarthen Town Centre	182.9p/l	183.5p/l	183.1p/l	190.3p/l	191.9p/l	Super unleaded (E5) 30-day trend: 2p/l up
Premium diesel (SDV)	Not stocked	Not stocked	Not stocked	Not stocked	Not stocked	Not stocked	Not stocked

All prices are in pence per litre. Stale or unusual prices are excluded from rankings and averages.

What the numbers mean

What the current comparison says

Across the 3 fuel types stocked at Carmarthen Extra - Petrol Filling Station, current comparable prices place Super unleaded (E5) below the Carmarthen Town Centre average and Petrol (E10) and Diesel (B7) above the Carmarthen Town Centre average.

Petrol is currently the 4th cheapest of 5 ranked forecourts in Carmarthen Town Centre, at 172.9p/l. It is 1.2p/l more expensive than the Carmarthen Town Centre average, 0.7p/l cheaper than the regional average and 1.2p/l cheaper than the UK average.
Diesel is currently the 3rd cheapest of 5 ranked forecourts in Carmarthen Town Centre, at 197.9p/l. It is 1p/l more expensive than the Carmarthen Town Centre average, 0.9p/l cheaper than the regional average and 1.2p/l cheaper than the UK average.
Super unleaded is currently the 3rd cheapest of 4 ranked forecourts in Carmarthen Town Centre, at 182.9p/l. It is 0.2p/l cheaper than the Carmarthen Town Centre average, 7.4p/l cheaper than the regional average and 9p/l cheaper than the UK average.

Price movement

30-day price history at this station

Separate station trends for each fuel, compared with Carmarthen Town Centre, Wales and UK daily averages.

E10

Petrol price history

179p174p169p

Sunday, 20 September 2026: station 170.9p/l; local 170.3p/l; regional 172p/l; UK 172.5p/l.
Monday, 21 September 2026: station 170.9p/l; local 170.3p/l; regional 172.3p/l; UK 172.8p/l.
Tuesday, 22 September 2026: station 171.9p/l; local 171.5p/l; regional 172.6p/l; UK 173p/l.
Wednesday, 23 September 2026: station 171.9p/l; local 171.7p/l; regional 172.8p/l; UK 173.3p/l.
Thursday, 24 September 2026: station 171.9p/l; local 171.7p/l; regional 173.1p/l; UK 173.6p/l.
Friday, 25 September 2026: station 172.9p/l; local 172.3p/l; regional 173.4p/l; UK 173.9p/l.
