What is the average petrol price in Merthyr Tydfil?

The average unleaded (E10) petrol price in Merthyr Tydfil is currently 170.2p per litre (approx. £7.74/gal), based on live data from 3 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.

What is the average diesel price in Merthyr Tydfil?

The average diesel (B7) price in Merthyr Tydfil is currently 197.6p per litre (approx. £8.98/gal). This is based on live data from forecourts in the area, updated every 30 minutes.

Which is the cheapest petrol station in Merthyr Tydfil?

EG On the Move at 3 - 3A Lower High Street, Merthyr Tydfil, Glamorgan currently has the cheapest reported unleaded petrol in Merthyr Tydfil at 167.9p per litre (approx. £7.63/gal). Prices change regularly, so check this page for the latest.

Which is the most expensive petrol station in Merthyr Tydfil?

According to official UK government fuel price data, Rontec Dowlais (CF48 3DA) currently has the highest reported unleaded (E10) price in Merthyr Tydfil at 171.9p per litre (approx. £7.81/gal). Prices are refreshed every 30 minutes, so this can change through the day.

How do I find the cheapest fuel near Merthyr Tydfil?

Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.

Live prices

Cheapest petrol and diesel prices in Merthyr Tydfil

3 forecourts tracked in Merthyr Tydfil (3 reporting unleaded (E10), 3 reporting diesel (B7), 2 reporting premium (E5), 1 reporting super diesel). Prices last refreshed at 5:04pm on 4 November 2026.

The cheapest reported unleaded petrol (E10) in Merthyr Tydfil is £7.63 a gallon (167.9p per litre) at EG On the Move, 3 - 3A Lower High Street, Merthyr Tydfil, Glamorgan. The average across 3 forecourts currently reporting this grade is £7.74 a gallon (170.2p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £1.15 on a 50-litre fill. That local average is 0.8p per litre below the UK average of 171.0p.

The average has fallen 0.7p per litre since yesterday. The average has fallen 3.7p per litre since last week.

Prices last refreshed at 5:04pm on 4 November 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.

At 167.9p per litre, the cheapest unleaded in Merthyr Tydfil is the lowest we have recorded here in 4 weeks. The Merthyr Tydfil average has fallen 3.7p a litre over the past week.

Unleaded Prices

Unleaded (E10)

Highest: £7.81/gal171.9p/L
Average: £7.74/gal170.2p/L
Lowest: £7.77/gal170.9p/L

Diesel Prices

Diesel (B7)

Highest: £9.00/gal197.9p/L
Average: £8.98/gal197.6p/L
Lowest: £8.95/gal196.9p/L

Premium Unleaded Prices

Premium Unleaded (E5)

Highest: £8.68/gal190.9p/L
Average: £8.61/gal189.4p/L
Lowest: £8.54/gal187.9p/L

Super Diesel Prices

Super Diesel (SDV)

Highest: £9.86/gal216.9p/L
Average: £9.86/gal216.9p/L
Lowest: £9.86/gal216.9p/L

All forecourts in Merthyr Tydfil

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3 forecourts in Merthyr Tydfil, with live prices and full addresses. Showing 1 to 3.

Cheapest unleaded e10Eg Merthyr Tydfil Pfs

3 - 3A Lower High Street, Merthyr Tydfil, Glamorgan · CF47 8EB

Usually cheapest 6pm to 11pm, priciest 6am to 11am here

Directions

Diesel B7

Premium E5

Asda Merthyr Tydfil Superstore

Dowlais Top, Merthyr Tydfil · CF48 2YF

Usually cheapest 8pm to midnight, priciest midnight to 5am here

Directions

Diesel B7

Rontec Dowlais

New Road, Merthyr Tydfil, Mid Glamorgan · CF48 3DA

Usually cheapest 4pm to 9pm, priciest midnight to 5am here

Directions

Diesel B7

Premium E5

Super Diesel

Search near Merthyr Tydfil

Ask the fuel analyst

Answers come straight from recorded official price data, refreshed every 30 minutes.

Cheapest reported unleaded

EG On the Move

3 - 3A Lower High Street, Merthyr Tydfil, Glamorgan

167.9p/L

Cheapest reported diesel

EG On the Move

3 - 3A Lower High Street, Merthyr Tydfil, Glamorgan

196.9p/L

By fuel grade in Merthyr Tydfil

Cheapest unleaded petrol (E10) in Merthyr Tydfil Cheapest diesel (B7) in Merthyr Tydfil Cheapest premium unleaded (E5) in Merthyr Tydfil Cheapest super diesel in Merthyr Tydfil 24-hour petrol stations in Merthyr Tydfil

Nearby areas

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Prices are sourced from official UK government fuel-price data (Open Government Licence v3.0). Updated every 30 minutes.

Questions about fuel prices in Merthyr Tydfil

What is the average petrol price in Merthyr Tydfil?: The average unleaded (E10) petrol price in Merthyr Tydfil is currently 170.2p per litre (approx. £7.74/gal), based on live data from 3 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
What is the average diesel price in Merthyr Tydfil?: The average diesel (B7) price in Merthyr Tydfil is currently 197.6p per litre (approx. £8.98/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
Which is the cheapest petrol station in Merthyr Tydfil?: EG On the Move at 3 - 3A Lower High Street, Merthyr Tydfil, Glamorgan currently has the cheapest reported unleaded petrol in Merthyr Tydfil at 167.9p per litre (approx. £7.63/gal). Prices change regularly, so check this page for the latest.
Which is the most expensive petrol station in Merthyr Tydfil?: According to official UK government fuel price data, Rontec Dowlais (CF48 3DA) currently has the highest reported unleaded (E10) price in Merthyr Tydfil at 171.9p per litre (approx. £7.81/gal). Prices are refreshed every 30 minutes, so this can change through the day.
How do I find the cheapest fuel near Merthyr Tydfil?: Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.