Fuel Price Check Analysis – Week of April 28, 2026 Petrol (E10) 155.4p 0.6% (-1p) 7d avg: 156p Prices dipping | Super Unleaded (E5) 173p 0.9% (-1.6p) 7d avg: 173.8p Prices dipping | Diesel (B7) 178.1p 1.3% (-2.3p) 7d avg: 179.4p Prices dipping | Super Diesel (SDV) 197.7p 1.4% (-2.8p) 7d avg: 199.2p Good time to fill up |
Fuel Price Check Analysis – Week of April 28, 2026 Petrol (E10) 155.4p 0.6% (-1p) 7d avg: 156p Prices dipping | Super Unleaded (E5) 173p 0.9% (-1.6p) 7d avg: 173.8p Prices dipping | Diesel (B7) 178.1p 1.3% (-2.3p) 7d avg: 179.4p Prices dipping | Super Diesel (SDV) 197.7p 1.4% (-2.8p) 7d avg: 199.2p Good time to fill up |

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

A comprehensive breakdown of fuel prices in the Corsham 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 Thursday, 18th June 2026 at 23:15
2
Local Stations
27
Brands (SN Area)
7.0p
Max Price Gap
#59
UK Ranking REGION
Key Takeaways
  • Cheapest petrol: 152.9p at Ashley Garage LTD
  • Potential savings: Up to £3.85 per tank
  • 65 stations tracked across 27 brands
  • Prices have decreased 1p this week

Motorists in Corsham are currently experiencing competitive fuel prices, with average costs below the national median. Over the past week, E10 petrol prices in SN have Decreased 1p (0.6%)

According to our latest data feed from the Competition and Markets Authority (CMA), selecting the right forecourt in Corsham could save you up to 7.0p per litre. For an average 55-litre family car, that's a saving of over £3.85 on a single tank.

Market Competition: Moderate competition

Competition Level: High

Corsham has 65 active fuel stations across 27 different brands, with a brand diversity index of 0.42 - indicating healthy market competition.

The price spread between cheapest and average stations is 16.1p, revealing significant price differences - shop around to save!

Today's Best Value

Cheapest E10 Petrol in Corsham, Corsham:
152.9p at Ashley Garage LTD, ASHLEY GARAGE, BATH ROAD, BOX, CORSHAM, England

Cheapest B7 Diesel in Corsham, Corsham:
173.9p at Ashley Garage LTD, ASHLEY GARAGE, BATH ROAD, BOX, CORSHAM, England

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

Fuel Type Availability

E10
Unleaded (E10)
Widely available
63 / 65 Stations (96.9%)
E5
Super Unleaded (E5)
Widely available
57 / 65 Stations (87.7%)
B7
Diesel (B7)
Widely available
64 / 65 Stations (98.5%)
SDV
Premium Diesel
Moderate availability
43 / 65 Stations (66.2%)

Top 2 cheapest petrol stations (E10)

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

PETROL LEADERBOARD Live Data
1
Ashley Garage LTD
ASHLEY GARAGE, BATH ROAD, BOX, CORSHAM, England , SN13 8AA
152.9p
BEST PRICE
2
TEXACO
101 PICKWICK ROAD, CORSHAM, ENGLAND , SN13 9DA
159.9p
+7.0p

Top 2 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 Corsham area.

DIESEL LEADERBOARD Live Data
1
Ashley Garage LTD
ASHLEY GARAGE, BATH ROAD, BOX, CORSHAM, England , SN13 8AA
173.9p
BEST PRICE
2
TEXACO
101 PICKWICK ROAD, CORSHAM, ENGLAND , SN13 9DA
183.9p
+10.0p

How to save on fuel in Corsham

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 Corsham.

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

"Corsham benefits from strong market competition with 27 brands operating across 65 stations. With a 16.1p price gap between cheapest and average stations, careful selection could save £8.86 per tank, while interestingly, Ashley Garage LTD 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 June 18, 2026, the cheapest station is Ashley Garage LTD at 152.9p per litre.

There is currently a 7.0p difference between the cheapest and most expensive stations in Corsham. For a standard family car, this equals a saving of £3.85 per tank.

Not currently. An independent or oil-company brand (Ashley Garage LTD) 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: 23:35, 18 Jun 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 Corsham was last synchronized at 23:15 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) 1p
Was: 157p → Now: 156p
Diesel (B7) 0.7p
Was: 179.8p → Now: 180.5p

Visualise the Savings

View 4 local stations on our interactive map.

Open Live Map
Popular Brands in Corsham
Ashley Garage LTD TEXACO