Cheapest Fuel in Caerphilly/Caerffil
Caerphilly · 19 stations within 5 miles
Where in Caerphilly/Caerffil are you?
The cheapest price in town is no use if it is on the far side of it.
Central Caerphilly/Caerffil
Cheapest unleaded in central Caerphilly/Caerffil is MFG Morrisons Caerphilly at 167.9p.
That is the cheapest unleaded in the whole 5 miles, so you are already on the right side of Caerphilly/Caerffil.
Cheapest diesel in central Caerphilly/Caerffil is Caerphilly Service Station CF83 at 196.9p (last reported 10 days ago).
The cheapest in the whole 5 miles is Hengoed Ystrad Mynach Superstore at 194.9p, 4.7 miles away across town (last reported 18 days ago); on a 55 litre fill that saves £1.10 before the drive, but the round trip would burn about £2.22 of fuel, so stay central.
Prices may have moved since, so check before you travel. Those sums count the fuel for the round trip at typical mpg, nothing else. 4 miles across a city at busy times can take 20 minutes, and we have no traffic data — judge that part yourself.
Stations near Caerphilly/Caerffil
Stations here change their unleaded price every 4 days on average.
Stations here change their diesel price every 3 days on average.
| Station | Unleaded | Diesel | Distance |
|---|---|---|---|
| 167.9p | 196.9p | 0.6 mi | |
| 167.9p | 196.9p | 1.0 mi | |
| 167.9p | 198.9p | 1.2 mi | |
|
Hengoed Ystrad Mynach Superstore
3 days ago
North · Tesco Stores Ltd, New Road, Ystrad Mynach, Hengoed
|
167.9p | 194.9p | 5.0 mi |
| 168.7p | 195.7p | 3.3 mi | |
| 168.9p | 196.9p | 3.2 mi | |
| 168.9p | 199.9p | 3.4 mi | |
| 169.9p | 198.9p | 1.4 mi | |
| 169.9p | 196.9p | 3.3 mi | |
| 169.9p | 196.9p | 3.7 mi | |
|
Sainsbury's Thornhill
2 days ago
South · District Shopping Centre, Excalibur Drive, Thornhill, Cardiff
|
170.9p | 198.9p | 2.5 mi |
|
Caerphilly Service Station CF83
1 week ago
Centre · 242, Nantgarw Road, Caerffili, CF83 1BW, Caerffili
|
171.9p | 196.9p | 0.6 mi |
| 172.9p | 197.9p | 4.6 mi | |
|
Texaco Three Arches Services
5 days ago
South · Three Arches Services Ltd, Heathwood Road, Cardiff, CF14 4HT, Cardiff
|
173.9p | 199.9poldLast reported 35 days ago | 4.0 mi |
|
Tivoli Service Station CF14
1 week ago
South · Tivoli Service Station, 14, Station Road, Llandaff North, Cardiff
|
175.9p | 201.9p | 4.7 mi |
| 175.9p | 201.9poldLast reported 34 days ago | 4.7 mi | |
| 178.9p | 203.9p | 4.4 mi | |
| 172.9poldLast reported 36 days ago | 198.9p | 2.4 mi | |
| 176.9poldLast reported 30 days ago | 203.9poldLast reported 30 days ago | 4.8 mi |
old: last reported more than a month ago.
Premium fuel and the price spread in Caerphilly/Caerffil
How far apart prices are
Cheapest to dearest is 11.0p a litre. Choosing well saves £6.05 on a 55 litre fill.
MFG Morrisons Caerphilly 0.6 mi
Cheapest to dearest is 9.0p a litre. Choosing well saves £4.95 on a 55 litre fill.
Premium grades
Hengoed Ystrad Mynach Superstore, 5.0 mi (last reported 3 days ago).
Super unleaded costs 11.0p a litre more than unleaded here.
MFG Morrisons Caerphilly, 0.6 mi (last reported 13 days ago).
Super diesel costs 12.0p a litre more than diesel here.
Prices in Caerphilly/Caerffil over time
Average unleaded price in Caerphilly/Caerffil each day over the last 30 days, against the UK average
The line is the average of the prices on record each day; the figures below compare the same stations on both dates.
Figures to 2 November 2026.
Unleaded in Caerphilly/Caerffil is down 1.3p this week. It is down 3.3p over 30 days and up 10.6p over 90 days.
