What is the average petrol price in Mountain Ash?

The average unleaded (E10) petrol price in Mountain Ash is currently 173.9p per litre (approx. £7.91/gal), based on live data from 2 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.

What is the average diesel price in Mountain Ash?

The average diesel (B7) price in Mountain Ash is currently 198.9p per litre (approx. £9.04/gal). This is based on live data from forecourts in the area, updated every 30 minutes.

Which is the cheapest petrol station in Mountain Ash?

Esso at Cardiff Road, Mountain Ash, Mid Glamorgan currently has the cheapest reported unleaded petrol in Mountain Ash at 173.9p per litre (approx. £7.91/gal). Prices change regularly, so check this page for the latest.

Which is the most expensive petrol station in Mountain Ash?

According to official UK government fuel price data, Abercynon Service Station (CF45 4LJ) currently has the highest reported unleaded (E10) price in Mountain Ash at 173.9p per litre (approx. £7.91/gal). Prices are refreshed every 30 minutes, so this can change through the day.

How do I find the cheapest fuel near Mountain Ash?

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 Mountain Ash

2 forecourts tracked in Mountain Ash (2 reporting unleaded (E10), 2 reporting diesel (B7), 1 reporting premium (E5)). Prices last refreshed at 11:01pm on 19 September 2026.

The cheapest reported unleaded petrol (E10) in Mountain Ash is £7.91 a gallon (173.9p per litre) at Esso, Cardiff Road, Mountain Ash, Mid Glamorgan. The average across 2 forecourts currently reporting this grade is £7.91 a gallon (173.9p per litre). That local average is 1.2p per litre above the UK average of 172.7p.

The average is unchanged since yesterday. The average has risen 4.0p per litre since last week.

Prices last refreshed at 11:01pm on 19 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.

At 173.9p per litre, the cheapest unleaded in Mountain Ash is the highest we have recorded here in 4 weeks. The Mountain Ash average has risen 3.0p a litre over the past week.

Unleaded Prices

Unleaded (E10)

Highest: £7.91/gal173.9p/L
Average: £7.91/gal173.9p/L
Lowest: £7.91/gal173.9p/L

Diesel Prices

Diesel (B7)

Highest: £9.09/gal199.9p/L
Average: £9.04/gal198.9p/L
Lowest: £9.00/gal197.9p/L

Premium Unleaded Prices

Premium Unleaded (E5)

Highest: £8.77/gal192.9p/L
Average: £8.77/gal192.9p/L
Lowest: £8.77/gal192.9p/L

Super Diesel Prices

Super Diesel (SDV)

Not enough current price data.

All forecourts in Mountain Ash

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2 forecourts in Mountain Ash, with live prices and full addresses. Showing 1 to 2.

Cheapest unleaded e10Rontec Mountain Ash

Cardiff Road, Mountain Ash, Mid Glamorgan · CF45 4HT

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

Directions

Diesel B7

Premium E5

Abercynon Service Station

Main Road, Ynysboeth, Abercynon, Mountain Ash, Mid Glamorgan · CF45 4LJ

Usually cheapest 8am to 1pm, priciest 2pm to 7pm here

Directions

Diesel B7

Search near Mountain Ash

Ask the fuel analyst

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

Cheapest reported unleaded

Esso

Cardiff Road, Mountain Ash, Mid Glamorgan

173.9p/L

Cheapest reported diesel

Murco

Main Road, Ynysboeth, Abercynon, Mountain Ash, Mid Glamorgan

197.9p/L

By fuel grade in Mountain Ash

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

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 Mountain Ash

What is the average petrol price in Mountain Ash?: The average unleaded (E10) petrol price in Mountain Ash is currently 173.9p per litre (approx. £7.91/gal), based on live data from 2 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
What is the average diesel price in Mountain Ash?: The average diesel (B7) price in Mountain Ash is currently 198.9p per litre (approx. £9.04/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
Which is the cheapest petrol station in Mountain Ash?: Esso at Cardiff Road, Mountain Ash, Mid Glamorgan currently has the cheapest reported unleaded petrol in Mountain Ash at 173.9p per litre (approx. £7.91/gal). Prices change regularly, so check this page for the latest.
Which is the most expensive petrol station in Mountain Ash?: According to official UK government fuel price data, Abercynon Service Station (CF45 4LJ) currently has the highest reported unleaded (E10) price in Mountain Ash at 173.9p per litre (approx. £7.91/gal). Prices are refreshed every 30 minutes, so this can change through the day.
How do I find the cheapest fuel near Mountain Ash?: 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.