Cheapest unleaded
162.9p
Fuel prices in Merthyr Tydfil today, 4 November 2026
Pump prices at 36 petrol stations within 10 miles of Merthyr Tydfil town centre, sorted cheapest first. 1 has a price more than 30 days old, so it's listed last with the date of the last report. Prices come from the official retailer price data published under the government's fuel price transparency rules, updated daily from the official Fuel Finder data.
Cheapest diesel
193.7p
Avg unleaded (Merthyr Tydfil)
168.6p
Avg diesel (Merthyr Tydfil)
197.6p
Cheapest and average prices from the 35 stations reporting in the 30 days to 4 November 2026.
Cheapest fuel in Merthyr Tydfil: quick answers
Where is the cheapest petrol in Merthyr Tydfil today?
162.9p a litre for unleaded (E10) at Central garage, Abertillery Road, Blaenau, Abertyleri, 9.5 miles from the town centre. That is 5.7p under the Merthyr Tydfil average of 168.6p, or about £2.85 on a 50-litre fill.
Where is the cheapest diesel in Merthyr Tydfil?
193.7p a litre for diesel (B7) at Asda, Colliers Way, Tonypandy. The Merthyr Tydfil average for diesel is 197.6p.
Is petrol in Merthyr Tydfil dearer than the UK average?
Unleaded in Merthyr Tydfil averages 168.6p today, 2.4p below the UK average of 171.0p across every station in the data. Diesel averages 197.6p, 0.6p below the UK figure of 198.2p.
Which brand is cheapest for petrol in Merthyr Tydfil?
Among brands with 2 or more stations within 10 miles, Valero has the lowest average unleaded price at 166.9p across 4 stations. Texaco is the dearest on average at 171.2p.
How current are these prices?
Prices come from the government's Fuel Finder open data, where forecourts must report any change within 30 minutes. We update our copy from that data every day. The pump totem is still the final word.
Every station near Merthyr Tydfil, cheapest unleaded first
9.5 miCentral garage
Abertillery Road, Blaenau, Abertyleri
NP13 3DN
Car wash · Air
Unleaded162.9p
Diesel194.9p
8.8 miAsda
Colliers Way, Tonypandy
CF40 2JQ
24 hours · Toilets
Unleaded164.7p
Diesel193.7p
3.6 miTesco
Depot Road, Aberdare
CF44 8DL
Car wash · Air · Water · Toilets
Unleaded164.9p
Diesel193.9p
8.3 miTexaco
Ystrad Road, Pentre
CF41 7PN
Price last reported 28 Sept
Car wash · Air · Water
Unleaded164.9p
Diesel197.9p
3.6 miAsda
Riverside Retail Park, Aberdare
CF44 0AH
24 hours · Car wash · Toilets
Unleaded165.7p
Diesel194.7p
9.2 miGulf
Highbank Garage, Fair View, Blackwood
NP12 3NL
Air
Unleaded165.9p
Diesel195.9p
8.1 miValero
Llewelyn Street, Treorchy
CF41 7BW
24 hours · Air · Water
Unleaded165.9p
Diesel198.9p
9.7 miAsda
High Street, Blackwood
NP12 0NT
24 hours · Toilets
Unleaded166.7p
Diesel193.7p
9.6 miValero
North Road, Porth
CF39 9SH
Price last reported 28 Sept
24 hours · Car wash · Air · Water
Unleaded166.9p
Diesel198.9p
8.4 miEsso
Bargoed Service Station, Gwerthonor Place, Gilfach, Bargoed
CF81 8JP
Price last reported 22 Sept
24 hours · Car wash · Air
Unleaded166.9p
Diesel196.9p
7.8 miMorrisons
Angel Way/Station Road, Bargoed Gateway
CF81 8YD
Price last reported 28 Sept
Car wash · Air · LPG
Unleaded166.9p
Diesel193.9p
6.5 miGulf
Cardiff Road, Quakers Yard, Treharris
CF46 5EY
Car wash · Air
Unleaded166.9p
Diesel199.9p
8.0 miValero
Mabon Road, Nelson
CF46 6PE
Price last reported 28 Sept
24 hours · Air · Water
Unleaded166.9p
Diesel198.9p
9.8 miTesco
Tesco Stores Ltd, New Road, Ystrad Mynach, Hengoed
CF82 7DP
24 hours · Car wash · Air · Water · Toilets
Unleaded166.9p
Diesel193.9p
10.0 miGulf
Williams Garage Ltd, Brynhoward Terrace, Oakdale, Blackwood
NP12 0LE
Water
Unleaded167.0p
Diesel197.0p
7.6 miValero
A470 (Northbound), Abercynon
CF45 4YX
Price last reported 28 Sept
24 hours · Air · Water · AdBlue pump
Unleaded167.9p
Diesel199.9p
8.8 miJet
Hilltop Garage, King Street, Brynmawr, Ebbw Vale
NP23 4JD
Air
Unleaded168.7p
Diesel196.7p
9.3 miTexaco
L J Cook & Sons Ltd, Chapel Garage, Blaina Road, Brynmawr, Ebbw Vale
NP23 4PT
Water
