The prices for this petrol station have not been updated for some time.
Note: Price data is updated hourly and may be several hours out of date.
Price history
Interactive price history for this petrol station — shows diesel and unleaded price trends over the selected time range.
| Date | Diesel | Unleaded (E10) |
|---|---|---|
| 16/10/2026 | £ 2.049 | £ 1.779 |
| 17/10/2026 | £ 2.049 | £ 1.779 |
| 18/10/2026 | £ 2.049 | £ 1.779 |
| 19/10/2026 | £ 2.049 | £ 1.779 |
| 21/10/2026 | £ 2.049 | £ 1.779 |
| 22/10/2026 | £ 2.049 | £ 1.779 |
| 23/10/2026 | £ 2.029 | £ 1.759 |
Prices are based on data reported by the station and may differ from the price at the pump.
Loading map… — Shell, MFG Porthmadog, High Street, Porthmadog, LL49 9NG. 5 nearby petrol stations.
Price statistics
30 days
Low£ 1.759
High£ 1.779
Average£ 1.769
90 days
Low£ 1.619
High£ 1.779
Average£ 1.704
1 year
Low£ 1.499
High£ 1.779
Average£ 1.593
- Statistically, the cheapest day to fill up here is Sunday.
- The price has changed 2 times in the last 30 days.
| Month | Avg. price |
|---|---|
| April 2026 | £ 1.572 |
| May 2026 | £ 1.575 |
| June 2026 | £ 1.553 |
| July 2026 | £ 1.523 |
| August 2026 | £ 1.619 |
| September 2026 | £ 1.729 |
| October 2026 | £ 1.772 |
Data since April 2026
Frequently asked questions about Shell
When is fuel cheapest at Shell?
Statistically, the cheapest day to fill up at Shell is Sunday.
How often does the fuel price change at Shell?
Over the last 30 days, the Unleaded (E10) price at Shell has changed 2 times.