Diesel prices in Merthyr Tydfil

Compare current diesel (B7) across 4 Merthyr Tydfil forecourts. Check the lowest listed price, local average and map before choosing where to fill up.

Lowest listed diesel forecourt in Merthyr Tydfil

198.9p/l

Lowest listed diesel price in Merthyr Tydfil

EOEg Merthyr Tydfil Pfs1.5 mi from Merthyr Tydfil centre

Directions Station details

Diesel local average: 200.9p/l
Local forecourts: 4
UK comparison: Above

Prices checked 20 Oct 2026, 08:10

Live local prices

Current diesel prices in Merthyr Tydfil

4 current diesel (B7) prices from 4 Merthyr Tydfil forecourts listed as stocking diesel.

Prices checked 20 Oct 2026, 08:10. Individual rows show when that forecourt price was reported.

Current diesel prices in Merthyr Tydfil. Ranked by Diesel (B7) price.
Forecourt	Postcode and report	Diesel(B7), selected ranking	Distancefrom Merthyr Tydfil centre	Opening times	Actions
1EOEg Merthyr Tydfil PfsEG On The Move	CF47 8EBReported 19 Oct 2026, 17:33	198.9pCheapest	Distance: 1.5 mi	Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours	Details
2Rontec DowlaisEsso	CF48 3DAReported 13 Oct 2026, 13:03	199.9p	Distance: 0.4 mi	Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours	Details
3Asda Merthyr Tydfil SuperstoreAsda	CF48 2YFReported 18 Oct 2026, 13:44	199.9p	Distance: 0.9 mi	Hours vary by dayMonday: 07:00 - 22:00; Tuesday: 07:00 - 22:00; Wednesday: 07:00 - 22:00; Thursday: 07:00 - 22:00; Friday: 07:00 - 22:00; Saturday: 07:00 - 22:00; Sunday: 10:00 - 16:00; Bank holidays: 09:00 - 18:00	Details
4Valley Heights Service StationTexaco	CF48 2YEReported 25 Sept 2026, 14:35	204.9p	Distance: 0.9 mi	Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours	Details

How to read this page

About diesel prices in Merthyr Tydfil

Coverage, freshness and comparison scope matter as much as the headline price.

Merthyr Tydfil has 4 forecourts listed as stocking diesel (B7), with current prices available from 4. The table ranks forecourts by current diesel (B7) price, with distance and station name used to order equal or unavailable prices. Station status, distance and update freshness remain visible for comparison.

This page focuses on Diesel (B7) using official UK Fuel Finder data, local averages, regional benchmarks and UK average comparisons where coverage is available.

Thirty-day evidence

Thirty-day diesel (B7) price trend

Thirty-day diesel (B7) trends, local comparisons and potential savings from official UK Fuel Finder data.

204p200p195p

Average price

200.9p/l

20 Sept to 19 Oct

30-day low: 197.9p/l
30-day high: 204.9p/l
Movement (30 days): 0p/l
Volatility: Low

Jerry's diesel trend read

Diesel in Merthyr Tydfil ended the period broadly where it started, moving from 200.9p/l on 20 September to 200.9p/l on 19 October. Over the latest 7 days, the average fell 1.8p/l, which sets the current short-term direction. Merthyr Tydfil's current average is 1.8p/l above the UK average. Daily movement volatility is low.

Consistency, not just today's lowest

A consistently competitive diesel forecourt

This recommendation requires at least 21 completed reporting days and a current price no higher than the local average.

Asda Merthyr Tydfil Superstore

199.9p/l today

1p/l below Merthyr Tydfil average today

Near cheapest: Within 1p on 30 of 30 days
Daily cheapest: Cheapest on 29 of 30 days
Average gap: 0p/l average gap
Evidence: 30 of 30 days reported

Directions Station details

Asda Merthyr Tydfil Superstore stayed within 1p/l of the daily cheapest diesel price on 30 of 30 reported days, averaging 0p/l above the daily cheapest price.

