Every petrol station in South Mimms that reports to the Government's Fuel Finder scheme — 1 of them — with the price each one reported and the time it reported it.
The cheapest fuel in South Mimms right now
- Cheapest unleaded (E10)
- none reported here in our latest collection
- Cheapest diesel (B7)
- 214.9p at Welcome Break South Mimms Truckstop reported 10:23 on 15 Sept 2026
- Cheapest super unleaded (E5)
- none reported here in our latest collection
How South Mimms compares
- Diesel here averages 214.9p — 19.7p above the UK average of 195.2p.
- 0 of 1 report unleaded, 1 report diesel.
An average across reporting stations, one vote each — not what drivers here actually pay, which would need sales volumes nobody publishes.
All 1 petrol stations in South Mimms
- Welcome Break South Mimms Truckstopdiesel 214.9p
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⚠ Prices are as reported to the Fuel Finder scheme, with the time each was reported — not a promise of what you will pay. Retailers have up to 30 minutes to report a change. Always check the price on the pump. Collected 19:32 on 17 Sept 2026.
Report a price discrepancy · Fuel price data from Fuel Finder (DESNZ), used under the Open Government Licence v3.0.