Saturday, 26 September 2026: station 172.9p/l; local 172.5p/l; regional 173.6p/l; UK 174p/l.
Sunday, 27 September 2026: station 172.9p/l; local 172.5p/l; regional 173.6p/l; UK 174.1p/l.
Monday, 28 September 2026: station 172.9p/l; local 172.5p/l; regional 173.9p/l; UK 174.4p/l.
Tuesday, 29 September 2026: station 172.9p/l; local 172.7p/l; regional 174p/l; UK 174.5p/l.
Wednesday, 30 September 2026: station 173.9p/l; local 173.3p/l; regional 174.1p/l; UK 174.6p/l.
Thursday, 1 October 2026: station 173.9p/l; local 173.5p/l; regional 174.1p/l; UK 174.6p/l.
Friday, 2 October 2026: station 174.9p/l; local 173.7p/l; regional 174.3p/l; UK 174.7p/l.
Saturday, 3 October 2026: station 174.9p/l; local 173.7p/l; regional 174.3p/l; UK 174.8p/l.
Sunday, 4 October 2026: station 174.9p/l; local 173.7p/l; regional 174.3p/l; UK 174.8p/l.
Monday, 5 October 2026: station 174.9p/l; local 173.7p/l; regional 174.3p/l; UK 174.8p/l.
Tuesday, 6 October 2026: station 174.9p/l; local 173.9p/l; regional 174.3p/l; UK 174.7p/l.
Wednesday, 7 October 2026: station 174.9p/l; local 173.9p/l; regional 174.2p/l; UK 174.7p/l.
Thursday, 8 October 2026: station 174.9p/l; local 173.5p/l; regional 174.1p/l; UK 174.6p/l.
Friday, 9 October 2026: station 174.9p/l; local 173.3p/l; regional 174.1p/l; UK 174.6p/l.
Saturday, 10 October 2026: station 174.9p/l; local 173.3p/l; regional 174.1p/l; UK 174.6p/l.
Sunday, 11 October 2026: station 174.9p/l; local 172.7p/l; regional 174.1p/l; UK 174.6p/l.
Monday, 12 October 2026: station 173.9p/l; local 172.5p/l; regional 174p/l; UK 174.5p/l.
Tuesday, 13 October 2026: station 173.9p/l; local 177.5p/l; regional 174p/l; UK 174.4p/l.
Wednesday, 14 October 2026: station 172.9p/l; local 172.3p/l; regional 173.9p/l; UK 174.3p/l.
Thursday, 15 October 2026: station 172.9p/l; local 172.3p/l; regional 173.8p/l; UK 174.2p/l.
Friday, 16 October 2026: station 172.9p/l; local 172.3p/l; regional 173.7p/l; UK 174.2p/l.
Saturday, 17 October 2026: station 172.9p/l; local 172.3p/l; regional 173.7p/l; UK 174.1p/l.
Sunday, 18 October 2026: station 172.9p/l; local 172.1p/l; regional 173.7p/l; UK 174.1p/l.
Monday, 19 October 2026: station 172.9p/l; local 171.7p/l; regional 173.6p/l; UK 174.1p/l.