Price choice

Potential diesel savings

Cheapest versus average is the practical comparison. Cheapest versus highest is the maximum listed difference, not a guaranteed saving.

Current local price range

6p/l

198.9p/l cheapest, 204.9p/l highest

Cheapest versus local average: £1.10 less than the local average on a 55-litre fill
Cheapest versus highest: £3.30 maximum listed difference on a 55-litre fill

Comparing current diesel prices in Merthyr Tydfil can avoid paying up to 6p/l more than the cheapest listed price.

Diesel (B7) compared with nearby locations

Ranked by current average diesel price. Merthyr Tydfil is highlighted so the local baseline remains easy to find.

Aberdare has the lowest nearby average shown at 197.6p; it is 3.3p/l cheaper than Merthyr Tydfil.

Local market evidence

Diesel market in this location

Distribution, station consistency and forecourt type provide different evidence. None is treated as a guarantee of the next pump price.

Price distribution

198.9p to 200.4p3 stations

200.4p to 201.9p0 stations

201.9p to 203.4p0 stations

203.4p to 204.9p1 station

The largest group of reporting diesel forecourts in Merthyr Tydfil sits in the 198.9p to 200.4p range.

Cheapest station consistency

Supermarkets and other forecourts

Supermarkets: 199.9p/l
Major brands: 201.2p/l
Independent forecourts: No price

Named local evidence: Asda, Esso, EG On The Move.

Where value persists

Diesel brand reliability over 30 days

Historical claims render only when the documented reporting thresholds are met.

No brand has at least two Merthyr Tydfil forecourts and 21 days of diesel evidence for a reliable 30-day comparison.

Areas with the cheapest diesel in Merthyr Tydfil

1Cae-draw1 reporting, 1 below average198.9p/l
2Dowlais Top2 reporting, 1 below average199.9p/l
3Pen-y-Darren1 reporting, 1 below average199.9p/l

Good to know

Fuel price FAQs for Merthyr Tydfil

Use the current local evidence to choose a forecourt, compare nearby places and understand how coverage and freshness affect the figures.

Where is the cheapest diesel (B7) in Merthyr Tydfil today?

The cheapest listed diesel (B7) price in Merthyr Tydfil is 198.9p/l at Eg Merthyr Tydfil Pfs. Check the table before travelling because distance, opening status and recent updates can affect the best choice.

How are Merthyr Tydfil diesel (B7) forecourts ranked?

Forecourts are ranked by their current diesel (B7) price first. If prices are tied or unavailable, the table uses distance and station name. Use the forecourt comparison to sort and inspect the current results.

Are diesel (B7) prices in Merthyr Tydfil below the UK average?

Diesel is above the UK average by 1.8p/l. These comparisons use current location averages and the latest benchmark data available to the page.

How recent are the Merthyr Tydfil fuel prices on this page?

Prices checked 20 Oct 2026, 08:10. Individual prices can remain unchanged between checks until a retailer reports a price change.

Why do some Merthyr Tydfil forecourts not show a current diesel (B7) price?

A forecourt can be listed when it is known to stock diesel (B7), even if there is not a current reported price available for that fuel. The price table keeps those stations visible but prioritises forecourts with current prices.

Should I compare nearby locations before filling up in Merthyr Tydfil?

Nearby comparisons currently show Tredegar at 201.2p/l, 0.3p/l more expensive than Merthyr Tydfil, Aberdare at 197.6p/l, 3.3p/l cheaper than Merthyr Tydfil and Mountain Ash at 199.2p/l, 1.7p/l cheaper than Merthyr Tydfil. Compare Tredegar, Aberdare, Mountain Ash and Ebbw Vale.

How can I compare fuel prices around my current location?

Use cheapest diesel near me for a distance-led comparison based on your current position.

Built on real fuel-price data

Prices are sourced from the UK Government Fuel Finder scheme. Prices checked 20 Oct 2026, 08:10. See how we qualify and compare prices

Retailer reporting target: 30 minutes