Most often cheapest
Hengoed Ystrad Mynach Superstore has been the cheapest unleaded in Caerphilly/Caerffil on 41 of the last 90 days.
Diesel in Caerphilly/Caerffil is down 0.1p this week. It is down 1.6p over 30 days and up 19.1p over 90 days.
Most often cheapest
Hengoed Ystrad Mynach Superstore has been the cheapest diesel in Caerphilly/Caerffil on 43 of the last 90 days.
Worth a drive from Caerphilly/Caerffil?
Prices in the nearest towns, measured from the town centre, after the fuel the round trip itself burns at typical mpg.
No town near Caerphilly/Caerffil beats it on unleaded once you count the drive.
No town near Caerphilly/Caerffil beats it on diesel once you count the drive.
Motorway prices near Caerphilly/Caerffil
Services on the M4 near Caerphilly/Caerffil charge 11.0p a litre more for unleaded than the cheapest in town: Welcome Break Cardiff at 178.9p (last reported 28 days ago), 4.4 mi away.
Services on the M4 near Caerphilly/Caerffil charge 9.0p a litre more for diesel than the cheapest in town: Welcome Break Cardiff at 203.9p (last reported 28 days ago), 4.4 mi away.
Open 24 hours in Caerphilly/Caerffil
10 of the stations within 5 miles are open around the clock.
The cheapest 24-hour unleaded is MFG Caerphilly at 167.9p, 1.2 mi.
The cheapest 24-hour diesel is Hengoed Ystrad Mynach Superstore at 194.9p (last reported 18 days ago), 5.0 mi.
Facilities in Caerphilly/Caerffil
Across the stations within 5 miles. AdBlue pumps, LPG and HVO are the hard ones to find, so those name a station.
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AdBlue pumps 4 stations
Cheapest: Rontec Penrhos, 198.9p (last reported 3 days ago), 1.4 mi
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AdBlue (packaged) 19 stations
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Car wash 9 stations
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Toilets 9 stations
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Air pump / screenwash 14 stations
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Water filling 9 stations
Mapped by volunteers
- At least 4 stations have pay at pump.
Volunteers map these, so treat each count as a floor rather than the whole picture.
Some of these details come from OpenStreetMap, © OpenStreetMap contributors, under the Open Database Licence.
Something to eat near the cheapest
At or near the three cheapest unleaded forecourts in Caerphilly/Caerffil.
- MFG Morrisons Caerphilly: Caffi Cwtch by Claire, 0.2 mi away, rated 5 for food hygiene (inspected Aug 2026). Check opening hours
- Asda Caerphilly Superstore: Compass Group at Asda Cafe, 0.1 mi away, rated 5 for food hygiene (inspected Sep 2026). Check opening hours
- MFG Caerphilly: Baguette & Co, 0.3 mi away, rated 5 for food hygiene (inspected May 2026). Check opening hours
Hygiene ratings: Food Standards Agency. About this data.
Brands in Caerphilly/Caerffil
9 of 19 stations are supermarket forecourts.
Across the stations within 5 miles, supermarket forecourts average 1.9p less on unleaded than the branded ones, on prices reported over the last 17 days.
Across the stations within 5 miles, supermarket forecourts average 2.3p less on diesel than the branded ones, on prices reported over the last 25 days.
