Diesel prices in N21

Distances are from the centre of N21.

Cheapest reported within 25 miles · Diesel (B7)

187.9p

Sainsburys Dome Roundabout · Sainsbury's

Cow Lane, Watford, WD25 9JS

13 miles away · Open 24 hours

Price changed 7 days ago

£4.80 less on 40 litres than the local median (199.9p)

Directions

Nearest open station: Sainsburys London Colney, 9.6 mi, 198.9p. The top pick saves £4.40 on 40 litres, before the cost of any extra driving.

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EssoShellBPTescoSainsbury'sTexacoAsdaJet

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  1. 187.9pSainsburys Dome Roundabout · Sainsbury'sGo13 mi · Open 24 hours
    Price changed 7 days agoWrong price?
  2. 191.9pSainsburys Alperton · Sainsbury'sGo11 mi · Open 24 hours
    Price changed 2 days agoWrong price?
  3. 195.9pSainsburys Charlton Riverside · Sainsbury'sGo11 mi · Open 24 hours
    Price changed 3 days agoWrong price?
  4. 197.9pSainsburys Lower Richmond Road · Sainsbury'sGo13 mi · Open 24 hours
    Price changed 26 days agoWrong price?
  5. 198.9pSainsburys London Colney · Sainsbury'sGo9.6 mi · Open 24 hours
    Price changed 24 days agoWrong price?

See on the map

N21 fuel prices today

FuelCheapestTypicalStations
Unleaded (E10)159.9p169.9p831
Super unleaded (E5)172.9p189.9p765
Diesel (B7)187.7p199.9p825
Premium diesel200.9p219.9p553

Typical unleaded here is 1.0p above the Great Britain typical price of 168.9p.

What's the cheapest petrol in N21 today?

Greenman Service Station (Jet) at 159.9p a litre, the lowest reported price at an open station within 25 miles. The typical price nearby is 169.9p.

What's the cheapest diesel in N21 today?

Asda Watford Supercentre (Asda) at 187.7p a litre, the lowest reported price at an open station within 25 miles. The typical price nearby is 199.9p.

Updated 10 November 2026 from GOV.UK Fuel Finder. "Typical" is the median of prices confirmed in the last 30 days. Closed stations are removed, and prices that differ sharply from nearby stations aren't ranked.

All stations in N21

MFG HighfieldsWinchmore Hill Esso Express

Nearby towns

EnfieldBarnetGreater LondonWoodford GreenBorehamwoodLondonIlfordWembley

Nearby postcode districts

N14N13EN2N9N17EN1N11EN3