Cheapest unleaded
169.9p
Fuel prices in NP18 today, 12 September 2026
Live petrol and diesel prices at 2 stations in the NP18 postcode area, cheapest first, from the government's Fuel Finder open data.
Cheapest diesel
191.9p
Avg unleaded (NP18)
171.4p
Avg diesel (NP18)
192.4p
Gulf
HILLCROFT GARAGE, CHEPSTOW ROAD, LANGSTONE, CASNEWYDD
NP18 2JN
Unleaded169.9p
Diesel191.9p
Spar
SPAR STORES, PONTHIR ROAD, CAERLEON, CASNEWYDD
NP18 3NY
Unleaded172.9p
Diesel192.9p
Data updated 2 hours ago.
Cheapest fuel in NP18: quick answers
Where is the cheapest petrol in NP18?
The cheapest unleaded in the NP18 postcode area right now is 169.9p per litre at Gulf, HILLCROFT GARAGE, CHEPSTOW ROAD, LANGSTONE, CASNEWYDD. The NP18 average is 171.4p.
Where is the cheapest diesel in NP18?
The lowest diesel price in NP18 is currently 191.9p per litre at Gulf, HILLCROFT GARAGE, CHEPSTOW ROAD, LANGSTONE, CASNEWYDD.