Current station price

172.9p/l

Petrol at this station rose 2p/l, from 170.9p/l on 20 September to 172.9p/l on 19 October. The rise was not continuous: prices briefly fell 2p/l from 11 October to 14 October before moving higher again. The current 172.9p/l price is 1.2p/l above the Carmarthen Town Centre average, 0.7p/l below the Wales average and 1.2p/l below the UK average. Its 30-day station average was 173.5p/l.

30-day station avg: 173.5p/l
Carmarthen Town Centre avg: 171.7p/l
Wales avg: 173.6p/l
UK avg: 174.1p/l

20 Sept to 19 Oct

Diesel price history

201p197p192p

Sunday, 20 September 2026: station 193.9p/l; local 193.9p/l; regional 196.1p/l; UK 196.3p/l.
Monday, 21 September 2026: station 193.9p/l; local 193.9p/l; regional 196.7p/l; UK 196.9p/l.
Tuesday, 22 September 2026: station 194.9p/l; local 195.7p/l; regional 197.4p/l; UK 197.3p/l.
Wednesday, 23 September 2026: station 194.9p/l; local 195.9p/l; regional 197.9p/l; UK 197.7p/l.
Thursday, 24 September 2026: station 196.9p/l; local 196.3p/l; regional 198.4p/l; UK 198.3p/l.
Friday, 25 September 2026: station 197.9p/l; local 197.5p/l; regional 198.9p/l; UK 198.8p/l.
Saturday, 26 September 2026: station 197.9p/l; local 198.3p/l; regional 199.1p/l; UK 199.1p/l.
Sunday, 27 September 2026: station 197.9p/l; local 198.5p/l; regional 199.2p/l; UK 199.2p/l.
Monday, 28 September 2026: station 199.9p/l; local 198.9p/l; regional 199.6p/l; UK 199.6p/l.
Tuesday, 29 September 2026: station 199.9p/l; local 199.3p/l; regional 199.7p/l; UK 199.8p/l.
Wednesday, 30 September 2026: station 199.9p/l; local 199.7p/l; regional 199.8p/l; UK 199.8p/l.
Thursday, 1 October 2026: station 199.9p/l; local 199.7p/l; regional 199.8p/l; UK 199.8p/l.
Friday, 2 October 2026: station 199.9p/l; local 199.7p/l; regional 199.8p/l; UK 199.9p/l.
Saturday, 3 October 2026: station 199.9p/l; local 199.7p/l; regional 199.9p/l; UK 200p/l.
Sunday, 4 October 2026: station 199.9p/l; local 199.5p/l; regional 199.9p/l; UK 200p/l.
Monday, 5 October 2026: station 199.9p/l; local 199.5p/l; regional 199.9p/l; UK 200p/l.
Tuesday, 6 October 2026: station 199.9p/l; local 199.5p/l; regional 199.7p/l; UK 199.9p/l.
Wednesday, 7 October 2026: station 199.9p/l; local 199.5p/l; regional 199.6p/l; UK 199.8p/l.
Thursday, 8 October 2026: station 199.9p/l; local 199.3p/l; regional 199.5p/l; UK 199.7p/l.
Friday, 9 October 2026: station 199.9p/l; local 198.9p/l; regional 199.4p/l; UK 199.7p/l.
Saturday, 10 October 2026: station 199.9p/l; local 198.9p/l; regional 199.4p/l; UK 199.7p/l.
Sunday, 11 October 2026: station 199.9p/l; local 198.3p/l; regional 199.4p/l; UK 199.7p/l.
Monday, 12 October 2026: station 198.9p/l; local 198.1p/l; regional 199.4p/l; UK 199.6p/l.
Tuesday, 13 October 2026: station 198.9p/l; local 197.9p/l; regional 199.3p/l; UK 199.4p/l.
Wednesday, 14 October 2026: station 197.9p/l; local 197.1p/l; regional 199.1p/l; UK 199.3p/l.
Thursday, 15 October 2026: station 197.9p/l; local 197.1p/l; regional 199p/l; UK 199.2p/l.
Friday, 16 October 2026: station 197.9p/l; local 197.1p/l; regional 198.9p/l; UK 199.1p/l.
Saturday, 17 October 2026: station 197.9p/l; local 197.1p/l; regional 198.8p/l; UK 199.1p/l.
Sunday, 18 October 2026: station 197.9p/l; local 196.7p/l; regional 198.8p/l; UK 199.1p/l.
Monday, 19 October 2026: station 197.9p/l; local 196.9p/l; regional 198.8p/l; UK 199.1p/l.

Current station price

197.9p/l

Diesel at this station rose 4p/l, from 193.9p/l on 20 September to 197.9p/l on 19 October. The rise was not continuous: prices briefly fell 2p/l from 11 October to 14 October before moving higher again. The current 197.9p/l price is 1p/l above the Carmarthen Town Centre average, 0.9p/l below the Wales average and 1.2p/l below the UK average. Its 30-day station average was 198.4p/l.

30-day station avg: 198.4p/l
Carmarthen Town Centre avg: 196.9p/l
Wales avg: 198.8p/l
UK avg: 199.1p/l