Sorted by average unleaded
-
Morrisons 2 stations
Average unleaded 168.4p (on prices reported over the last 3 days); cheapest MFG Morrisons Caerphilly at 167.9p, 0.6 mi
Average diesel 196.9p (on prices reported over the last 15 days); cheapest MFG Morrisons Caerphilly at 196.9p (last reported 13 days ago), 0.6 mi
-
Tesco 3 stations
Average unleaded 169.2p (on prices reported over the last 17 days); cheapest Hengoed Ystrad Mynach Superstore at 167.9p (last reported 3 days ago), 5.0 mi
Average diesel 196.2p (on prices reported over the last 18 days); cheapest Hengoed Ystrad Mynach Superstore at 194.9p (last reported 18 days ago), 5.0 mi
-
Asda 3 stations
Average unleaded 169.8p (on prices reported over the last 6 days); cheapest Asda Caerphilly Superstore at 167.9p (last reported 3 days ago), 1.0 mi
Average diesel 196.8p (on prices reported over the last 19 days); cheapest Asda Cardiff Coryton Supercentre at 195.7p (last reported 9 days ago), 3.3 mi
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Esso 3 stations
Average unleaded 172.4p (on prices reported over the last 5 days); cheapest MFG Treforest at 168.9p (last reported 3 days ago), 3.4 mi
Average diesel 199.4p (on prices reported over the last 25 days); cheapest Asda Chequered Flag Express Petrol at 198.9p (last reported 25 days ago), 2.4 mi
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Valero 1 station
Unleaded at MFG Caerphilly: 167.9p, 1.2 mi
Diesel at MFG Caerphilly: 198.9p (last reported 18 days ago), 1.2 mi
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BP 1 station
Unleaded at Rontec Penrhos: 169.9p (last reported 3 days ago), 1.4 mi
Diesel at Rontec Penrhos: 198.9p (last reported 3 days ago), 1.4 mi
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Sainsbury's 1 station
Unleaded at Sainsbury's Thornhill: 170.9p, 2.5 mi
Diesel at Sainsbury's Thornhill: 198.9p (last reported 14 days ago), 2.5 mi
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Texaco 2 stations
Unleaded at Texaco Three Arches Services: 173.9p (last reported 5 days ago), 4.0 mi
No current diesel price.
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Independent and unbranded 3 stations
Loyalty schemes
- Morrisons More members collect points on fuel by scanning their More Card or the Morrisons More app when they pay.
- Tesco Clubcard holders collect points on fuel by scanning their card or the Tesco app when they pay, at Tesco petrol stations and at Esso sites with a Tesco Express.
- Asda Rewards members get fuel coupons in the app from time to time. Scan the Rewards barcode, then the coupon, at the pump or kiosk of a participating forecourt.
- Participating Esso forecourts give Nectar points on fuel when you scan a Nectar card or pay in the Esso App; Esso sites with a Tesco Express shop take Tesco Clubcard instead.
- BPme Rewards members collect points on fuel at participating BP forecourts by scanning the card in the BPme app at the till, or by paying for fuel in the app.
- Sainsbury's petrol stations give Nectar points on fuel when you scan a Nectar card or the Nectar app, in the kiosk or at the pump.
- Texaco Star Rewards members collect points at participating forecourts by handing over their card at the till, or tapping the key fob or app card on the reader.
Schemes change and not every forecourt takes part, so check with the retailer before you count on one.
Common questions about fuel in Caerphilly/Caerffil
How much is unleaded in Caerphilly/Caerffil?
The cheapest unleaded in Caerphilly/Caerffil is 167.9p a litre at MFG Morrisons Caerphilly. That is 3.8p below the UK average. Across the stations within 5 miles, unleaded runs from 167.9p to 178.9p a litre.
How much is diesel in Caerphilly/Caerffil?
The cheapest diesel in Caerphilly/Caerffil is 194.9p a litre at Hengoed Ystrad Mynach Superstore (last reported 18 days ago). That is 3.5p below the UK average. Across the stations within 5 miles, diesel runs from 194.9p to 203.9p a litre.
Which station is cheapest for unleaded in Caerphilly/Caerffil?
Right now MFG Morrisons Caerphilly has the cheapest unleaded in Caerphilly/Caerffil, at 167.9p a litre. It is in central Caerphilly/Caerffil, 0.6 miles from the centre.
Are there 24-hour petrol stations in Caerphilly/Caerffil?
Yes. 10 of the stations within 5 miles are open 24 hours. The cheapest 24-hour unleaded is at MFG Caerphilly, 1.2 miles from the centre, for 167.9p a litre. The cheapest 24-hour diesel is at Hengoed Ystrad Mynach Superstore, 5.0 miles from the centre, for 194.9p a litre (last reported 18 days ago).
Where can I get AdBlue at the pump in Caerphilly/Caerffil?
4 of the stations within 5 miles have AdBlue at the pump. The cheapest diesel among them is at Rontec Penrhos, 1.4 miles from the centre, for 198.9p a litre (last reported 3 days ago).
Are prices in Caerphilly/Caerffil going up or down?
Unleaded in Caerphilly/Caerffil is down 1.3p this week and down 3.3p over 30 days. Diesel in Caerphilly/Caerffil is down 0.1p this week and down 1.6p over 30 days. Figures to 2 November 2026.