Fuel prices near Carmarthen, Carmarthenshire

Live prices at the 14 forecourts nearest Carmarthen, all within 10 miles, straight from the Government’s Fuel Finder data.

Cheapest near Carmarthen today, 13 October 2026: unleaded 169.9p at Tanerdy Garage (0.9 miles) and 2 other forecourts at the same price, diesel 195.9p at Gwalia Garage (3.8 miles) and 1 other forecourt at the same price.

As of , when this page was generated from the latest Fuel Finder prices.

How much is Unleaded (E10) near Carmarthen?

The cheapest Unleaded (E10) among the 14 forecourts nearest Carmarthen is 169.9p a litre at Tanerdy Garage, 0.9 miles away. Across the 14 nearby stations selling it, the average is 173.1p, 1.3p cheaper than the UK average. Last reported . The middle price near Carmarthen, 173.9p, is level with the median across Wales (173.9p). See every region.

StationDistanceE10
Tanerdy Garage — Carmarthen0.9 mi169.9p
Gwalia Garage — Carmarthen3.8 mi169.9p
Derwydd Services — Carmarthen4.9 mi169.9p
Windy Corner Garage — Pencader8.5 mi171.9p
Vst Towy Services Station — Caerfyrddin0.1 mi172.9p
MFG Morrisons Carmarthen — Carmarthen0.7 mi173.9p
Ascona Tenby Road Service Station — Carmarthen3.2 mi173.9p
oil 4 wales ltd Nantycaws — Caerfyrddin3.9 mi173.9p
Ascona Forge Filling Station — Carmarthen Road7.4 mi173.9p
Ascona Ivy Service Station — St Clears9.2 mi173.9p
Carmarthen Extra - Petrol Filling Station — Caerfyrddin0.6 mi174.9p
CKs Supermarket — Carmarthen1.0 mi174.9p
Asda White Mill Express Petrol — Carmarthen3.3 mi174.9p
MFG St Clears — Tenby Road, St Clears8.9 mi174.9p

How much is Super Unleaded (E5) near Carmarthen?

The cheapest Super Unleaded (E5) among the 14 forecourts nearest Carmarthen is 178.5p a litre at Gwalia Garage, 3.8 miles away. Across the 10 nearby stations selling it, the average is 190.1p, 2.1p cheaper than the UK average. Last reported .

StationDistanceE5
Gwalia Garage — Carmarthen3.8 mi178.5p
Tanerdy Garage — Carmarthen0.9 mi179.5p
Derwydd Services — Carmarthen4.9 mi182.9p
Carmarthen Extra - Petrol Filling Station — Caerfyrddin0.6 mi184.9p
Vst Towy Services Station — Caerfyrddin0.1 mi189.9p
MFG Morrisons Carmarthen — Carmarthen0.7 mi189.9p
MFG St Clears — Tenby Road, St Clears8.9 mi195.9p
Ascona Tenby Road Service Station — Carmarthen3.2 mi199.9p
Ascona Forge Filling Station — Carmarthen Road7.4 mi199.9p
Ascona Ivy Service Station — St Clears9.2 mi199.9p

How much is Diesel (B7) near Carmarthen?

The cheapest Diesel (B7) among the 14 forecourts nearest Carmarthen is 195.9p a litre at Gwalia Garage, 3.8 miles away. Across the 14 nearby stations selling it, the average is 198.8p, 0.7p cheaper than the UK average. Last reported . The middle price near Carmarthen, 199.9p, is level with the median across Wales (199.9p). See every region.

StationDistanceDiesel
Gwalia Garage — Carmarthen3.8 mi195.9p
Windy Corner Garage — Pencader8.5 mi195.9p
Tanerdy Garage — Carmarthen0.9 mi196.9p
Derwydd Services — Carmarthen4.9 mi197.9p
Vst Towy Services Station — Caerfyrddin0.1 mi198.9p
MFG Morrisons Carmarthen — Carmarthen0.7 mi198.9p
Carmarthen Extra - Petrol Filling Station — Caerfyrddin0.6 mi199.9p
CKs Supermarket — Carmarthen1.0 mi199.9p
Ascona Tenby Road Service Station — Carmarthen3.2 mi199.9p
Asda White Mill Express Petrol — Carmarthen3.3 mi199.9p
oil 4 wales ltd Nantycaws — Caerfyrddin3.9 mi199.9p
Ascona Forge Filling Station — Carmarthen Road7.4 mi199.9p
MFG St Clears — Tenby Road, St Clears8.9 mi199.9p
Ascona Ivy Service Station — St Clears9.2 mi199.9p

How much is Premium Diesel (B7) near Carmarthen?

The cheapest Premium Diesel (B7) among the 14 forecourts nearest Carmarthen is 205.5p a litre at Tanerdy Garage, 0.9 miles away. Across the 6 nearby stations selling it, the average is 215.3p, 3.4p cheaper than the UK average. Last reported .