20 Sept to 19 Oct

Super unleaded price history

194p187p179p

Sunday, 20 September 2026: station 180.9p/l; local 183.8p/l; regional 188p/l; UK 189.5p/l.
Monday, 21 September 2026: station 180.9p/l; local 183.8p/l; regional 188.3p/l; UK 189.7p/l.
Tuesday, 22 September 2026: station 181.9p/l; local 184.1p/l; regional 188.5p/l; UK 189.9p/l.
Wednesday, 23 September 2026: station 181.9p/l; local 184.1p/l; regional 188.9p/l; UK 190.1p/l.
Thursday, 24 September 2026: station 181.9p/l; local 184.1p/l; regional 189p/l; UK 190.3p/l.
Friday, 25 September 2026: station 182.9p/l; local 184.3p/l; regional 189.2p/l; UK 190.5p/l.
Saturday, 26 September 2026: station 182.9p/l; local 184.6p/l; regional 189.4p/l; UK 190.6p/l.
Sunday, 27 September 2026: station 182.9p/l; local 184.6p/l; regional 189.4p/l; UK 190.7p/l.
Monday, 28 September 2026: station 182.9p/l; local 184.6p/l; regional 190.1p/l; UK 191.6p/l.
Tuesday, 29 September 2026: station 182.9p/l; local 185.6p/l; regional 190.5p/l; UK 192p/l.
Wednesday, 30 September 2026: station 183.9p/l; local 185.8p/l; regional 190.6p/l; UK 192.1p/l.
Thursday, 1 October 2026: station 183.9p/l; local 185.8p/l; regional 190.7p/l; UK 192.2p/l.
Friday, 2 October 2026: station 184.9p/l; local 186.1p/l; regional 190.8p/l; UK 192.2p/l.
Saturday, 3 October 2026: station 184.9p/l; local 186.1p/l; regional 190.8p/l; UK 192.3p/l.
Sunday, 4 October 2026: station 184.9p/l; local 186.1p/l; regional 190.8p/l; UK 192.3p/l.
Monday, 5 October 2026: station 184.9p/l; local 186.1p/l; regional 190.7p/l; UK 192.3p/l.
Tuesday, 6 October 2026: station 184.9p/l; local 186.1p/l; regional 190.7p/l; UK 192.2p/l.
Wednesday, 7 October 2026: station 184.9p/l; local 186.1p/l; regional 190.7p/l; UK 192.2p/l.
Thursday, 8 October 2026: station 184.9p/l; local 186.1p/l; regional 190.7p/l; UK 192.1p/l.
Friday, 9 October 2026: station 184.9p/l; local 186.1p/l; regional 190.7p/l; UK 192.1p/l.
Saturday, 10 October 2026: station 184.9p/l; local 186.1p/l; regional 190.7p/l; UK 192.1p/l.
Sunday, 11 October 2026: station 184.9p/l; local 186.1p/l; regional 190.7p/l; UK 192.1p/l.
Monday, 12 October 2026: station 183.9p/l; local 185.8p/l; regional 190.7p/l; UK 192.2p/l.
Tuesday, 13 October 2026: station 183.9p/l; local 185.8p/l; regional 190.6p/l; UK 192.1p/l.
Wednesday, 14 October 2026: station 182.9p/l; local 185.6p/l; regional 190.6p/l; UK 192p/l.
Thursday, 15 October 2026: station 182.9p/l; local 185.6p/l; regional 190.5p/l; UK 192p/l.
Friday, 16 October 2026: station 182.9p/l; local 185.6p/l; regional 190.5p/l; UK 192p/l.
Saturday, 17 October 2026: station 182.9p/l; local 185.6p/l; regional 190.5p/l; UK 192p/l.
Sunday, 18 October 2026: station 182.9p/l; local 185.6p/l; regional 190.4p/l; UK 192p/l.
Monday, 19 October 2026: station 182.9p/l; local 183.1p/l; regional 190.3p/l; UK 191.9p/l.

Current station price

182.9p/l

Super unleaded at this station rose 2p/l, from 180.9p/l on 20 September to 182.9p/l on 19 October. The rise was not continuous: prices briefly fell 2p/l from 11 October to 14 October before moving higher again. The current 182.9p/l price is 0.2p/l below the Carmarthen Town Centre average, 7.4p/l below the Wales average and 9p/l below the UK average. Its 30-day station average was 183.5p/l.

30-day station avg: 183.5p/l
Carmarthen Town Centre avg: 183.1p/l
Wales avg: 190.3p/l
UK avg: 191.9p/l

20 Sept to 19 Oct

Premium diesel · SDV

Premium diesel is not stocked here

This forecourt does not stock premium diesel (SDV).

Local price leadership

Days this station was cheapest in the last 30 days

Completed-day prices are compared when at least two Carmarthen Town Centre forecourts reported the same fuel. Ties and unchanged carried-forward prices count.

