Today’s Cheapest Petrol and Diesel in Welwyn Garden City: The Full Report

A comprehensive breakdown of fuel prices in the Welwyn Garden City 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 Friday, 6th February 2026 at 02:50
3
Local Stations
12
Brands (AL Area)
3.0p
Max Price Gap
#59
UK Ranking REGION
Key Takeaways
  • Cheapest petrol: 128.9p at Morrisons
  • Potential savings: Up to £1.65 per tank
  • 27 stations tracked across 12 brands

Motorists in Welwyn Garden City are currently experiencing competitive fuel prices, with average costs below the national median. Over the past week, E10 petrol prices in AL have Remained stable

According to our latest data feed from the Competition and Markets Authority (CMA), selecting the right forecourt in Welwyn Garden City could save you up to 3.0p per litre. For an average 55-litre family car, that's a saving of over £1.65 on a single tank.

Market Competition: Moderate competition

Competition Level: High

Welwyn Garden City has 27 active fuel stations across 12 different brands, with a brand diversity index of 0.44 - indicating healthy market competition.

The price spread between cheapest and average stations is 6.6p, revealing significant price differences - shop around to save!

Today's Best Value

Cheapest E10 Petrol in Welwyn, Welwyn Garden City, Welwyn Garden City:
128.9p at Morrisons, MFG Morrisons Welwyn Garden City, Black Fan Road, WELWYN GARDEN CITY

Cheapest B7 Diesel in Welwyn, Welwyn Garden City, Welwyn Garden City:
139.9p at Morrisons, MFG Morrisons Welwyn Garden City, Black Fan Road, WELWYN GARDEN CITY

As expected, the supermarket chains are leading the price war in Welwyn Garden City, aggressively undercutting the major oil brands.

Fuel Type Availability

E10
Unleaded (E10)
Widely available
24 / 27 Stations (88.9%)
E5
Super Unleaded (E5)
Moderate availability
19 / 27 Stations (70.4%)
B7
Diesel (B7)
Widely available
21 / 27 Stations (77.8%)
SDV
Premium Diesel
Moderate availability
8 / 27 Stations (29.6%)

Top 2 cheapest petrol stations (E10)

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

PETROL LEADERBOARD Live Data
1
Morrisons
MFG Morrisons Welwyn Garden City, Black Fan Road, WELWYN GARDEN CITY , AL7 1FP
128.9p
BEST PRICE
2
ESSO
MFG Eastbridge, Bridge Road East, Welwyn Garden City , AL7 1LE
131.9p
+3.0p

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 Welwyn Garden City area.

DIESEL LEADERBOARD Live Data
1
Morrisons
MFG Morrisons Welwyn Garden City, Black Fan Road, WELWYN GARDEN CITY , AL7 1FP
139.9p
BEST PRICE
2
TESCO
CIRRUS B , AL7 1ZR
139.9p
+0.0p
3
ESSO
MFG Eastbridge, Bridge Road East, Welwyn Garden City , AL7 1LE
141.9p
+2.0p

How to save on fuel in Welwyn Garden City

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 Welwyn Garden City.

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

"Welwyn Garden City benefits from strong market competition with 12 brands operating across 27 stations. Price stability over the past week suggests predictable costs for motorists, while with a 6.6p price gap between cheapest and average stations, careful selection could save £3.63 per tank."

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

Frequently Asked Questions

As of February 6, 2026, the cheapest station is Morrisons at 128.9p per litre.

There is currently a 3.0p difference between the cheapest and most expensive stations in Welwyn Garden City. For a standard family car, this equals a saving of £1.65 per tank.

Yes, currently supermarkets (Morrisons) are offering the lowest prices in the area.

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: 03:09, 06 Feb 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 Welwyn Garden City was last synchronized at 02:50 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) Stable
Was: 132.2p → Now: 132.5p
Diesel (B7) Stable
Was: 142p → Now: 141.9p

Visualise the Savings

View 5 local stations on our interactive map.

Open Live Map
Popular Brands in Welwyn Garden City
Morrisons ESSO