Today’s Cheapest Petrol and Diesel in Barry, Penarth: The Full Report

A comprehensive breakdown of fuel prices in the Barry, Penarth area. We analyze the market data to help you save on your next fill-up.

Jonathan Mathews
Jonathan Mathews
Automotive Data Analyst
10+ years automotive industry
Last Updated Tuesday, 3rd March 2026 at 06:15
8
Local Stations
23
Brands (CF Area)
6.2p
Max Price Gap
#23
UK Ranking REGION
Key Takeaways
  • Cheapest petrol: 129.7p at ASDA
  • Potential savings: Up to £3.41 per tank
  • 96 stations tracked across 23 brands

Motorists in Barry, Penarth are currently enjoying some of the lowest fuel prices in the UK, ranking in the top 19% nationally. Over the past week, E10 petrol prices in CF have Increased 1.2p (0.9%)

According to our latest data feed from the Competition and Markets Authority (CMA), selecting the right forecourt in Barry, Penarth could save you up to 6.2p per litre. For an average 55-litre family car, that's a saving of over £3.41 on a single tank.

Market Competition: Moderate competition

Competition Level: High

Barry, Penarth has 96 active fuel stations across 23 different brands, with a brand diversity index of 0.24 - indicating healthy market competition.

The price spread between cheapest and average stations is 7.7p, revealing significant price differences - shop around to save!

Today's Best Value

Cheapest E10 Petrol in , Barry, Penarth:
129.7p at ASDA, FFORDD Y MILENIWM, BARRY, WALES

Cheapest B7 Diesel in , Barry, Penarth:
136.7p at ASDA, FFORDD Y MILENIWM, BARRY, WALES

Surprisingly, an independent or branded station (ASDA) has beaten the supermarkets to the top spot today.

Fuel Type Availability

E10
Unleaded (E10)
Widely available
94 / 96 Stations (97.9%)
E5
Super Unleaded (E5)
Moderate availability
67 / 96 Stations (69.8%)
B7
Diesel (B7)
Widely available
94 / 96 Stations (97.9%)
SDV
Premium Diesel
Moderate availability
42 / 96 Stations (43.8%)

Top 8 cheapest petrol stations (E10)

Here is the verified list of the most affordable places to buy standard Unleaded petrol in Barry, Penarth today.

PETROL LEADERBOARD Live Data
1
ASDA
FFORDD Y MILENIWM, BARRY, WALES , CF62 5AT
129.7p
BEST PRICE
2
TESCO
TESCO STORES LTD, TERRA NOVA WAY, PENARTH, WALES , CF64 1SA
129.9p
+0.2p
3
MORRISONS
HEOL CEINIOG, BARRY, SOUTH GLAMORGAN, WALES , CF63 4BA
132.9p
+3.2p
4
TEXACO
P W MILLAR LTD, 148, PORT ROAD EAST, BARRY, CF62 9PZ, BARRY, Wales , CF62 9PZ
132.9p
+3.2p
5
Cardiff Road Service Station
Cardiff Road Service Station, Cardiff Road, Barry , CF63 2BE
134.9p
+5.2p
6
ESSO
ST ATHAN, BARRY, SOUTH GLAMORGAN, WALES , CF62 4JA
135.9p
+6.2p
7
SHELL
PONTYPRIDD ROAD, BARRY, MID GLAMORGAN, UNITED KINGDOM , CF62 7LT
135.9p
+6.2p
8
Texaco
TEXACO DINAS POWYS, 65, CARDIFF ROAD, DINAS POWYS, CF64 4JS, DINAS POWYS, Wales , CF64 4JS
135.9p
+6.2p

Top 8 cheapest diesel stations (B7)

For diesel drivers, the price variance can often be even higher. The following stations are currently offering the best value for B7 Diesel in the Barry, Penarth area.

