Cheapest petrol near SO21
Cheapest petrol in SO21, Southampton
Updated 28 August 2026. Prices from the official Fuel Finder open data, refreshed twice a day.
The cheapest petrol near SO21 right now is 159.9p at Sainsbury's Badgers Farm, SO22 4QB. Typical petrol across the 11 forecourts within five miles is 161.9p a litre and diesel 183.9p. The spread here is 26.0p a litre, which is £14.30 on a 55 litre tank, so where you fill up matters.
Cheapest petrol near SO21 today
Cheapest diesel near SO21 today
Every price is the forecourt's own submission to the Fuel Finder scheme, ranked green for the cheapest through to red for the dearest within five miles of the district centre. Enter your full postcode on the home page for the exact forecourts around you, or set a free alert for when the price near you drops.
Common questions about petrol in SO21
How much is petrol in SO21 today?
The typical petrol price within five miles of SO21 is 161.9p a litre as of 10:00 on 28 August 2026, and the cheapest we can see is 159.9p at Sainsbury's Badgers Farm, SO22 4QB. That is about £89.05 for a 55 litre tank at the typical price.
Where is the cheapest petrol near SO21?
Right now the lowest price near SO21 is 159.9p at Sainsbury's Badgers Farm, SO22 4QB. Supermarket forecourts are usually close behind. Enter your full postcode in the search for the exact forecourts around you.
How much is diesel in SO21?
Typical diesel within five miles of SO21 is 183.9p a litre, and the cheapest is 179.9p at Sainsbury's Badgers Farm, SO22 4QB.
How current are these prices?
Forecourts must report a change to the official Fuel Finder scheme within 30 minutes, and this page is rebuilt twice a day. It was last updated at 10:00 on 28 August 2026.