Fuel Price Check Analysis – Week of April 28, 2026 Petrol (E10) 167.4p 1.3% (+2.1p) 7d avg: 166.3p Slight rise | Super Unleaded (E5) 185.3p 0.9% (+1.6p) 7d avg: 184.4p Slight rise | Diesel (B7) 192.4p 1.7% (+3.2p) 7d avg: 190.7p Hold off if you can | Super Diesel (SDV) 213.3p 1.8% (+3.8p) 7d avg: 211p Hold off if you can |
Fuel Price Check Analysis – Week of April 28, 2026 Petrol (E10) 167.4p 1.3% (+2.1p) 7d avg: 166.3p Slight rise | Super Unleaded (E5) 185.3p 0.9% (+1.6p) 7d avg: 184.4p Slight rise | Diesel (B7) 192.4p 1.7% (+3.2p) 7d avg: 190.7p Hold off if you can | Super Diesel (SDV) 213.3p 1.8% (+3.8p) 7d avg: 211p Hold off if you can |

Today’s Cheapest Petrol and Diesel in Barnes, Castelnau: The Full Report

A comprehensive breakdown of fuel prices in the Barnes, Castelnau 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, 17th September 2026 at 22:16
1
Local Stations
12
Brands (SW Area)
0.0p
Max Price Gap
#108
UK Ranking REGION
Key Takeaways
  • Cheapest petrol: 169.9p at TESCO
  • Potential savings: Up to £0.00 per tank
  • 45 stations tracked across 12 brands
  • Prices have decreased 2.7p this week

Motorists in Barnes, Castelnau are currently paying above-average prices compared to other UK regions. Over the past week, E10 petrol prices in SW have Decreased 2.7p (1.5%)

According to our latest data feed from the Competition and Markets Authority (CMA), selecting the right forecourt in Barnes, Castelnau could save you up to 0.0p per litre. For an average 55-litre family car, that's a saving of over £0.00 on a single tank.

Market Competition: Moderate competition

Competition Level: High

Barnes, Castelnau has 45 active fuel stations across 12 different brands, with a brand diversity index of 0.27 - indicating healthy market competition.

The price spread between cheapest and average stations is 16.5p, revealing significant price differences - shop around to save!

Today's Best Value

Cheapest E10 Petrol in London, Barnes, Castelnau:
169.9p at TESCO, 159 CASTELNAU, LONDON, ENGLAND

Cheapest B7 Diesel in London, Barnes, Castelnau:
191.9p at TESCO, 159 CASTELNAU, LONDON, ENGLAND

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

Fuel Type Availability

E10
Unleaded (E10)
Widely available
44 / 45 Stations (97.8%)
E5
Super Unleaded (E5)
Widely available
42 / 45 Stations (93.3%)
B7
Diesel (B7)
Widely available
44 / 45 Stations (97.8%)
SDV
Premium Diesel
Moderate availability
29 / 45 Stations (64.4%)

Top 1 cheapest petrol stations (E10)

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

PETROL LEADERBOARD Live Data
1
TESCO
159 CASTELNAU, LONDON, ENGLAND , SW13 9EW
169.9p
BEST PRICE

Top 1 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 Barnes, Castelnau area.

DIESEL LEADERBOARD Live Data
1
TESCO
159 CASTELNAU, LONDON, ENGLAND , SW13 9EW
191.9p
BEST PRICE

How to save on fuel in Barnes, Castelnau

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 Barnes, Castelnau.

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

"Barnes, Castelnau benefits from strong market competition with 12 brands operating across 45 stations. The recent 2.7p price drop presents excellent buying opportunities, while however, prices rank in the bottom 8% nationally, suggesting room for improvement."

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

Frequently Asked Questions

As of September 17, 2026, the cheapest station is TESCO at 169.9p per litre.

There is currently a 0.0p difference between the cheapest and most expensive stations in Barnes, Castelnau. For a standard family car, this equals a saving of £0.00 per tank.

Not currently. An independent or oil-company brand (TESCO) 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: 22:49, 17 Sep 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 Barnes, Castelnau was last synchronized at 22:16 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) 2.7p
Was: 173.1p → Now: 170.4p
Diesel (B7) 1.5p
Was: 194.5p → Now: 196p

Visualise the Savings

View 2 local stations on our interactive map.

Open Live Map
Popular Brands in Barnes, Castelnau
TESCO