StationDistanceSuper Diesel
Tanerdy Garage — Carmarthen0.9 mi205.5p
Gwalia Garage — Carmarthen3.8 mi206.5p
Ascona Tenby Road Service Station — Carmarthen3.2 mi219.9p
Ascona Forge Filling Station — Carmarthen Road7.4 mi219.9p
MFG St Clears — Tenby Road, St Clears8.9 mi219.9p
Ascona Ivy Service Station — St Clears9.2 mi219.9p

Where can I buy Biodiesel (B10) near Carmarthen?

None of the 14 forecourts nearest Carmarthen reports a Biodiesel (B10) price.Biodiesel (B10) is not stocked everywhere, so it may be sold further out — this page covers the closest stations, not every one within 10 miles.

How much is HVO Diesel near Carmarthen?

The cheapest HVO Diesel among the 14 forecourts nearest Carmarthen is 235.0p a litre at oil 4 wales ltd Nantycaws, 3.9 miles away. Across the 1 nearby stations selling it, the average is 235.0p, 3.5p dearer than the UK average. Last reported .

StationDistanceHVO
oil 4 wales ltd Nantycaws — Caerfyrddin3.9 mi235.0p

How have prices near Carmarthen moved?

Over the last 90 days, unleaded near Carmarthen averaged 1.5p a litre below the UK, on the 87 days with figures for both.
  • Unleaded (E10) near Carmarthen
  • Unleaded (E10), UK average
150p160p170p180p15 Jul12 Aug9 Sept7 OctE10173.1pUK174.5p
Show every day's figures
DateUnleaded (E10) near CarmarthenUnleaded (E10), UK average
15 July 2026150.5p—
16 July 2026151.1p153.1p
17 July 2026151.5p152.8p
18 July 2026151.6p153.1p
19 July 2026151.8p153.4p
20 July 2026152.2p153.8p
21 July 2026152.7p154.7p
22 July 2026153.4p155.3p
23 July 2026154.5p155.7p
24 July 2026155.4p156.7p
25 July 2026156.3p157.2p
26 July 2026156.9p157.6p
27 July 2026157.8p158.3p
28 July 2026158.0p158.6p
29 July 2026158.4p159.4p
30 July 2026159.1p159.7p
31 July 2026159.7p160.2p
1 August 2026160.2p160.4p
2 August 2026160.3p160.8p
3 August 2026160.5p161.1p
4 August 2026160.6p161.4p
5 August 2026160.7p161.6p
6 August 2026161.1p161.5p
7 August 2026160.5p161.7p
8 August 2026160.9p161.7p
9 August 2026160.9p161.7p
10 August 2026160.1p161.6p
11 August 2026159.3p161.5p
12 August 2026159.3p161.3p
13 August 2026159.2p161.3p
14 August 2026158.9p161.3p
15 August 2026157.8p161.2p
16 August 2026158.7p161.2p
17 August 2026158.7p161.2p
18 August 2026158.5p161.1p
19 August 2026159.2p161.3p
20 August 2026159.1p161.5p
21 August 2026159.1p161.6p
22 August 2026159.5p161.4p
23 August 2026159.5p161.4p
24 August 2026159.2p161.8p
25 August 2026159.9p161.6p
26 August 2026159.7p161.6p
27 August 2026160.1p161.7p
28 August 2026160.0p161.9p
29 August 2026159.9p161.8p
30 August 2026159.9p161.8p
31 August 2026159.9p161.8p
1 September 2026160.1p161.9p
2 September 2026160.6p162.1p
3 September 2026161.5p163.4p
4 September 2026162.8p163.7p
5 September 2026163.4p164.5p
6 September 2026164.0p165.1p
7 September 2026164.7p166.0p
8 September 2026165.5p166.7p
9 September 2026165.9p167.2p
10 September 2026166.6p168.1p
11 September 2026167.5p168.6p
12 September 2026167.7p169.3p
13 September 2026168.0p169.6p
14 September 2026168.1p170.1p
15 September 2026168.8p170.9p
16 September 2026169.9p171.5p
17 September 2026169.8p171.9p
18 September 2026170.4p172.2p
19 September 2026170.5p172.2p
20 September 2026170.8p172.3p
21 September 2026171.3p172.6p
22 September 2026171.4p172.9p
23 September 2026171.8p173.0p
24 September 2026172.1p173.4p
25 September 2026172.1p173.8p
26 September 2026172.6p173.9p
27 September 2026172.9p174.0p
28 September 2026172.9p174.1p
29 September 2026173.0p174.4p
30 September 2026173.1p174.7p
1 October 2026173.5p174.6p
2 October 2026173.6p174.7p
3 October 2026173.8p174.8p
4 October 2026173.8p174.8p
5 October 2026173.8p174.9p
6 October 2026173.8p174.9p
7 October 2026173.8p174.7p
8 October 2026173.1p174.7p
9 October 2026173.5p174.7p
10 October 2026173.1p174.6p
11 October 2026—174.6p
12 October 2026—174.5p
Over the last 90 days, diesel near Carmarthen averaged 1.6p a litre below the UK, on the 87 days with figures for both.
