Shell
Shell Britannia
Mona Road, Isle of Anglesey, LL59 5EB
E10Unleaded
176.9p3.2p above UK averageWales average 173.2pLast changed 20 hours agoE5Super unleaded
199.9p8.8p above UK averageWales average 189.6pMay be out of date: last changed on 16 SepB7Diesel
201.9p2.9p above UK averageWales average 198.5pLast changed 20 hours agoB7Premium diesel
229.9p11.4p above UK averageWales average 216.5pLast changed on 8 OctPrice history
Last 90 daysPrice changes (2)
| From | Price |
|---|---|
| 23 Oct 2026, 11:07am | 176.9p |
| 12 Oct 2026, 1:11pm | 177.9p |
Price changes (1)
| From | Price |
|---|---|
| 16 Sep 2026, 5:55pm | 199.9p |
Price changes (2)
| From | Price |
|---|---|
| 23 Oct 2026, 11:07am | 201.9p |
| 12 Oct 2026, 1:11pm | 204.9p |
Price changes (1)
| From | Price |
|---|---|
| 8 Oct 2026, 3:43pm | 229.9p |
Cheaper unleaded nearby
Within 5 miOpening hours
| Monday | 24 hours |
|---|---|
| Tuesday | 24 hours |
| Wednesday | 24 hours |
| Thursday | 24 hours |
| Friday | 24 hours |
| Saturday (today) | 24 hours |
| Sunday | 24 hours |
| Bank holidays | 24 hours |
At this forecourt
- 24-hour fuel
- Toilets
- Air & screenwash
- Water
- AdBlue (bottled)
Fuels sold: Unleaded Super unleaded Diesel Premium diesel
- County
- Gwynedd
- Region
- Wales
- Forecourt details
- Updated 12 Oct 2026
Prices and details are reported by the retailer to the UK government's Fuel Finder scheme and published under the Open Government Licence. Spotted a wrong price? Report it to Fuel Finder.