DIESEL LEADERBOARD Live Data
1
ASDA
FFORDD Y MILENIWM, BARRY, WALES , CF62 5AT
136.7p
BEST PRICE
2
TESCO
TESCO STORES LTD, TERRA NOVA WAY, PENARTH, WALES , CF64 1SA
136.9p
+0.2p
3
TEXACO
P W MILLAR LTD, 148, PORT ROAD EAST, BARRY, CF62 9PZ, BARRY, Wales , CF62 9PZ
138.9p
+2.2p
4
MORRISONS
HEOL CEINIOG, BARRY, SOUTH GLAMORGAN, WALES , CF63 4BA
139.9p
+3.2p
5
Cardiff Road Service Station
Cardiff Road Service Station, Cardiff Road, Barry , CF63 2BE
139.9p
+3.2p
6
ESSO
ST ATHAN, BARRY, SOUTH GLAMORGAN, WALES , CF62 4JA
140.9p
+4.2p
7
SHELL
PONTYPRIDD ROAD, BARRY, MID GLAMORGAN, UNITED KINGDOM , CF62 7LT
140.9p
+4.2p
8
Texaco
TEXACO DINAS POWYS, 65, CARDIFF ROAD, DINAS POWYS, CF64 4JS, DINAS POWYS, Wales , CF64 4JS
142.9p
+6.2p

How to save on fuel in Barry, Penarth

While choosing the cheapest station is the easiest way to save, changing your driving habits can also make a significant difference to your monthly spend.

Drive Smoothly

Aggressive acceleration and heavy braking can increase fuel consumption by up to 40% in stop-and-go traffic around Barry, Penarth.

Reduce Weight

Carrying an extra 50kg in your boot increases fuel consumption by 1-2%. Clear out unnecessary items.

Market Analyst Commentary
CFP Research Team

"Barry, Penarth benefits from strong market competition with 23 brands operating across 96 stations. Ranking in the top 19% nationally makes this an excellent area for fuel savings, while with a 7.7p price gap between cheapest and average stations, careful selection could save £4.24 per tank."

For more detailed savings, explore our Interactive Fuel Map to scan the entire region visually.

Frequently Asked Questions

As of March 3, 2026, the cheapest station is ASDA at 129.7p per litre.

There is currently a 6.2p difference between the cheapest and most expensive stations in Barry, Penarth. For a standard family car, this equals a saving of £3.41 per tank.

Not currently. An independent or oil-company brand (ASDA) is actually cheaper than the local supermarkets today.

Our Analysis Methodology

Data Collection
  • Direct feed from UK Government CMA API
  • Updated every 30 minutes via automated polling
  • Zero user-submitted prices (prevents manipulation)
  • Last sync: 06:54, 03 Mar 2026
Quality Assurance
  • Automated anomaly detection for pricing errors
  • Cross-referenced against regional averages
  • Outliers flagged for manual review
  • Historical data tracked for trend validation
Verified Data Source: All prices displayed on this page are sourced directly from the Competition and Markets Authority's official fuel price transparency scheme. We do not accept payments from retailers to alter rankings or display preferential pricing.
Data Accuracy & Methodology

Source: We retrieve real-time pricing data directly from the UK Government CMA Open Data Scheme.

Frequency: Data for Barry, Penarth was last synchronized at 06:15 today. We update our database every 4 hours to ensure accuracy.

Disclaimer: While we strive for 100% accuracy, forecourt prices can change instantly. The prices listed above were correct at the time of our last server sync.

Editorial Policy

CheckFuelPrices is independent. We do not accept payment from fuel brands to alter rankings. Read our full policy.

📈 7-Day Price Movement
Petrol (E10) 1.2p
Was: 131.4p → Now: 132.6p
Diesel (B7) 1.6p
Was: 139.1p → Now: 140.7p

Visualise the Savings

View 16 local stations on our interactive map.

Open Live Map
Popular Brands in Barry, Penarth
ASDA TESCO MORRISONS TEXACO Cardiff Road Service Station