Daily record of whether each stocked fuel was cheapest locally during the last 30 days.
Fuel	Sept20	21	22	23	24	25	26	27	28	29	30	Oct1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	Cheapest
Petrol (E10)																															0 of 30 days
Diesel (B7)																															0 of 30 days
Super unleaded (E5)																															0 of 30 days
Premium diesel (SDV)																															Does not stock

Cheapest-day read

How often this station was cheapest locally

This station did not match the lowest eligible local price during the available 30-day period. Check the nearby comparison before filling up.

How to use this page

About Carmarthen Extra - Petrol Filling Station

Use this page to compare prices at Carmarthen Extra - Petrol Filling Station with current Carmarthen Town Centre averages, regional averages and UK averages. You can also review recent price history and check for cheaper stations nearby.

Local rankings and averages use current, rankable prices. Stale or unusual prices remain visible for transparency but are excluded from comparison calculations.

Keep comparing

Compare fuel prices in Carmarthen Town Centre

Explore current local averages, the cheapest reported prices and participating forecourts across Carmarthen Town Centre.

Good to know

FAQs for Carmarthen Extra - Petrol Filling Station

Current station details, price-data caveats and useful routes for comparing your next fill-up.

What are the current fuel prices at Carmarthen Extra - Petrol Filling Station?

Carmarthen Extra - Petrol Filling Station currently reports Petrol (E10) at 172.9p/l, Diesel (B7) at 197.9p/l and Super unleaded (E5) at 182.9p/l. The latest price observation on this page was 14 Oct 2026, 15:14.

Is Carmarthen Extra - Petrol Filling Station cheap for petrol and diesel in Carmarthen Town Centre?

No. Current petrol and diesel prices are both above the Carmarthen Town Centre averages. Petrol ranks 4th of 5 current prices in Carmarthen Town Centre, and the price is 1.2p/l above the Carmarthen Town Centre average. Diesel ranks 3rd of 5 current prices in Carmarthen Town Centre, and the price is 1p/l above the Carmarthen Town Centre average. Compare all current forecourt prices in Carmarthen Town Centre.

What are the opening times for Carmarthen Extra - Petrol Filling Station?

Carmarthen Extra - Petrol Filling Station reports opening hours of 24 hours daily. Bank holiday and temporary opening hours may differ.

Where is Carmarthen Extra - Petrol Filling Station?

Carmarthen Extra - Petrol Filling Station is at Tesco Stores, Lon Morfa, Carmarthen, SA31 3AX. It is listed as a supermarket in Carmarthen Town Centre. Get directions to Carmarthen Extra - Petrol Filling Station.

Which fuel types are available at Carmarthen Extra - Petrol Filling Station?

Carmarthen Extra - Petrol Filling Station is listed as offering Petrol (E10), Diesel (B7) and Super unleaded (E5).

How up to date are fuel prices at Carmarthen Extra - Petrol Filling Station?

The latest price observation shown for Carmarthen Extra - Petrol Filling Station was 14 Oct 2026, 15:14. Prices come from the official GOV.UK Fuel Finder feed, where participating retailers report price changes. Read our data accuracy rules.

What facilities are available at Carmarthen Extra - Petrol Filling Station?

Listed facilities at Carmarthen Extra - Petrol Filling Station include Packaged AdBlue, Air Pump Or Screenwash, Twenty Four Hour Fuel and Water Filling. Facility availability and access hours may differ from the forecourt's opening times.

Does Carmarthen Extra - Petrol Filling Station have toilets?

Toilets are not listed in the available facilities data for Carmarthen Extra - Petrol Filling Station, so we cannot confirm whether they are available. Check with the station before relying on a toilet stop.

Fuel price data

Prices are sourced from the UK Government Fuel Finder scheme. Prices checked 20 Oct 2026, 08:21.

3 current prices · 3 fuel grades stocked · Supermarket

How we source fuel prices