Petrol prices in SL5
Every forecourt in the SL5, Slough postcode district, cheapest first, with live prices from the government Fuel Finder feed — covering Windsor and Maidenhead, South East.
SL5 has only one forecourt, so there is no comparison to make within the district itself. The SL area page covers the surrounding districts, which is where a cheaper option would be.
Petrol stations in SL5 (1)
Cheapest first. Prices update through the day.
ESSO, ASCOTCheapestASCOT£1.74E10£1.97B7Is 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 £1.74already available inside SL5 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 SL5
SL5 is part of the SL postcode area, which covers Slough, and its forecourts sit mainly in Windsor and Maidenhead in South East. We track 1 forecourt here across 1 brand.
There is no supermarket forecourt in SL5, 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 £1.73 — 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 SL5
How much is petrol in SL5 today?
The typical SL5 forecourt is charging £1.74 a litre for E10 petrol — £95.64 for a 55-litre tank. The one forecourt reporting a price is at £1.74.
Where is the cheapest petrol in SL5?
ESSO, ASCOT in ASCOT at £1.74 a litre. Prices change through the day, so check before you set off.
Is SL5 cheaper or dearer than the rest of the UK?
SL5 runs 3.0p above the UK median of £1.71, and sits in South East, where the regional median is £1.73. 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 SL5?
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 SL5.
How many petrol stations are there in SL5?
1 forecourts, from 1 different brands. Every one reports its prices to the government Fuel Finder scheme within thirty minutes of a change.