Live prices
Cheapest diesel (B7) in Penzance
4 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Penzance is £8.63 a gallon (189.9p per litre) at Asda, Western Promenade Road, Wherrytown, Penzance (TR18 4NP). The average across 4 forecourts currently reporting this grade is £9.01 a gallon (198.2p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £4.15 on a 50-litre fill. That local average is 2.0p per litre above the UK average of 196.2p.
The average has risen 0.8p per litre since yesterday. The average has risen 9.0p 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 |
|---|---|---|---|---|---|
 Asda Penzance Express Petrol (TR18 4NP)Western Promenade Road, Wherrytown, Penzance | £7.72169.9p | £8.63189.9p | £8.45185.9p | £9.36205.9p | 27 mins ago |
 Mfg Morrisons Penzance (TR20 8HT)Long Rock Bypass, Penzance, Cornwall | £7.72169.9p | £8.72191.9p | £8.45185.9p | £9.18201.9p | 27 mins ago |
 Newtown Service Station (TR20 9AB)Newtown Services, Newtown, Germoe, Penzance, TR20 9AB, Penzance | £7.95174.9p | £9.09199.9p | ---- | ---- | 27 mins ago |
| Trewellard Garage Petrol Station (TR19 7SP)Trewellard Garage Petrol Station, Pendeen, Penzance | £8.18179.9p | £9.59210.9p | ---- | ---- | 27 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 Penzance
- Where is the cheapest diesel (B7) in Penzance?
- The cheapest reported diesel (B7) in Penzance is 189.9p per litre at Asda, Western Promenade Road, Wherrytown, Penzance (TR18 4NP). The average across 4 forecourts reporting this grade is 198.2p per litre. Prices were last refreshed at 6:02pm on 20 September 2026 from official UK Government fuel price data.
- How many stations in Penzance sell diesel (B7)?
- 4 forecourts in Penzance 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.