Murco
Derwydd Services Fuel Prices, Carmarthen
Derwydd Garage, Cynwyl Elfed, Carmarthen, Sa33 6tp, Carmarthen, SA33 6TP
Last confirmed 10d agoGet Directions
Unleaded
149.9p/litre
Reported 20 Jun at 07:40
Super Unleaded
161.9p/litre
Reported 20 Jun at 07:45
Diesel
161.9p/litre
Reported 20 Jun at 07:40
Cheaper fuel available nearby
Within 10 miles, updated within 5 days4th cheapest unleaded within 10 mi7th cheapest diesel within 10 mi3 fuel types
Price History
Price History
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How Derwydd Services compares
Unleaded (E10) here is 0.6p cheaper than the Carmarthen average (150.5p across 7 stations), 5.3p cheaper than the Murco UK average (155.2p) and 2.0p cheaper than the UK national average of 151.9p.
| Benchmark | Unleaded (E10) | Diesel (B7) |
|---|---|---|
| This station | 149.9p | 161.9p |
| Carmarthen 7 stations | 150.5p0.6p cheaper | 163.0p1.1p cheaper |
| Murco UK avg · 7 stations | 155.2p5.3p cheaper | 176.9p |
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About Derwydd Services
Derwydd Services is a Murco petrol station located at Derwydd Garage, Cynwyl Elfed, Carmarthen, Sa33 6tp, Carmarthen, SA33 6TP in Carmarthen. The cheapest fuel currently available is Unleaded at 149.9p per litre.
Current fuel prices
Derwydd Services currently sells 3 fuel types: Super Unleaded at 161.9p per litre, Unleaded at 149.9p per litre and Diesel (B7) at 161.9p per litre. Prices were last updated on 20 June 2026.
Opening hours: Monday to Friday 06:30 to 20:00, Saturday 06:30 to 20:00, Sunday 09:00 to 18:00.
Facilities available at this station include adblue packaged, toilets.
For unleaded petrol, this station ranks 4th cheapest out of 9 stations within 10 miles. For diesel, it ranks 7th cheapest out of 9 nearby stations.
Nearby petrol stations include Gwalia Garage (3.8 miles), Tanerdy Garage (4.7 miles) and Cks Supermarket (4.7 miles).
Fuel prices at this station are updated regularly via the UK Government Fuel Finder API under The Motor Fuel Price (Open Data) Regulations 2025.
Frequently Asked Questions
What are the current fuel prices at Derwydd Services?
Derwydd Services is currently selling Super Unleaded at 161.9p per litre, Unleaded at 149.9p per litre, Diesel at 161.9p per litre. Prices are sourced from the UK Government's mandatory Fuel Finder reporting scheme and refresh every 5 minutes.
Is Derwydd Services cheap compared to other Carmarthen stations?
Unleaded (E10) at 149.9p is 0.6p cheaper than the Carmarthen average (150.5p), 5.3p cheaper than the Murco UK average (155.2p), 2.0p cheaper than the UK national average (151.9p). Diesel (B7) at 161.9p is 1.1p cheaper than the Carmarthen average (163.0p), 15.0p cheaper than the Murco UK average (176.9p), 6.6p cheaper than the UK national average (168.5p).
When were prices last updated at Derwydd Services?
The station last reported new prices on Saturday, 20 June 2026 at 07:40. PetrolFinder.uk checks for new data every 5 minutes.
What amenities are available at Derwydd Services?
Derwydd Services offers the following facilities: Adblue Packaged, Toilets. Visit the station page above for full details.
