Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 144.3p 2.6% (+3.7p) 7d avg: 142.4p Hold off if you can | Super Unleaded (E5) 162.2p 2.5% (+4p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 165.9p 3.9% (+6.3p) 7d avg: 162.7p Hold off if you can | Super Diesel (SDV) 186.5p 4% (+7.2p) 7d avg: 183.1p Hold off if you can |
Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 144.3p 2.6% (+3.7p) 7d avg: 142.4p Hold off if you can | Super Unleaded (E5) 162.2p 2.5% (+4p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 165.9p 3.9% (+6.3p) 7d avg: 162.7p Hold off if you can | Super Diesel (SDV) 186.5p 4% (+7.2p) 7d avg: 183.1p Hold off if you can |

Fuel Prices in Newcastle Emlyn

Live comparison for SA38 area. Tracking 3 stations across 53 brands. For a detailed breakdown including 7-day price trends, market competition analysis, and savings tips, and also find Today’s Cheapest Petrol and Diesel in Newcastle Emlyn .

Wales 3 Stations 3 Brands
Updated 19 Mar 2026
View Newcastle Emlyn on the Fuel Map

Compare all 3 stations visually on our interactive map to find the cheapest fuel near your route.

7-Day Price Movement
Petrol (E10)
138.1p 142.3p
4.2p (3.1%)
Diesel (B7)
157.9p 164.3p
6.4p (4.1%)
All Fuel Stations in Newcastle Emlyn (SA38)
Murco
MAESYCOED, BEULAH, CASTELL NEWYDD EMLYN, SA38 9QE, CASTELL NEWYDD EMLYN, Wales
E10
140.9
B7
167.9
27 minutes ago
TEXACO
PENSARNAU SERVICE STATION LTD, PENSARNAU, CASTELL NEWYDD EMLYN, SA38 9HS, CASTELL NEWYDD EMLYN, Wales
E10
167.9
E5
169.9
B7
167.9
27 minutes ago
Siop Y Ffrydiau
Siop Y Ffrydiau, Cenarth, Newcastle Emlyn
E10
142.9
B7
167.9
27 minutes ago
Frequently Asked Questions About Fuel in Newcastle Emlyn

As of 19 March 2026, the cheapest E10 petrol in Newcastle Emlyn is 140.9p at Murco, MAESYCOED, BEULAH, CASTELL NEWYDD EMLYN, SA38 9QE, CASTELL NEWYDD EMLYN, Wales.

There is currently a 27.0p difference between the cheapest and most expensive stations in Newcastle Emlyn. For a standard 55-litre family car, that equals a saving of £14.85 per tank.

We update prices daily using data provided directly by fuel stations via the Competition and Markets Authority (CMA) Open Data scheme. This is a UK Government initiative requiring all major retailers to report live prices, ensuring you see the most accurate data for the Carmarthenshire area.

Not today. Murco is actually cheaper than local supermarkets in SA38. It's always worth comparing before filling up.

We are currently tracking 3 active fuel stations in the SA38 area, operated by 3 different brands including Murco, TEXACO, Siop Y Ffrydiau and more.

The cheapest B7 diesel in Newcastle Emlyn is currently 167.9p at Murco. You can also use our interactive fuel map to compare diesel prices visually.

Prices sourced from the UK Government CMA Open Data Scheme, updated every 30 minutes. CheckFuelPrices is editorially independent — read our policy.