Tesco Unit 6 Harlech Retail Park, Cardiff Road, Casnewydd
Unit 6 Harlech Retail Park, Cardiff Road, NP20 3BA Casnewydd — Wales
Tesco is a petrol station in Casnewydd, Wales. Find current diesel and unleaded prices, the full price history, opening hours and accepted payment methods — data source: UK Fuel Finder.
Unleaded (E10)
Diesel
Price history
Interactive price history for this petrol station — shows diesel and unleaded price trends over the selected time range. Tesco: Unleaded (E10): £ 1.489, Diesel: £ 1.649.
| Date | Diesel | Unleaded (E10) |
|---|---|---|
| 14/07/2026 | £ 1.579 | £ 1.459 |
| 15/07/2026 | £ 1.579 | £ 1.459 |
| 16/07/2026 | £ 1.579 | £ 1.479 |
| 17/07/2026 | £ 1.599 | £ 1.479 |
| 18/07/2026 | £ 1.619 | £ 1.479 |
| 20/07/2026 | £ 1.619 | £ 1.479 |
| 21/07/2026 | £ 1.649 | £ 1.489 |
Price analysis
- Tesco is currently 4.0p (2.4%) cheaper than the average in Wales.
- Price change over the last 24 hours: Diesel +3.0p, Unleaded +1.0p.
- Cheaper alternative: Asda (1.8 km away) is 2.2p cheaper.
- Tesco is located in Casnewydd, Wales.
Is the Tesco petrol station cheap or expensive?
Tesco is currently among the cheapest 25% of stations in Wales. Diesel currently costs £ 1.649 here — cheaper than 83% of the 431 stations compared in Wales.
Price statistics
- Tesco is currently cheaper than 83% of stations in Wales.
- Statistically, the cheapest day to fill up here is Sunday.
- The price has changed 7 times in the last 30 days.
| Month | Avg. price |
|---|---|
| April 2026 | £ 1.874 |
| May 2026 | £ 1.847 |
| June 2026 | £ 1.717 |
| July 2026 | £ 1.592 |
Frequently asked questions about Tesco
When is fuel cheapest at Tesco?
Statistically, the cheapest day to fill up at Tesco is Sunday.
Is Tesco cheaper than average in Wales?
Yes, at £ 1.649, Tesco is currently cheaper than average in Wales (cheaper than 83% of the 431 stations compared).
How often does the fuel price change at Tesco?
Over the last 30 days, the Diesel price at Tesco has changed 7 times.