Live prices
Cheapest diesel (B7) in Cornwall
2 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Cornwall is 170.9p per litre at SAINSBURY'S, EASTERN GREEN, PENZANCE, CORNWALL (TR18 3AP). The average across 2 forecourts currently reporting this grade is 175.4p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £2.25 on a 50-litre fill. That local average is 3.4p per litre below the UK average of 178.8p.
The average is unchanged since yesterday. The average has risen 3.5p per litre since last week.
Prices last refreshed at 11:31pm on 30 July 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
| SAINSBURY'S (TR18 3AP)EASTERN GREEN, PENZANCE, CORNWALL | 155.9p | 170.9p | 167.9p | -- | 20 mins ago |
| TEXACO (PL13 1HN)24hSTATION ROAD, LOOE, CORNWALL, CORNWALL | 152.9p | 179.9p | 173.9p | 200.9p | 20 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 Cornwall
- Where is the cheapest diesel (B7) in Cornwall?
- The cheapest reported diesel (B7) in Cornwall is 170.9p per litre at SAINSBURY'S, EASTERN GREEN, PENZANCE, CORNWALL (TR18 3AP). The average across 2 forecourts reporting this grade is 175.4p per litre. Prices were last refreshed at 11:31pm on 30 July 2026 from official UK Government fuel price data.
- How many stations in Cornwall sell diesel (B7)?
- 2 forecourts in Cornwall 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.