Tesco · Supermarket forecourt
Tesco ST Mellons Superstore petrol station
Tesco Stores Ltd, Crickhowell Road, St. Mellons, Cardiff CF3 0EF
Prices at this forecourt
Live- Unleaded
- Diesel
- Super
Prices and how they compare
Against the 29 forecourts in Cardiff and the UK average.
| Fuel | Price | Reported | In Cardiff | UK | Last 30 days |
|---|---|---|---|---|---|
| Unleaded (E10) | 167.9p | 5 Nov 2026, 16:49 | 1.2p below average6th cheapest of 29 | 1.4p below UK | 6 changeslast −1.0p on 5 Nov 2026, 16:49 |
| Diesel (B7) | 197.9p | 2 Nov 2026, 16:15 | 0.4p below average8th cheapest of 24 | 0.3p above UK | 2 changeslast −1.0p on 2 Nov 2026, 16:12 |
| Super unleaded (E5) | 177.9p | 5 Nov 2026, 16:49 | 8.3p below averageCheapest of 20 | 9.3p below UK | 6 changeslast −1.0p on 5 Nov 2026, 16:49 |
Price history over 90 days
Each step is a price change the forecourt reported. Flat stretches are a price holding steady.
Unleaded (E10)
Diesel (B7)
Super unleaded (E5)
Cheaper fuel nearby
Forecourts within 5 miles with a lower price right now, and what the difference comes to on a 55-litre tank.
Cheaper unleaded than 167.9p
- MFG Morrisons Cardiff Tyglass4.2 miles · reported 7 Nov 2026, 21:42165.9p2.0p less · £1.10
- Asda Pentwyn Superstore1.4 miles · reported 7 Nov 2026, 17:58166.9p1.0p less · £0.55
- MFG Morrisons Cardiff Newport Road2.4 miles · reported 6 Nov 2026, 22:58166.9p1.0p less · £0.55
- Asda Newport Superstore4.1 miles · reported 7 Nov 2026, 18:02167.7p0.2p less · £0.11
Cheaper diesel than 197.9p
- MFG Morrisons Cardiff Tyglass4.2 miles · reported 8 Nov 2026, 21:47194.9p3.0p less · £1.65
- Cardiff Extra - Petrol Filling Station4.8 miles · reported 5 Nov 2026, 14:12195.9p2.0p less · £1.10
- Cardiff Tyn-y-parc Express4.9 miles · reported 2 Nov 2026, 15:45195.9p2.0p less · £1.10
Opening hours and facilities
Opening hours
| monday | 06:00 – 22:00 |
|---|---|
| tuesday | 06:00 – 22:00 |
| wednesday | 06:00 – 22:00 |
| thursday | 06:00 – 22:00 |
| friday | 06:00 – 22:00 |
| saturday | 06:00 – 22:00 |
| sunday | 06:00 – 22:00 |
| Bank holidays | 07:00 – 21:00 |
Facilities
- AdBlue (Packaged)
- Air / Screenwash
- Car Wash
- Toilets
- Water
- Brand
- Tesco
- Phone
- +448003234040
- Postcode
- CF3 0EF
- Council area
- Cardiff
Nearest forecourts
The closest 8 forecourts within 5 miles, nearest first; sort by any fuel's price.
