Live prices
Cheapest diesel (B7) in Mountain Ash
2 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Mountain Ash is £9.09 a gallon (199.9p per litre) at Esso, Cardiff Road, Mountain Ash, Mid Glamorgan (CF45 4HT). The average across 2 forecourts currently reporting this grade is £9.09 a gallon (199.9p per litre). That local average is 3.2p per litre above the UK average of 196.7p.
The average is unchanged since yesterday. The average has risen 9.0p per litre since last week.
Prices last refreshed at 5:32pm on 21 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
 Rontec Mountain Ash (CF45 4HT)24hCardiff Road, Mountain Ash, Mid Glamorgan | £7.91173.9p | £9.09199.9p | £8.77192.9p | ---- | 25 mins ago |
 Abercynon Service Station (CF45 4LJ)24hMain Road, Ynysboeth, Abercynon, Mountain Ash, Mid Glamorgan | £7.91173.9p | £9.09199.9p | ---- | ---- | 25 mins ago |
Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes. Only stations reporting diesel (B7) appear here.
Search a postcode
Questions about diesel (B7) in Mountain Ash
- Where is the cheapest diesel (B7) in Mountain Ash?
- The cheapest reported diesel (B7) in Mountain Ash is 199.9p per litre at Esso, Cardiff Road, Mountain Ash, Mid Glamorgan (CF45 4HT). The average across 2 forecourts reporting this grade is 199.9p per litre. Prices were last refreshed at 5:32pm on 21 September 2026 from official UK Government fuel price data.
- How many stations in Mountain Ash sell diesel (B7)?
- 2 forecourts in Mountain Ash currently report a price for diesel (B7) through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.