Unleaded at M25 services has a median of 189.9p a litre, 20.6p more than the 169.3p median of the cheapest forecourts off the motorway within 5 miles of each of its 4 service areas. Diesel at M25 services has a median of 215.9p a litre, 19.6p more than the 196.3p median of the cheapest forecourts off the motorway within 5 miles of each of its 4 service areas.

As of , when this page was generated from the latest Fuel Finder prices.

How much is unleaded at M25 services today?

The cheapest unleaded at M25 services is 189.9p a litre at Clacket Lane (J5–6), and the dearest 189.9p at Thurrock. The median across its 5 forecourts with a reliable price for it is 189.9p, 15.0p more than the 174.9p typical of a UK forecourt off the motorway that isn’t a supermarket (supermarkets: 171.9p). Across every forecourt the Government's feed flags as motorway services, the median is 195.9p.

How much is diesel at M25 services today?

The cheapest diesel at M25 services is 215.9p a litre at Clacket Lane (J5–6), and the dearest 217.9p at South Mimms. The median across its 6 forecourts with a reliable price for it is 215.9p, 16.0p more than the 199.9p typical of a UK forecourt off the motorway that isn’t a supermarket (supermarkets: 197.9p). Across every forecourt the Government's feed flags as motorway services, the median is 217.9p.

Every M25 services, in junction order

ServicesForecourtE10Diesel
Clacket Lane · J5–6Clacket Lane West Connect MWSA189.9p215.9p
Clacket Lane East Connect MWSA189.9p215.9p
Cobham · J9–10Shell Cobham189.9p215.9p
South Mimms · J23South Mimms SF Connect MWSA189.9p217.9p
Welcome Break South Mimms Truckstop—217.9p
Thurrock · J30–31MFG Thurrock (Msa)189.9p215.9p

Cheaper fuel just off the M25

The cheapest forecourt off the motorway within 5 miles of each services, as the crow flies, and how much less it charges than the services itself.

NearCheapest unleaded nearbyCheapest diesel nearby
Clacket Lane · J5–6Wolfe Westerham LTD
176.9p — 13.0p less, 1.6 mi away
Keston Tollgate Service Station Limited
199.9p — 16.0p less, 4.8 mi away
Cobham · J9–10Hylands Service Station
168.9p — 21.0p less, 2.7 mi away
Hylands Service Station
195.9p — 20.0p less, 2.7 mi away
South Mimms · J23Asda Elstree Allum Lane Petrol Filling Station
169.7p — 20.2p less, 3.4 mi away
Asda Elstree Allum Lane Petrol Filling Station
196.7p — 21.2p less, 3.4 mi away
Thurrock · J30–31Costco Wholesale Thurrock
167.9p — 22.0p less, 0.7 mi away
Costco Wholesale Thurrock
193.9p — 22.0p less, 0.7 mi away

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Frequently Asked Questions

Why is fuel more expensive at motorway services?

Motorway service areas pay high rents and operating costs, run around the clock, and face little competition: once you are on the motorway, the next forecourt may be twenty miles away. Right now unleaded at forecourts the Government's feed flags as motorway services has a median of 195.9p a litre, against 174.9p at forecourts off the motorway that aren't supermarkets: a gap of 21.0p.

Is it worth leaving the M25 to fill up?

Often, if you need a full tank. The table above shows the cheapest forecourt within 5 miles of each services and how much less it charges. Distances are as the crow flies from the services, so allow for the drive from the junction and back; on a 50-litre fill, a 20p difference is £10.

How often do these prices update?

Prices come from the UK Government's Fuel Finder scheme, which retailers are required to keep current, and this site reads it about every 30 minutes.

Prices sourced from the UK Government’s Fuel Finder scheme under the Open Government Licence. Data is presented without modification. Fuel Tracker UK is an independent app and is not affiliated with or endorsed by HM Government.Report a price discrepancy