- Asda Pentwyn Superstore
Asda · 1.4 miles · CF23 8NL
- Unleaded
- 166.9p7 Nov 2026, 17:58
- Diesel
- 197.9p13 Oct 2026, 18:57
- Super
- —
- Prem. diesel
- —
- MFG Morrisons Cardiff Newport Road
Morrisons · 2.4 miles · CF23 9YG
- Unleaded
- 166.9p6 Nov 2026, 22:58
- Diesel
- 197.9p23 Oct 2026, 22:44
- Super
- 185.9p5 Nov 2026, 22:46
- Prem. diesel
- 207.9p23 Oct 2026, 22:44
24 hours
- MFG Cardinal
Valero · 2.6 miles · CF23 9AD
- Unleaded
- 167.9p9 Nov 2026, 00:33
- Diesel
- 199.9p15 Oct 2026, 00:12
- Super
- 185.9p5 Nov 2026, 23:35
- Prem. diesel
- —
24 hoursAdBlue pumps
- MFG Castleton
Esso · 1.7 miles · CF3 2UR
- Unleaded
- 167.9p6 Nov 2026, 23:31
- Diesel
- 199.9p14 Oct 2026, 23:43
- Super
- 189.9p5 Nov 2026, 23:49
- Prem. diesel
- —
24 hours
- MFG Premier
Esso · 2.5 miles · CF23 9AE
- Unleaded
- 167.9p8 Nov 2026, 23:51
- Diesel
- 199.9p14 Oct 2026, 23:56
- Super
- 189.9p5 Nov 2026, 23:41
- Prem. diesel
- —
24 hours
- Pentwyn Service Station
Texaco · 1.5 miles · CF23 7XH
- Unleaded
- 174.9p5 Nov 2026, 09:39
- Diesel
- 199.9p5 Nov 2026, 09:39
- Super
- 194.9p5 Nov 2026, 09:39
- Prem. diesel
- 219.9p5 Nov 2026, 09:39
24 hoursAdBlue pumps
- St Mellons Service Station
Texaco · 0.4 miles · CF3 5UG
- Unleaded
- —
- Diesel
- —
- Super
- —
- Prem. diesel
- —
24 hours
- Welcome Break Cardiff
Welcome Break · 1.6 miles · CF23 8RA
- Unleaded
- —
- Diesel
- —
- Super
- —
- Prem. diesel
- —
24 hoursMotorway servicesAdBlue pumps
| Forecourt | ||||
|---|---|---|---|---|
Asda Pentwyn Superstore Asda · 1.4 miles · CF23 8NL | 166.9p (cheapest)7 Nov 2026, 17:58 | 197.9p (cheapest)13 Oct 2026, 18:57 | — | — |
| 166.9p (cheapest)6 Nov 2026, 22:58 | 197.9p (cheapest)23 Oct 2026, 22:44 | 185.9p (cheapest)5 Nov 2026, 22:46 | 207.9p (cheapest)23 Oct 2026, 22:44 | |
| 167.9p9 Nov 2026, 00:33 | 199.9p15 Oct 2026, 00:12 | 185.9p (cheapest)5 Nov 2026, 23:35 | — | |
| 167.9p6 Nov 2026, 23:31 | 199.9p14 Oct 2026, 23:43 | 189.9p5 Nov 2026, 23:49 | — | |
| 167.9p8 Nov 2026, 23:51 | 199.9p14 Oct 2026, 23:56 | 189.9p5 Nov 2026, 23:41 | — | |
| 174.9p5 Nov 2026, 09:39 | 199.9p5 Nov 2026, 09:39 | 194.9p5 Nov 2026, 09:39 | 219.9p5 Nov 2026, 09:39 | |
| — | — | — | — | |
| — | — | — | — |
Questions about Tesco ST Mellons Superstore
How much is fuel at Tesco ST Mellons Superstore?
- Unleaded (E10) is 167.9p a litre, reported 5 Nov 2026, 16:49; diesel is 197.9p, reported 2 Nov 2026, 16:15. Prices are as the forecourt last reported them to the Fuel Finder scheme and can change before you arrive.
Is Tesco ST Mellons Superstore open 24 hours?
- No. Today's hours and the rest of the week are listed above; they come from the retailer and bank holidays can differ.
Which fuels does Tesco ST Mellons Superstore sell?
- It currently reports prices for Unleaded (E10), Diesel (B7) and Super unleaded (E5).
Is there cheaper petrol near Tesco ST Mellons Superstore?
- Yes — MFG Morrisons Cardiff Tyglass, 4.2 miles away, charges 165.9p for unleaded (2.0p less, about £1.10 on a 55-litre tank).
Get told when fuel in Cardiff gets cheaper
Price-drop alerts, your saved stations and CarPlay are coming in the FuelWise iPhone app, which is in final testing. Prices here stay free on the web.
Prices are reported by the forecourts themselves to the UK Government's Fuel Finder scheme, which requires every change to be published within 30 minutes. FuelWise reads the feed every 15 minutes and last updated these figures on 9 Nov 2026, 08:46. Each price shows when it was reported; prices older than 30 days and stations that have stopped reporting are left out.
How we calculate averages · Contains public sector information licensed under the Open Government Licence v3.0.
More: all fuel prices in Cardiff · UK fuel prices by area · Tesco prices across the UK