Cheapest Fuel in Chepstow/Cas-Gwent
Monmouthshire · 7 stations within 5 miles
Prices may have moved since, so check before you travel.
Stations near Chepstow/Cas-Gwent
1 of 6 unleaded prices was updated in the last 48 hours. 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 |
|---|---|---|---|
| 165.7p | 198.7p | 4.8 mi | |
| 167.7p | 196.7p | 1.3 mi | |
| 167.9p | 196.9p | 0.2 mi | |
| 167.9p | 198.9p | 0.5 mi | |
| 167.9p | 196.9p | 1.7 mi | |
| 194.9p | 219.9p | 3.3 mi | |
| — | 199.9poldLast reported 39 days ago | 4.7 mi |
old: last reported more than a month ago.
Premium fuel and the price spread in Chepstow/Cas-Gwent
How far apart prices are
Cheapest to dearest is 29.2p a litre. Choosing well saves £16.06 on a 55 litre fill.
Cheapest to dearest is 23.2p a litre. Choosing well saves £12.76 on a 55 litre fill.
EG Chepstow 1.3 mi
Premium grades
EG Chepstow, 1.3 mi (last reported 3 days ago).
Super unleaded costs 16.0p a litre more than unleaded here.
EG Chepstow, 1.3 mi (last reported 12 days ago).
Super diesel costs 14.2p a litre more than diesel here.
Prices in Chepstow/Cas-Gwent over time
Average unleaded price in Chepstow/Cas-Gwent 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 Chepstow/Cas-Gwent is down 2.8p this week. It is down 6.3p over 30 days and up 9.3p over 90 days.
Diesel in Chepstow/Cas-Gwent is down 0.5p this week. It is down 2.2p over 30 days and up 16.0p over 90 days.
Most often cheapest
EG Chepstow has been the cheapest diesel in Chepstow/Cas-Gwent on 30 of the last 90 days.
Worth a drive from Chepstow/Cas-Gwent?
Prices in the nearest towns, measured from the town centre, after the fuel the round trip itself burns at typical mpg.
No town near Chepstow/Cas-Gwent beats it on unleaded once you count the drive.
No town near Chepstow/Cas-Gwent beats it on diesel once you count the drive.
Motorway prices near Chepstow/Cas-Gwent
Services on the M48 near Chepstow/Cas-Gwent charge 29.2p a litre more for unleaded than the cheapest in town: Severn View Service Area at 194.9p, 3.3 mi away.
Services on the M48 near Chepstow/Cas-Gwent charge 23.2p a litre more for diesel than the cheapest in town: Severn View Service Area at 219.9p, 3.3 mi away.
Open 24 hours in Chepstow/Cas-Gwent
5 of the stations within 5 miles are open around the clock.
The cheapest 24-hour unleaded is Caldecot Fuel Express Automat at 165.7p, 4.8 mi.
The cheapest 24-hour diesel is EG Chepstow at 196.7p (last reported 12 days ago), 1.3 mi.
Facilities in Chepstow/Cas-Gwent
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 2 stations
Cheapest: EG Chepstow, 196.7p (last reported 12 days ago), 1.3 mi
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AdBlue (packaged) 5 stations
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Car wash 1 station
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Toilets 4 stations
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Air pump / screenwash 6 stations
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Water filling 6 stations
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 Chepstow/Cas-Gwent.
- Caldecot Fuel Express Automat: Aldi Stores Ltd, 0.0 mi away, rated 5 for food hygiene (inspected Oct 2024). Check opening hours
- EG Chepstow: OCS Food Company Ltd, 0.2 mi away, rated 5 for food hygiene (inspected Oct 2025). Check opening hours
- Chepstow Superstore: Tesco Stores Ltd on site, rated 5 for food hygiene (inspected Mar 2026).
Hygiene ratings: Food Standards Agency. About this data.
Brands in Chepstow/Cas-Gwent
1 of 7 stations is a supermarket forecourt.
Sorted by average unleaded
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Gulf 1 station
Unleaded at Caldecot Fuel Express Automat: 165.7p, 4.8 mi
Diesel at Caldecot Fuel Express Automat: 198.7p (last reported 11 days ago), 4.8 mi
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EG On The Move 1 station
Unleaded at EG Chepstow: 167.7p (last reported 3 days ago), 1.3 mi
Diesel at EG Chepstow: 196.7p (last reported 12 days ago), 1.3 mi
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Esso 1 station
Unleaded at MFG Chepstow: 167.9p (last reported 5 days ago), 0.5 mi
Diesel at MFG Chepstow: 198.9p (last reported 18 days ago), 0.5 mi
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Tesco 1 station
Unleaded at Chepstow Superstore: 167.9p (last reported 4 days ago), 0.2 mi
Diesel at Chepstow Superstore: 196.9p (last reported 12 days ago), 0.2 mi
-
Valero 1 station
Unleaded at Tgc - Pwllmeyric: 167.9p (last reported 5 days ago), 1.7 mi
Diesel at Tgc - Pwllmeyric: 196.9p (last reported 13 days ago), 1.7 mi
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BP 1 station
Unleaded at Severn View Service Area: 194.9p, 3.3 mi
Diesel at Severn View Service Area: 219.9p, 3.3 mi
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Independent and unbranded 1 station
Loyalty schemes
- 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.
- 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.
- 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.
Schemes change and not every forecourt takes part, so check with the retailer before you count on one.
Common questions about fuel in Chepstow/Cas-Gwent
How much is unleaded in Chepstow/Cas-Gwent?
The cheapest unleaded in Chepstow/Cas-Gwent is 165.7p a litre at Caldecot Fuel Express Automat. That is 6.0p below the UK average. Across the stations within 5 miles, unleaded runs from 165.7p to 194.9p a litre.
How much is diesel in Chepstow/Cas-Gwent?
The cheapest diesel in Chepstow/Cas-Gwent is 196.7p a litre at EG Chepstow (last reported 12 days ago). That is 1.7p below the UK average. Across the stations within 5 miles, diesel runs from 196.7p to 219.9p a litre.
Which station is cheapest for unleaded in Chepstow/Cas-Gwent?
Right now Caldecot Fuel Express Automat has the cheapest unleaded in Chepstow/Cas-Gwent, at 165.7p a litre. It is 4.8 miles from the centre.
Is fuel cheaper in Chepstow/Cas-Gwent than Thornbury?
Unleaded is 6.2p a litre cheaper in Chepstow/Cas-Gwent than in Thornbury. The cheapest in Chepstow/Cas-Gwent is 165.7p at Caldecot Fuel Express Automat; in Thornbury it is 171.9p at MFG Almondsbury (last reported 4 days ago). Diesel is 0.8p a litre dearer in Chepstow/Cas-Gwent than in Thornbury. The cheapest in Chepstow/Cas-Gwent is 196.7p at EG Chepstow (last reported 12 days ago); in Thornbury it is 195.9p at Thornbury Superstore (last reported 23 days ago).
Are there 24-hour petrol stations in Chepstow/Cas-Gwent?
Yes. 5 of the stations within 5 miles are open 24 hours. The cheapest 24-hour unleaded is at Caldecot Fuel Express Automat, 4.8 miles from the centre, for 165.7p a litre. The cheapest 24-hour diesel is at EG Chepstow, 1.3 miles from the centre, for 196.7p a litre (last reported 12 days ago).
Where can I get AdBlue at the pump in Chepstow/Cas-Gwent?
2 of the stations within 5 miles have AdBlue at the pump. The cheapest diesel among them is at EG Chepstow, 1.3 miles from the centre, for 196.7p a litre (last reported 12 days ago).