Live prices
Cheapest diesel (B7) in Machynlleth
2 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Machynlleth is £8.91 a gallon (195.9p per litre) at Mallwyd Service Station, Mallwyd Service Station, Mallwyd, Machynlleth, SY20 9HN, Machynlleth (SY20 9HN). The average across 2 forecourts currently reporting this grade is £8.95 a gallon (196.9p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £0.50 on a 50-litre fill. That local average is 0.7p per litre above the UK average of 196.2p.
The average is unchanged since yesterday. The average has risen 4.5p per litre since last week.
Prices last refreshed at 6:02pm on 20 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 |
|---|---|---|---|---|---|
| Mallwyd Service Station (SY20 9HN)Mallwyd Service Station, Mallwyd, Machynlleth, SY20 9HN, Machynlleth | £7.72169.9p | £8.91195.9p | ---- | ---- | 11 mins ago |
 Ascona Machynlleth Service Station (SY20 8BH)Heol Y Doll, Machynlleth, Machynlleth, Powys | £7.81171.9p | £9.00197.9p | £9.09199.9p | £10.00219.9p | 11 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.
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Questions about diesel (B7) in Machynlleth
- Where is the cheapest diesel (B7) in Machynlleth?
- The cheapest reported diesel (B7) in Machynlleth is 195.9p per litre at Mallwyd Service Station, Mallwyd Service Station, Mallwyd, Machynlleth, SY20 9HN, Machynlleth (SY20 9HN). The average across 2 forecourts reporting this grade is 196.9p per litre. Prices were last refreshed at 6:02pm on 20 September 2026 from official UK Government fuel price data.
- How many stations in Machynlleth sell diesel (B7)?
- 2 forecourts in Machynlleth 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.