St Mellons Service Station fuel prices
Texaco · CF3 5UG · Cardiff/Caerdydd
St. Mellons Service Station, Newport Road, Old St. Mellons, Cardiff
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 St Mellons Service Station
How much does it cost to fill up at St Mellons Service Station?
- Unleaded
- £96.75
- Super Unleaded
- £107.75
- Diesel
- £109.95
Planning a trip? Work out a journey's fuel cost.
Get directions
Petrol stations near CF3 5UG
| Station | Unleaded |
|---|---|
|
Tesco
Tesco Stores Ltd, Crickhowell Road, St. Mellons, Cardiff
|
170.9p
0.4 mi
· Diesel 198.9pLast reported 18 days ago
|
|
Asda
8 Dering Road, Pontprennau, Cardiff
|
172.9pLast reported 6 days ago
1.2 mi
· Diesel 197.9pLast reported 19 days ago
|
|
Esso
Newport Road, Castleton / Cardiff, South Glamorgan
|
171.9pLast reported 3 days ago
1.3 mi
· Diesel 199.9pLast reported 18 days ago
|
|
Welcome Break
Motorway Services, Cardiff Gate, Cardiff
|
178.9pLast reported 28 days ago
1.4 mi
· Diesel 203.9pLast reported 28 days ago
|
|
Texaco
Pentwyn Service Station, Pentwyn Road, Pentwyn, Cardiff
|
176.9poldLast reported 30 days ago
1.6 mi
· Diesel 203.9poldLast reported 30 days ago
|
|
Morrisons
Ipswich Road, Pen-Y-Lan, Cardiff
|
169.9pLast reported 3 days ago
2.7 mi
· Diesel 197.9pLast reported 9 days ago
|
|
Esso
Newport Road, Cardiff, South Glamorgan
|
171.9pLast reported 3 days ago
2.9 mi
· Diesel 199.9pLast reported 18 days ago
|
|
Valero
Newport Road, Cardiff, South Glamorgan
|
171.9p
2.9 mi
· Diesel 199.9pLast reported 18 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.
Well-rated food within half a mile
Hygiene ratings: Food Standards Agency. About this data.
How St Mellons Service Station fuel prices compare
Unleaded
Last reported 32 days ago, too long ago to compare with other stations (see how we work out prices).
Super Unleaded
Last reported 32 days ago, too long ago to compare with other stations (see how we work out prices).
Diesel
Last reported 34 days ago, too long ago to compare with other stations (see how we work out prices).
St Mellons Service Station price history
Recent price changes
Unleaded, Super Unleaded and Diesel have held the same price for the last 30 days.
| Date | Unleaded | Super Unleaded | Diesel |
|---|---|---|---|
| More than 30 days ago | |||
| 175.9p +1.0 | 195.9p +1.0 | 199.9p | |
| 174.9p +1.0 | 194.9p +1.0 | 199.9p +1.0 | |
| 173.9p +1.0 | 193.9p +1.0 | 198.9p +1.0 | |
| 172.9p | 192.9p | 197.9p +2.0 | |
| 172.9p +3.0 | 192.9p +3.0 | 195.9p +1.0 | |
| 169.9p | 189.9p | 194.9p +1.0 | |
| 169.9p +2.0 | 189.9p +2.0 | 193.9p +2.0 | |
| 167.9p +1.0 | 187.9p +1.0 | 191.9p +2.0 | |
| 166.9p | 186.9p | 189.9p +3.0 | |
| 166.9p +2.0 | 186.9p +2.0 | 186.9p | |
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 47% 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 | 175.9p | 93.65p | 52.95p | 29.30p |
| Super Unleaded | 195.9p | 110.25p | 52.95p | 32.70p |
| Diesel | 199.9p | 113.65p | 52.95p | 33.30p |
Duty rate: GOV.UK, checked 13 October 2026.
Common questions about St Mellons Service Station
Is St Mellons Service Station open 24 hours?
Yes. St Mellons Service Station is listed as open 24 hours a day, seven days a week.
What fuel and facilities does St Mellons Service Station have?
St Mellons Service Station reports prices for Unleaded, Super Unleaded and Diesel. Facilities listed for the site: AdBlue (packaged), Air pump / screenwash, Car wash and 24-hour fuel.
How often does St Mellons Service Station change its prices?
Unleaded has held the same price for the last 30 days.