Petrol prices in SN8

Every forecourt in the SN8, Swindon postcode district, cheapest first, with live prices from the government Fuel Finder feed — covering Wiltshire, South West.

Cheapest in SN8
£1.71
£93.89 a tank
Typical here
£1.73
diesel £1.97
Spread in SN8
3.2p
£1.76 a tank
vs UK median
+2.4p
UK £1.71

Petrol stations in SN8 (4)

Cheapest first. Prices update through the day.

SHELL, MARLBOROUGHCheapestMARLBOROUGH£1.71E10£1.94B7JET, FYFIELDFYFIELD£1.73E10£1.96B7BP, MarlboroughMarlborough£1.74E10£1.98B7ESSO, MARLBOROUGHMARLBOROUGH£1.74E10£1.98B7

3.2p separates the cheapest and dearest forecourt inside SN8 alone — £1.76 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 £1.71already available inside SN8 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 SN8

SN8 is part of the SN postcode area, which covers Swindon, and its forecourts sit mainly in Wiltshire in South West. We track 4 forecourts here across 4 brands.

There is no supermarket forecourt in SN8, 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 West as a whole the median is £1.72 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 SN8

How much is petrol in SN8 today?

The typical SN8 forecourt is charging £1.73 a litre for E10 petrol — £95.31 for a 55-litre tank. The cheapest of the 4 forecourts reporting a price in SN8 is at £1.71, and the dearest £1.74.

Where is the cheapest petrol in SN8?

SHELL, MARLBOROUGH in MARLBOROUGH at £1.71 a litre. That is 3.2p below the dearest forecourt in SN8. Prices change through the day, so check before you set off.

Is SN8 cheaper or dearer than the rest of the UK?

SN8 runs 2.4p above the UK median of £1.71, and sits in South West, where the regional median is £1.72. 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 SN8?

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 SN8.

How many petrol stations are there in SN8?

4 forecourts, from 4 different brands. Every one reports its prices to the government Fuel Finder scheme within thirty minutes of a change.