Fuel Price Check Analysis – Week of April 28, 2026 Petrol (E10) 156.8p 0% (0p) 7d avg: 156.8p Prices stable | Super Unleaded (E5) 174.1p 0% (0p) 7d avg: 174.1p Prices stable | Diesel (B7) 188p 0.4% (-0.7p) 7d avg: 188.2p Prices stable | Super Diesel (SDV) 208.1p 0.2% (-0.5p) 7d avg: 208.2p Prices stable |
Fuel Price Check Analysis – Week of April 28, 2026 Petrol (E10) 156.8p 0% (0p) 7d avg: 156.8p Prices stable | Super Unleaded (E5) 174.1p 0% (0p) 7d avg: 174.1p Prices stable | Diesel (B7) 188p 0.4% (-0.7p) 7d avg: 188.2p Prices stable | Super Diesel (SDV) 208.1p 0.2% (-0.5p) 7d avg: 208.2p Prices stable |

Today’s Cheapest Petrol and Diesel in Penzance: The Full Report

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

Jonathan Mathews
Automotive Data Analyst
10+ years automotive industry
Last Updated Monday, 4th May 2026 at 02:55
3
Local Stations
27
Brands (TR Area)
2.0p
Max Price Gap
#34
UK Ranking REGION
Key Takeaways
  • Cheapest petrol: 152.9p at SAINSBURY'S
  • Potential savings: Up to £1.10 per tank
  • 46 stations tracked across 27 brands
  • Prices have decreased 0.9p this week

Motorists in Penzance are currently experiencing competitive fuel prices, with average costs below the national median. Over the past week, E10 petrol prices in TR have Decreased 0.9p (0.6%)

According to our latest data feed from the Competition and Markets Authority (CMA), selecting the right forecourt in Penzance could save you up to 2.0p per litre. For an average 55-litre family car, that's a saving of over £1.10 on a single tank.

Market Competition: Moderate competition

Competition Level: High

Penzance has 46 active fuel stations across 27 different brands, with a brand diversity index of 0.59 - indicating healthy market competition.

The price spread between cheapest and average stations is 21.3p, revealing significant price differences - shop around to save!

Today's Best Value

Cheapest E10 Petrol in Penzance, Penzance:
152.9p at SAINSBURY'S, EASTERN GREEN, PENZANCE, CORNWALL, ENGLAND

Cheapest B7 Diesel in Penzance, Penzance:
187.9p at SAINSBURY'S, EASTERN GREEN, PENZANCE, CORNWALL, ENGLAND

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

Fuel Type Availability

E10
Unleaded (E10)
Widely available
45 / 46 Stations (97.8%)
E5
Super Unleaded (E5)
Moderate availability
32 / 46 Stations (69.6%)
B7
Diesel (B7)
Widely available
46 / 46 Stations (100%)
SDV
Premium Diesel
Moderate availability
19 / 46 Stations (41.3%)

Top 3 cheapest petrol stations (E10)

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

PETROL LEADERBOARD Live Data
1
SAINSBURY'S
EASTERN GREEN, PENZANCE, CORNWALL, ENGLAND , TR18 3AP
152.9p
BEST PRICE
2
TESCO
TESCO SERVICE STATION, BRANWELL LANE, PENZANCE, ENGLAND , TR18 3DU
152.9p
+0.0p
3
ASDA EXPRESS
WESTERN PROMENADE ROAD, WHERRYTOWN, PENZANCE, ENGLAND , TR18 4NP
154.9p
+2.0p

Top 3 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 Penzance area.

DIESEL LEADERBOARD Live Data
1
SAINSBURY'S
EASTERN GREEN, PENZANCE, CORNWALL, ENGLAND , TR18 3AP
187.9p
BEST PRICE
2
TESCO
TESCO SERVICE STATION, BRANWELL LANE, PENZANCE, ENGLAND , TR18 3DU
187.9p
+0.0p
3
ASDA EXPRESS
WESTERN PROMENADE ROAD, WHERRYTOWN, PENZANCE, ENGLAND , TR18 4NP
189.9p
+2.0p

How to save on fuel in Penzance

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 Penzance.

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

"Penzance benefits from strong market competition with 27 brands operating across 46 stations. With a 21.3p price gap between cheapest and average stations, careful selection could save £11.72 per tank, while interestingly, SAINSBURY'S is beating supermarkets on price today."

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

Frequently Asked Questions

As of May 4, 2026, the cheapest station is SAINSBURY'S at 152.9p per litre.

There is currently a 2.0p difference between the cheapest and most expensive stations in Penzance. For a standard family car, this equals a saving of £1.10 per tank.

Not currently. An independent or oil-company brand (SAINSBURY'S) 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: 03:07, 04 May 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 Penzance was last synchronized at 02:55 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) 0.9p
Was: 157.1p → Now: 156.2p
Diesel (B7) 2.8p
Was: 190.3p → Now: 187.5p
Popular Brands in Penzance