  • Diesel (B7) near Carmarthen
  • Diesel (B7), UK average
160p180p200p220p14 Jul11 Aug8 Sept6 OctDiesel198.8pUK199.6p
Show every day's figures
DateDiesel (B7) near CarmarthenDiesel (B7), UK average
14 July 2026162.4p—
15 July 2026161.9p—
16 July 2026161.6p166.8p
17 July 2026164.0p167.3p
18 July 2026163.8p167.9p
19 July 2026164.6p168.3p
20 July 2026165.2p168.9p
21 July 2026166.9p170.4p
22 July 2026167.9p171.5p
23 July 2026169.8p172.3p
24 July 2026171.1p173.8p
25 July 2026173.0p174.8p
26 July 2026174.2p175.4p
27 July 2026175.4p176.3p
28 July 2026175.6p176.9p
29 July 2026176.5p178.0p
30 July 2026177.4p178.5p
31 July 2026177.8p179.3p
1 August 2026178.5p179.7p
2 August 2026179.1p180.2p
3 August 2026179.9p180.7p
4 August 2026180.0p181.5p
5 August 2026180.9p181.7p
6 August 2026180.9p181.5p
7 August 2026180.5p181.8p
8 August 2026180.4p181.9p
9 August 2026180.4p181.9p
10 August 2026180.0p181.9p
11 August 2026179.5p181.9p
12 August 2026179.6p182.1p
13 August 2026179.6p181.9p
14 August 2026179.4p182.1p
15 August 2026179.8p181.9p
16 August 2026180.3p181.9p
17 August 2026180.1p181.9p
18 August 2026180.2p182.1p
19 August 2026180.3p182.2p
20 August 2026180.3p182.6p
21 August 2026181.4p182.8p
22 August 2026181.1p182.7p
23 August 2026181.1p182.7p
24 August 2026180.8p183.1p
25 August 2026181.5p183.2p
26 August 2026181.2p183.3p
27 August 2026181.7p183.4p
28 August 2026181.8p183.6p
29 August 2026181.8p183.6p
30 August 2026181.8p183.6p
31 August 2026181.8p183.5p
1 September 2026181.8p183.6p
2 September 2026181.2p183.6p
3 September 2026181.9p184.8p
4 September 2026183.1p185.3p
5 September 2026183.9p186.0p
6 September 2026184.5p186.7p
7 September 2026184.8p187.6p
8 September 2026185.6p188.1p
9 September 2026186.3p188.7p
10 September 2026186.8p189.7p
11 September 2026188.3p190.5p
12 September 2026189.4p191.1p
13 September 2026189.8p191.6p
14 September 2026190.1p192.2p
15 September 2026191.2p193.4p
16 September 2026192.6p194.3p
17 September 2026193.3p195.1p
18 September 2026194.3p195.6p
19 September 2026195.6p195.8p
20 September 2026195.7p196.1p
21 September 2026196.1p196.4p
22 September 2026196.7p197.0p
23 September 2026197.2p197.2p
24 September 2026197.1p197.8p
25 September 2026197.9p198.4p
26 September 2026198.6p198.8p
27 September 2026199.2p199.1p
28 September 2026199.3p199.2p
29 September 2026199.5p199.7p
30 September 2026199.6p199.8p
1 October 2026199.9p199.8p
2 October 2026199.8p199.9p
3 October 2026199.8p200.0p
4 October 2026199.6p200.0p
5 October 2026199.4p200.1p
6 October 2026199.5p199.9p
7 October 2026199.5p199.8p
8 October 2026199.1p199.7p
9 October 2026198.8p199.9p
10 October 2026198.8p199.7p
11 October 2026—199.7p
12 October 2026—199.6p

Towns near Carmarthen

More for Carmarthen

Frequently Asked Questions

Which supermarket has the cheapest petrol near Carmarthen?

Derwydd Services, with unleaded at 169.9p a litre, 4.9 miles away, is the cheapest of the 6 supermarket forecourts with a current price among those nearest Carmarthen. No forecourt of any kind nearby is cheaper.

Are any petrol stations near Carmarthen open 24 hours?

Yes. 7 list 24-hour opening every day among the 14 forecourts nearest Carmarthen, the nearest being Vst Towy Services Station, Carmarthen Extra - Petrol Filling Station and MFG Morrisons Carmarthen. Hours come from the retailer and can change on bank holidays.

How much do petrol prices vary near Carmarthen?

Unleaded runs from 169.9p at Tanerdy Garage to 174.9p at MFG St Clears across the 14 nearest forecourts with a current price for it: 5.0p a litre, or £2.50 on a 50-litre fill.

Prices sourced from the UK Government’s Fuel Finder scheme under the Open Government Licence. Data is presented without modification. Fuel Tracker UK is an independent app and is not affiliated with or endorsed by HM Government.Report a price discrepancy

Town names, counties and locations from GeoNames, used under CC BY 4.0.