Dyffryn Service Station fuel prices
JET · LL65 3DP · Holyhead/Caergybi
Dyffryn Service Station, London Road, Y Fali, Caergybi, LL65 3DP, Caergybi
Cheapest unleaded within 3 miles. 2.0p below the average of the 2 other stations nearby. Full comparison
Cheapest diesel within 3 miles. 2.5p below the average of the 2 other stations nearby. Full comparison
Jump to: current prices, nearby stations, opening hours, amenities, something to eat, location and directions, how this station compares, price history, where the money goes or common questions.
Current prices at Dyffryn Service Station
How much does it cost to fill up at Dyffryn Service Station?
- Unleaded
- £92.90
- Super Unleaded
- £103.90
- Diesel
- £106.65
- Super Diesel
- £117.65
Planning a trip? Work out a journey's fuel cost.
Get directions
Petrol stations near LL65 3DP
| Station | Unleaded |
|---|---|
|
Essar Gwalia Service Station
London Rd, Valley, Anglesey
|
168.9p
same
0.3 mi
· Diesel 193.9p same
|
|
Morrisons
Penrhos Industrial Estate, Penrhos, Holyhead
|
172.9p
+4.0p dearer
2.4 mi
· Diesel 198.9pLast reported 16 days ago
+5.0p dearer
|
|
Tesco
Penrhos Industrial Estate, Penrhos, Holyhead
|
174.9poldLast reported 30 days ago
2.6 mi
· Diesel 199.9poldLast reported 34 days ago
|
Opening Hours
Amenities
Looking for something to eat?
Feeling a bit peckish? Grab something to eat while you fill up. We've gathered local places to eat, along with their food hygiene ratings.
At this forecourt
Well-rated food within half a mile
Hygiene ratings: Food Standards Agency. About this data.
How Dyffryn Service Station fuel prices compare
Unleaded
1.2% cheaper than the 2 stations within 3 miles (-2.0p)
1.6% below the UK average (-2.7p)
0.5% below the JET national average (-0.9p)
1st cheapest of 3 for Unleaded within 3 miles
Cheapest unleaded within 3 miles
Lowest 168.9p on 12 Oct · Highest 173.9p on 3 Oct
Super Unleaded
0.2% above the UK average (+0.3p)
Lowest 188.9p on 12 Oct · Highest 193.9p on 3 Oct
Diesel
1.3% cheaper than the 2 stations within 3 miles (-2.5p)
2.3% below the UK average (-4.5p)
1.8% below the JET national average (-3.6p)
1st cheapest of 3 for Diesel within 3 miles
Cheapest diesel within 3 miles
Lowest 193.9p on 30 Oct · Highest 199.9p on 3 Oct
Super Diesel
1.6% below the UK average (-3.4p)
Lowest 213.9p on 30 Oct · Highest 219.9p on 3 Oct
Dyffryn Service Station price history
Recent price changes
Unleaded, Super Unleaded, Diesel and Super Diesel have fallen 2.0p over the past week and have changed price 6 times in the last 30 days.
| Date | Unleaded | Super Unleaded | Diesel | Super Diesel |
|---|---|---|---|---|
| In the past week | ||||
| 168.9p −2.0 | 188.9p −2.0 | 193.9p −2.0 | 213.9p −2.0 | |
| Earlier in the last 30 days | ||||
| 170.9p +1.0 | 190.9p +1.0 | 195.9p +1.0 | 215.9p +1.0 | |
| 169.9p −3.0 | 189.9p −3.0 | 194.9p −4.0 | 214.9p −4.0 | |
| 172.9p −1.0 | 192.9p −1.0 | 198.9p −1.0 | 218.9p −1.0 | |
| 173.9p +2.0 | 193.9p +2.0 | 199.9p +1.0 | 219.9p +1.0 | |
| More than 30 days ago | ||||
| 171.9p | 191.9p +1.0 | 198.9p +2.0 | 218.9p +2.0 | |
| 171.9p +1.0 | 190.9p | 196.9p +2.0 | 216.9p +2.0 | |
| 170.9p +1.0 | 190.9p +1.0 | 194.9p +1.0 | 214.9p +1.0 | |
| 169.9p | 189.9p | 193.9p +2.0 | 213.9p +2.0 | |
| 169.9p +3.0 | 189.9p +3.0 | 191.9p +4.0 | 211.9p +4.0 | |
One row for each day a price changed. Greyed prices did not change that day. Dates are when the price was submitted, or when we first recorded it if no submission time was supplied.
Where the money goes
About 48% of what you pay for unleaded here is tax. Fuel duty is a flat 52.95p on every litre, and 20% VAT is then charged on the fuel and the duty together. The rest covers the fuel itself, delivery and the retailer's margin.
| Per litre | Pump price | Fuel and retailer | Fuel duty | VAT |
|---|---|---|---|---|
| Unleaded | 168.9p | 87.75p | 52.95p | 28.20p |
| Super Unleaded | 188.9p | 104.45p | 52.95p | 31.50p |
| Diesel | 193.9p | 108.65p | 52.95p | 32.30p |
| Super Diesel | 213.9p | 125.25p | 52.95p | 35.70p |
Duty rate: GOV.UK, checked 13 October 2026.
Common questions about Dyffryn Service Station
How much is unleaded at Dyffryn Service Station?
Unleaded at Dyffryn Service Station is 168.9p per litre, last reported on 30 October 2026. That is 2.7p below the UK average. A 55 litre fill costs about £92.90.
How much is diesel at Dyffryn Service Station?
Diesel at Dyffryn Service Station is 193.9p per litre, last reported on 30 October 2026. That is 4.5p below the UK average. A 55 litre fill costs about £106.65.
Is Dyffryn Service Station the cheapest place for unleaded near Holyhead/Caergybi?
Right now Dyffryn Service Station has the cheapest unleaded of the 3 stations we track within 3 miles, or shares that spot.
Is Dyffryn Service Station open 24 hours?
Yes. Dyffryn Service Station is listed as open 24 hours a day, seven days a week.
What fuel and facilities does Dyffryn Service Station have?
Dyffryn Service Station reports prices for Unleaded, Super Unleaded, Diesel and Super Diesel. Facilities listed for the site: AdBlue (packaged), AdBlue pumps, Air pump / screenwash, Car wash, Toilets, 24-hour fuel and Water filling.
How often does Dyffryn Service Station change its prices?
Unleaded has fallen 2.0p over the past week and has changed price 6 times in the last 30 days.
More fuel prices
- Cheapest petrol and diesel in Holyhead/Caergybi
- Cheapest fuel across Isle of Anglesey
- How JET prices compare with other brands
- UK average petrol and diesel prices today
- E10 vs E5: is super unleaded worth it?
- Is premium diesel worth it?
- Browse fuel prices by town and county
- Find the cheapest fuel near you