Sainsbury's Gratton Way, Roundswell Buisness Park, Barnstaple
Gratton Way, Roundswell Buisness Park, EX31 3NH Barnstaple — South West
Sainsbury's is a petrol station in Barnstaple, South West. 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. Sainsbury's: Unleaded (E10): £ 1.479, Diesel: £ 1.659.
| Date | Diesel | Unleaded (E10) |
|---|---|---|
| 14/07/2026 | £ 1.609 | £ 1.459 |
| 15/07/2026 | £ 1.609 | £ 1.459 |
| 17/07/2026 | £ 1.609 | £ 1.459 |
| 18/07/2026 | £ 1.639 | £ 1.469 |
| 19/07/2026 | £ 1.639 | £ 1.469 |
| 20/07/2026 | £ 1.639 | £ 1.479 |
| 21/07/2026 | £ 1.659 | £ 1.479 |
Price analysis
- Sainsbury's is currently 5.0p (2.9%) cheaper than the average in South West.
- Price change over the last 24 hours: Diesel +2.0p.
- Cheaper alternative: Asda (1.6 km away) is 0.2p cheaper.
- Sainsbury's is located in Barnstaple, South West.
Is the Sainsbury's petrol station cheap or expensive?
Sainsbury's is currently among the cheapest 25% of stations in South West. Diesel currently costs £ 1.659 here — cheaper than 86% of the 828 stations compared in South West.
Price statistics
- Sainsbury's is currently cheaper than 86% of stations in South West.
- Statistically, the cheapest day to fill up here is Sunday.
- The price has changed 5 times in the last 30 days.
| Month | Avg. price |
|---|---|
| April 2026 | £ 1.868 |
| May 2026 | £ 1.854 |
| June 2026 | £ 1.720 |
| July 2026 | £ 1.618 |
Data since April 2026
Frequently asked questions about Sainsbury's
When is fuel cheapest at Sainsbury's?
Statistically, the cheapest day to fill up at Sainsbury's is Sunday.
Is Sainsbury's cheaper than average in South West?
Yes, at £ 1.659, Sainsbury's is currently cheaper than average in South West (cheaper than 86% of the 828 stations compared).
How often does the fuel price change at Sainsbury's?
Over the last 30 days, the Diesel price at Sainsbury's has changed 5 times.