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

A comprehensive breakdown of fuel prices in the Southsea 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 04:10
1
Local Stations
22
Brands (PO Area)
0.0p
Max Price Gap
#93
UK Ranking REGION
Key Takeaways
  • Cheapest petrol: 129.9p at Green Road Service Station
  • Potential savings: Up to £0.00 per tank
  • 75 stations tracked across 22 brands

Motorists in Southsea are currently paying above-average prices compared to other UK regions. Over the past week, E10 petrol prices in PO have Increased 0.6p (0.5%)

According to our latest data feed from the Competition and Markets Authority (CMA), selecting the right forecourt in Southsea 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: Competitive

Competition Level: High

Southsea has 75 active fuel stations across 22 different brands, with a brand diversity index of 0.29 - indicating healthy market competition.

The price spread between cheapest and average stations is 4.4p, showing moderate price variation across the market.

Today's Best Value

Cheapest E10 Petrol in Southsea, Southsea:
129.9p at Green Road Service Station, GREEN ROAD SERVICE STATION, GREEN ROAD, SOUTHSEA, PO5 4DY, SOUTHSEA, England

Cheapest B7 Diesel in Southsea, Southsea:
139.9p at Green Road Service Station, GREEN ROAD SERVICE STATION, GREEN ROAD, SOUTHSEA, PO5 4DY, SOUTHSEA, England

Surprisingly, an independent or branded station (Green Road Service Station) has beaten the supermarkets to the top spot today.

Fuel Type Availability

E10
Unleaded (E10)
Widely available
66 / 75 Stations (88%)
E5
Super Unleaded (E5)
Moderate availability
44 / 75 Stations (58.7%)
B7
Diesel (B7)
Widely available
65 / 75 Stations (86.7%)
SDV
Premium Diesel
Moderate availability
21 / 75 Stations (28%)

Top 1 cheapest petrol stations (E10)

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

PETROL LEADERBOARD Live Data
1
Green Road Service Station
GREEN ROAD SERVICE STATION, GREEN ROAD, SOUTHSEA, PO5 4DY, SOUTHSEA, England , PO5 4DY
129.9p
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 Southsea area.

DIESEL LEADERBOARD Live Data
1
Green Road Service Station
GREEN ROAD SERVICE STATION, GREEN ROAD, SOUTHSEA, PO5 4DY, SOUTHSEA, England , PO5 4DY
139.9p
BEST PRICE

How to save on fuel in Southsea

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 Southsea.

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

"Southsea benefits from strong market competition with 22 brands operating across 75 stations. However, prices rank in the bottom 21% nationally, suggesting room for improvement, while interestingly, Green Road Service Station 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 February 6, 2026, the cheapest station is Green Road Service Station at 129.9p per litre.

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

Not currently. An independent or oil-company brand (Green Road Service Station) 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: 04:38, 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 Southsea was last synchronized at 04:10 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) 0.6p
Was: 133.5p → Now: 134.1p
Diesel (B7) 0.8p
Was: 141.5p → Now: 142.3p

Visualise the Savings

View 2 local stations on our interactive map.

Open Live Map
Popular Brands in Southsea
Green Road Service Station