Casnewydd Fuel Prices

Find the cheapest petrol and diesel in Casnewydd. Live prices from 6 fuel stations, updated hourly from the official Fuel Finder feed.

Fuel price answer

cheapest petrol and diesel in Casnewydd

As of 4 August 2026, the cheapest unleaded petrol in Casnewydd is 149.8p/L at Commercial Street Service Station Commercial Street Service Station, the cheapest diesel in Casnewydd is 163.8p/L at Commercial Street Service Station Commercial Street Service Station. Across 6 stations, unleaded averages 159.2p/L and diesel 177.5p/L.

Unleaded (E10)

149.8p cheapest

Avg 159.2pHigh 164.9pSpread 15.1p6 priced

Diesel

163.8p cheapest

Avg 177.5pHigh 184.9pSpread 21.1p6 priced

Cheapest Unleaded (E10) in Casnewydd

  • 1. Commercial Street Service Station — Commercial Street Service Station · CASNEWYDD149.8p
  • 2. Tesco — NEWPORT EXTRA - PETROL FILLING STATION · CASNEWYDD158.9p
  • 3. Gulf — Hillcroft Stores · CASNEWYDD158.9p
  • 4. Esso — NEWPORT CHEPSTOW RD ESSO EXPRESS · CASNEWYDD160.9p
  • 5. Spar — BR Ponthir · CASNEWYDD161.9p

Cheapest Diesel in Casnewydd

  • 1. Commercial Street Service Station — Commercial Street Service Station · CASNEWYDD163.8p
  • 2. Tesco — NEWPORT EXTRA - PETROL FILLING STATION · CASNEWYDD175.9p
  • 3. Esso — NEWPORT CHEPSTOW RD ESSO EXPRESS · CASNEWYDD178.9p
  • 4. Gulf — Hillcroft Stores · CASNEWYDD179.9p
  • 5. Spar — BR Ponthir · CASNEWYDD181.9p

Data freshness

Updated 3 Aug 2026, 15:26

Methodology

PetrolPal groups stations by country, region, and city from postcode-derived location data. Local pages are designed to help drivers compare nearby petrol and diesel prices before choosing where to fill up.

Citation

Source: PetrolPal, using official UK forecourt fuel price data. Cite: https://petrolpal.co.uk/fuel-prices/wales/casnewydd

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About Casnewydd Fuel Prices

PetrolPal tracks live fuel prices in Casnewydd using official UK Government data, updated hourly. Compare petrol and diesel prices from supermarkets, branded stations, and independents to find the cheapest fuel near you.

Prices in Casnewydd are based on stations in the Wales. View the Casnewydd statistics page for detailed price analytics including brand averages, price distribution, and historical trends.

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