Murco
Derwydd Services Fuel Prices, Carmarthen
Derwydd Garage, Cynwyl Elfed, Carmarthen, Sa33 6tp, Carmarthen, SA33 6TP
Last confirmed 3d agoGet Directions
Unleaded
155.9p/litre
Reported 13 May at 11:29
Super UnleadedLowest nearby
168.9p/litre
Reported 22 Apr at 06:24
Diesel
181.9p/litre
Reported 13 May at 11:29
3rd cheapest unleaded within 10 mi5th cheapest diesel within 10 mi3 fuel types
Price History
Price History
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How Derwydd Services compares
Unleaded (E10) here is in line with the Carmarthen average (156.2p across 7 stations), 1.7p cheaper than the Murco UK average (157.6p) and 2.3p cheaper than the UK national average of 158.2p.
| Benchmark | Unleaded (E10) | Diesel (B7) |
|---|---|---|
| This station | 155.9p | 181.9p |
| Carmarthen 7 stations | 156.2pon avg | 182.2pon avg |
| Murco UK avg · 7 stations | 157.6p1.7p cheaper | 189.5p |
Cheaper Alternatives Nearby
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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 155.9p per litre.
Current fuel prices
Derwydd Services currently sells 3 fuel types: Super Unleaded at 168.9p per litre, Unleaded at 155.9p per litre and Diesel (B7) at 181.9p per litre. Prices were last updated on 22 April 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 3rd cheapest out of 12 stations within 10 miles. For diesel, it ranks 5th cheapest out of 12 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 168.9p per litre, Unleaded at 155.9p per litre, Diesel at 181.9p 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 155.9p is in line with the Carmarthen average (156.2p), 1.7p cheaper than the Murco UK average (157.6p), 2.3p cheaper than the UK national average (158.2p). Diesel (B7) at 181.9p is in line with the Carmarthen average (182.2p), 7.6p cheaper than the Murco UK average (189.5p), 5.0p cheaper than the UK national average (186.9p).
When were prices last updated at Derwydd Services?
The station last reported new prices on Wednesday, 13 May 2026 at 11:29. 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.
