Asda Pentwyn Superstore fuel prices
Asda · CF23 8NL · Cardiff/Caerdydd
8 Dering Road, Pontprennau, Cardiff
Unleaded here is 0.6p above the local average at its last reported price, 6 days ago. 8th cheapest of 10 within 3 miles. St Mellons Superstore, 1.4 miles away, is 2.0p cheaper. Prices may have moved since, so check before you travel. Full comparison
Cheapest diesel within 3 miles at its last reported price, 19 days ago. 1.9p below the average of the 8 other stations nearby. Prices may have moved since, so check before you travel. 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 Asda Pentwyn Superstore
How much does it cost to fill up at Asda Pentwyn Superstore?
- Unleaded
- £95.10
- Diesel
- £108.85
Planning a trip? Work out a journey's fuel cost.
Get directions
Petrol stations near CF23 8NL
| Station | Unleaded |
|---|---|
|
Welcome Break
Motorway Services, Cardiff Gate, Cardiff
|
178.9pLast reported 27 days ago
+6.0p dearer
0.3 mi
· Diesel 203.9pLast reported 27 days ago
+6.0p dearer
|
|
Texaco
Pentwyn Service Station, Pentwyn Road, Pentwyn, Cardiff
|
176.9poldLast reported 30 days ago
0.9 mi
· Diesel 203.9poldLast reported 30 days ago
|
|
Texaco
St. Mellons Service Station, Newport Road, Old St. Mellons, Cardiff
|
175.9poldLast reported 32 days ago
1.2 mi
· Diesel 199.9poldLast reported 34 days ago
|
|
Tesco
Tesco Stores Ltd, Crickhowell Road, St. Mellons, Cardiff
|
170.9p
-2.0p cheaper
1.4 mi
· Diesel 198.9pLast reported 18 days ago
+1.0p dearer
|
|
Esso
Newport Road, Castleton / Cardiff, South Glamorgan
|
171.9pLast reported 3 days ago
-1.0p cheaper
2.2 mi
· Diesel 199.9pLast reported 18 days ago
+2.0p dearer
|
|
Texaco
Three Arches Services Ltd, Heathwood Road, Cardiff, CF14 4HT, Cardiff
|
173.9pLast reported 5 days ago
+1.0p dearer
2.5 mi
· Diesel 199.9poldLast reported 35 days ago
|
|
Morrisons
Ipswich Road, Pen-Y-Lan, Cardiff
|
169.9pLast reported 3 days ago
-3.0p cheaper
2.5 mi
· Diesel 197.9pLast reported 9 days ago
same
|
|
Esso
Newport Road, Cardiff, South Glamorgan
|
171.9pLast reported 3 days ago
-1.0p cheaper
2.7 mi
· Diesel 199.9pLast reported 18 days ago
+2.0p dearer
|
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 Asda Pentwyn Superstore fuel prices compare
Unleaded
0.3% more expensive than the 9 stations within 3 miles (+0.6p)
0.7% above the UK average (+1.2p)
1.9% above the Asda national average (+3.3p)
8th cheapest of 10 for Unleaded within 3 miles
Cheaper nearby: St Mellons Superstore — 1.4 mi away, save ~48p after the drive
Savings based on a 55 L fill at 44.6 mpg, round trip.
Lowest 172.9p on 26 Oct · Highest 174.9p on 5 Oct
Diesel
1.0% cheaper than the 8 stations within 3 miles (-1.9p)
0.3% below the UK average (-0.5p)
1.3% above the Asda national average (+2.5p)
1st cheapest of 9 for Diesel within 3 miles
Cheapest diesel within 3 miles
Lowest 197.9p on 13 Oct · Highest 199.9p on 5 Oct
Asda Pentwyn Superstore price history
Recent price changes
Unleaded has fallen 1.0p over the past week and has changed price 3 times in the last 30 days.
Diesel has not changed over the past week and has changed price 3 times in the last 30 days.
| Date | Unleaded | Diesel |
|---|---|---|
| In the past week | ||
| 172.9p −1.0 | 197.9p | |
| Earlier in the last 30 days | ||
| 173.9p −1.0 | 197.9p −1.0 | |
| 174.9p | 198.9p −1.0 | |
| 174.9p +1.0 | 199.9p +1.0 | |
| More than 30 days ago | ||
| 173.9p +1.0 | 198.9p +2.0 | |
| 172.9p +1.0 | 196.9p +1.0 | |
| 171.9p +1.0 | 195.9p +1.0 | |
| 170.9p +1.0 | 194.9p +1.0 | |
| 169.9p | 193.9p +1.0 | |
| 169.9p +1.0 | 192.9p +1.0 | |
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 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 | 172.9p | 91.15p | 52.95p | 28.80p |
| Diesel | 197.9p | 111.95p | 52.95p | 33.00p |
Duty rate: GOV.UK, checked 13 October 2026.
Common questions about Asda Pentwyn Superstore
How much is unleaded at Asda Pentwyn Superstore?
Unleaded at Asda Pentwyn Superstore is 172.9p per litre, last reported on 26 October 2026. That is 1.2p above the UK average. A 55 litre fill costs about £95.10.
How much is diesel at Asda Pentwyn Superstore?
Diesel at Asda Pentwyn Superstore is 197.9p per litre, last reported on 13 October 2026. That is 0.5p below the UK average. A 55 litre fill costs about £108.85.
Is Asda Pentwyn Superstore the cheapest place for unleaded near Cardiff/Caerdydd?
No. Going by the price it last reported, 6 days ago, Asda Pentwyn Superstore is the 8th cheapest of 10 stations for unleaded within 3 miles. St Mellons Superstore, 1.4 miles away, charges 170.9p, which saves about £0.48 on a 55 litre fill after the cost of driving there and back.
What are the opening hours of Asda Pentwyn Superstore?
Asda Pentwyn Superstore is open Monday to Saturday 06:00–22:00, Sunday 10:00–16:00. Bank holiday hours can differ.
What fuel and facilities does Asda Pentwyn Superstore have?
Asda Pentwyn Superstore reports prices for Unleaded and Diesel. Facilities listed for the site: AdBlue (packaged) and Toilets.
How often does Asda Pentwyn Superstore change its prices?
Unleaded has fallen 1.0p over the past week and has changed price 3 times in the last 30 days.