Petrol prices in SA4
Every forecourt in the SA4, Swansea postcode district, cheapest first, with live prices from the government Fuel Finder feed — covering Swansea, Wales.
Petrol stations in SA4 (9)
Cheapest first. Prices update through the day.
Murco, SWANSEACheapestSWANSEA£1.62E10£1.82B7ASDA, GORSEINONGORSEINON£1.64E10£1.84B7MURCO, ABERTAWEABERTAWE£1.64E10£1.84B7ESSO, SWANSEASWANSEA£1.67E10£1.87B7Pontarddulais Service Station, ABERTAWEABERTAWE£1.67E10£1.90B7TESCO, ABERTAWEABERTAWE£1.68E10£1.89B7ESSO, SWANSEASWANSEA£1.70E10£1.90B7ESSO, LLANEDIMotorwayLLANEDI£1.87E10£2.00B7BP, SWANSEAMotorwaySWANSEA£1.90E10£2.10B728.0p separates the cheapest and dearest forecourt inside SA4 alone — £15.40 on a tank, without leaving the district. That is usually a bigger saving than any amount of waiting for prices to move.
Is anywhere nearby cheaper?
Neighbouring districts, with the fuel the drive itself burns already subtracted — a 45 mpg car, there and back.
Not today. Of the 8 nearest districts, none is cheap enough to cover the fuel the drive itself would burn — the £1.62already available inside SA4 wins. That is the common case, and it is why chasing a cheaper sign a few miles away usually costs more than it saves — the break-even calculation shows where the line falls.
Nearby postcode districts
Closest first, with today’s typical price.
About fuel prices in SA4
SA4 is part of the SA postcode area, which covers Swansea, and its forecourts sit mainly in Swansea in Wales. We track 9 forecourts here across 6 brands, of which 3 are supermarkets.
Supermarket forecourts usually anchor local pricing: where one exists, the independents nearby tend to price close to it, and where none does, prices drift upward. SA4 has 3, which is why the local spread is 28.0p. Across Wales as a whole the median is £1.65 — 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 SA4
How much is petrol in SA4 today?
The typical SA4 forecourt is charging £1.67 a litre for E10 petrol — £91.80 for a 55-litre tank. The cheapest of the 9 forecourts reporting a price in SA4 is at £1.62, and the dearest £1.90.
Where is the cheapest petrol in SA4?
Murco, SWANSEA in SWANSEA at £1.62 a litre. That is 28.0p below the dearest forecourt in SA4. Prices change through the day, so check before you set off.
Is SA4 cheaper or dearer than the rest of the UK?
SA4 runs 2.0p above the UK median of £1.65, and sits in Wales, where the regional median is £1.65. 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 SA4?
Not on today's prices. No neighbouring district is cheap enough to cover the fuel the detour itself would burn, so the best price available to you is inside SA4.
How many petrol stations are there in SA4?
9 forecourts, from 6 different brands, including 3 supermarket forecourts and 2 motorway service stations. Every one reports its prices to the government Fuel Finder scheme within thirty minutes of a change.