Unleaded168.9p
Diesel196.9p
6.2 miGulf
A4048, Sirhowy Bridge, Tredegar
NP22 4XL
24 hours · Car wash · Air
Unleaded168.9p
Diesel198.9p
7.7 miGulf
Bypass Road, Ebbw Vale
NP23 8UW
24 hours · Car wash
Unleaded168.9p
Diesel198.9p
3.7 miBP
New Cardiff Road, Cwmbach, Aberdare
CF44 0AG
Price last reported 15 Sept
24 hours · Car wash · Air · Water · Toilets
Unleaded169.9p
Diesel197.9p
7.6 miTesco
North West Approach, Glynebwy
NP23 6TS
Car wash · Air · Water · Toilets
Unleaded169.9p
Diesel197.9p
7.3 miMorrisons
Beaufort Road, Ebbw Vale
NP23 5WS
Price last reported 28 Sept
Car wash · Air · LPG
Unleaded169.9p
Diesel197.9p
6.5 miEssar Ferndale Service Station
Morris Terrice, North Road, Ferndale
CF43 4ST
Air
Unleaded169.9p
Diesel197.9p
9.9 miTexaco
235 High St, Blackwood
NP2 1AH
24 hours
Unleaded169.9p
Diesel199.9p
3.4 miTexaco
Aberdare Filling Station, Cwmbach New Road, Aberdar
CF44 0PN
Price last reported 25 Sept
Car wash · Air
Unleaded169.9p
Diesel197.9p
4.7 miEsso
Cardiff Road, Mountain Ash
CF45 4HT
24 hours · Air · Water
Unleaded169.9p
Diesel197.9p
0.5 miEg On The Move
3 - 3A Lower High Street, Merthyr Tydfil
CF47 8EB
24 hours · Air · Water
Unleaded169.9p
Diesel196.9p
6.4 miMurco
Main Road, Ynysboeth, Abercynon, Mountain Ash
CF45 4LJ
24 hours · Car wash · Air
Unleaded169.9p
Diesel197.9p
2.2 miAsda
Dowlais Top, Merthyr Tydfil
CF48 2YF
Car wash · Toilets
Unleaded170.9p
Diesel197.9p
4.2 miGulf
7 Victoria Road, Rhymney, Tredegar
NP22 5NU
Price last reported 18 Sept
24 hours · Car wash · Air · Water · Toilets
Unleaded170.9p
Diesel199.9p
9.5 miShell
Tylacelyn Road, Tonypandy
CF40 1JR
Price last reported 20 Sept
24 hours · Air · Water · Toilets
Unleaded171.9p
Diesel198.9p
1.0 miEsso
New Road, Merthyr Tydfil
CF48 3DA
24 hours · Air · Water · Toilets
Unleaded171.9p
Diesel197.9p
2.3 miTexaco
Valley Heights Filling Station, Dowlais, Merthyr Tudful
CF48 2YE
24 hours · Air · Water · Toilets · AdBlue pump · LPG
Unleaded176.9p
Diesel202.9p
5.8 miTexaco
Ambay Service Station, Nantybwch, Tredegar
NP22 3SF
Car wash · Air · Water · Toilets
Unleaded176.9p
Diesel201.9p
9.0 miTexaco
St. Davids Service Station, Pengam Road, Pengam, Blackwood
NP12 3SR
Price last reported 7 Sept
24 hours · Car wash · Water
Unleaded169.9p
Diesel199.9p
Distances measured from Merthyr Tydfil town centre. Data fetched 5 hours ago.
Fuel prices around Merthyr Tydfil: the numbers
Measured across the 35 stations within 10 miles with a price reported in the last 30 days, against every station in the UK data on the same day.
| Unleaded E10 | Diesel B7 | |
|---|---|---|
| Merthyr Tydfil average | 168.6p | 197.6p |
| UK average | 171.0p | 198.2p |
| Merthyr Tydfil against the UK | -2.4p | -0.6p |
| Cheapest station | 162.9p | 193.7p |
| Dearest station | 176.9p | 202.9p |
| Spread, dearest minus cheapest | +14.0p | +9.2p |
| Stations with a price | 35 | 34 |
Brands near Merthyr Tydfil
Brands with 2 or more stations within 10 miles, most stations first. Averages cover the stations in this radius only.
| Brand | Stations | Avg unleaded | Avg diesel |
|---|---|---|---|
| Texaco | 7 | 171.2p | 199.9p |
| Gulf | 6 | 168.1p | 198.4p |
| Asda | 4 | 167.0p | 195.0p |
| Valero | 4 | 166.9p | 199.2p |
| Esso | 3 | 169.6p | 197.6p |
| Tesco | 3 | 167.2p | 195.2p |
| Morrisons | 2 | 168.4p | 195.9p |
How Merthyr Tydfil prices have moved
Daily average over the last 11 days, Merthyr Tydfil against the UK. Unleaded has moved -2.8p and diesel -0.3p since 25 October 2026.
Merthyr Tydfil unleadedMerthyr Tydfil dieselUK unleadedUK diesel
What this covers: 36 stations within 10 miles of the town centre as given in our town list, which can take in neighbouring towns. Averages are a plain mean of reported prices, so one dear motorway forecourt lifts a small town's figure. Stations that have reported nothing for 30 days are listed with their last price but left out of the averages.
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