Petrol prices in PO31
Every forecourt in the PO31, Portsmouth postcode district, cheapest first, with live prices from the government Fuel Finder feed — covering Isle of Wight, South East.
PO31 has only one forecourt, so there is no comparison to make within the district itself. The PO area page covers the surrounding districts, which is where a cheaper option would be.
Petrol stations in PO31 (1)
Cheapest first. Prices update through the day.
Gulf, COWESCheapestCOWES£1.81E10£2.00B7Is anywhere nearby cheaper?
Neighbouring districts, with the fuel the drive itself burns already subtracted — a 45 mpg car, there and back.
PO13Portsmouth12.2 km away · 15.2 mile round trip · 3 forecourts£1.65saves 11.6p a litrePO33Portsmouth9.9 km away · 12.3 mile round trip · 4 forecourts£1.66saves 11.3p a litrePO30Portsmouth4.9 km away · 6.1 mile round trip · 3 forecourts£1.68saves 11.1p a litreThe saving shown is what is left after the detour: the pump price plus the extra fuel burned getting there and back, spread across a 55-litre fill. A forecourt that is 4p cheaper eight miles away is not 4p cheaper. The arithmetic is here.
Nearby postcode districts
Closest first, with today’s typical price.
About fuel prices in PO31
PO31 is part of the PO postcode area, which covers Portsmouth, and its forecourts sit mainly in Isle of Wight in South East. We track 1 forecourt here across 1 brand.
There is no supermarket forecourt in PO31, which usually shows in the price: supermarket sites anchor local competition, and districts without one tend to run dearer than neighbours that have one. Across South East as a whole the median is £1.70 — see the whole region.
Every price here comes from the government Fuel Finder scheme, which since February 2026 has required each forecourt to report a change within thirty minutes. For the forecourts nearest a specific address rather than a whole district, search your full postcode.
Common questions about PO31
How much is petrol in PO31 today?
The typical PO31 forecourt is charging £1.81 a litre for E10 petrol — £99.50 for a 55-litre tank. The one forecourt reporting a price is at £1.81.
Where is the cheapest petrol in PO31?
Gulf, COWES in COWES at £1.81 a litre. Prices change through the day, so check before you set off.
Is PO31 cheaper or dearer than the rest of the UK?
PO31 runs 13.0p above the UK median of £1.68, and sits in South East, where the regional median is £1.70. Local competition drives most of that: districts with two or more supermarket forecourts close together price lower than districts where the nearest alternative is a drive away.
Is it worth driving to a cheaper postcode from PO31?
Right now, yes — PO13 has fuel at £1.65, and even after the 24.4 km round trip burns its own fuel, you are about 11.6p a litre better off. That is roughly £6.39 on a tank. Anything closer than that is not worth a special journey, though it may be worth routing past.
How many petrol stations are there in PO31?
1 forecourts, from 1 different brands. Every one reports its prices to the government Fuel Finder scheme within thirty minutes of a change.