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Cheapest Petrol & Diesel in Casnewydd Today

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Last updated: · Prices refresh every 30 minutes from the UK government's Fuel Finder service.

Cheapest Petrol in Casnewydd

145.9p per litre at Tesco, Newport Casnewydd
Area average: 148.7p — save up to 2.8p/litre

Cheapest Diesel in Casnewydd

157.9p per litre at Tesco, Newport Casnewydd
Area average: 162.9p — save up to 5.0p/litre
See all 6 stations View on map 30-day trend Annual cost
Browse by brand: Commercial Street Service StationEssoEsso Sinclair garagesGulfSparTesco

Worth the Drive?

Petrol averages 3.0p less in Pillgwenlly (145.7p vs 148.7p here). The round trip is about 2 miles each way, costing roughly £0.55 in fuel at 35 mpg. A 60‑litre fill would save £1.81 — a net saving of £1.26 after the return journey.

Diesel averages 5.2p less in Pillgwenlly (157.7p vs 162.9p here). The round trip is about 2 miles each way, costing roughly £0.42 in fuel at 50 mpg. A 60‑litre fill would save £3.11 — a net saving of £2.69 after the return journey.

There are 6 fuel stations in Casnewydd reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 148.7p per litre across 6 stations. Diesel (B7) averages 162.9p across 6 stations. Unleaded is 1.9p below the national average of 150.6p.

Use our fuel station finder to find the most economical place to fill up near you, or calculate the fuel cost of a longer trip from Casnewydd.

Fuel Stations in Casnewydd

Station ⇅ Postcode ⇅ E10 ⇅ E5 ⇅ B7 ⇅ SDV ⇅
Commercial Street Service Station, Risca Casnewydd NP11 6EE 147.8p 157.8p 159.8p 177.8p
Esso, Newport Casnewydd NP19 9EZ 148.9p 163.9p 160.9p 174.9p Cheapest
Esso Sinclair garages, Newport Casnewydd NP19 0HE 149.9p 175.9p 167.9p –
Gulf, Langstone Casnewydd NP18 2JN 149.9p – 164.9p –
Spar, Caerleon Casnewydd NP18 3NY 149.9p – 165.9p –
Tesco, Newport Casnewydd NP20 3BA Super-market 145.9p Cheapest 154.9p Cheapest 157.9p Cheapest –

Station Map

Nearby Towns

Pillgwenlly
1 stations
Unleaded avg 145.7p
Diesel avg 157.7p
Stow Hill
1 stations
Unleaded avg 148.9p
Diesel avg 165.9p
Liswerry
2 stations
Unleaded avg 147.9p
Diesel avg 162.9p
Ringland
1 stations
Unleaded avg 148.9p
Diesel avg 160.9p
Caerleon
1 stations
Unleaded avg 149.9p
Diesel avg 165.9p
Gaer
1 stations
Unleaded avg 145.9p
Diesel avg 157.9p
Tredegar Park
1 stations
Unleaded avg 145.7p
Diesel avg 157.7p
Rogerstone
2 stations
Unleaded avg 149.3p
Diesel avg 164.3p

Average Petrol and Diesel Prices in Casnewydd (pence per litre)

Unleaded (E10)
148.7p
6 stations
±1.5p std dev
1.9p below national
Super Unleaded (E5)
163.1p
4 stations
±8.1p std dev
5.5p below national
Diesel (B7)
162.9p
6 stations
±3.6p std dev
1.7p below national
Premium Diesel
176.4p
2 stations
±1.5p std dev
9.1p below national

30-Day Price Trend in the Newport Region (pence per litre)

Daily averages across all stations in the Newport postcode area over the last 30 days. Casnewydd sits within this region.

What does fuel cost a typical driver in Casnewydd?

At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2318/year on fuel in Casnewydd (at 148.7p/L). That's £29 less than the UK average of £2347. Across the wider Newport (NP) postcode area petrol averages 148.4p/L, working out at £2313/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1777/year at Casnewydd's average diesel price of 162.9p/L. That's £19 less than the UK average of £1796. Across the wider Newport (NP) postcode area diesel averages 163.8p/L — £1787/year.

Choose the right station — save £££

The cheapest petrol in Casnewydd is 145.9p/L and the most expensive is 149.9p/L — a 4.0p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £2.40.

For diesel the spread is 10.0p/L (157.9p cheapest, 167.9p dearest) — £6.00 saved on a 60‑litre fill.

Fuel Prices by Brand in Casnewydd

Average prices and cheapest station for each fuel brand in Casnewydd.

Commercial Street Service Station Fuel Prices in Casnewydd

There is 1 Commercial Street Service Station forecourt in Casnewydd. Petrol is 147.8p/L — 0.9p below the Casnewydd average. Diesel is 159.8p/L (3.1p below town avg). Live prices: Commercial Street Service Station, Risca.

Show station details
StationPostcodeE10B7
Commercial Street Service Station, Risca NP11 6EE 147.8p 159.8p

Esso Fuel Prices in Casnewydd

There is 1 Esso forecourt in Casnewydd. Petrol is 148.9p/L — 0.2p above the Casnewydd average. Diesel is 160.9p/L (2.0p below town avg). Live prices: Esso, Newport. Esso fuel prices across the UK →

Show station details
StationPostcodeE10B7
Esso, Newport NP19 9EZ 148.9p 160.9p

Esso Sinclair garages Fuel Prices in Casnewydd

There is 1 Esso Sinclair garages forecourt in Casnewydd. Petrol is 149.9p/L — 1.2p above the Casnewydd average. Diesel is 167.9p/L (5.0p above town avg). Live prices: Esso Sinclair garages, Newport.

Show station details
StationPostcodeE10B7
Esso Sinclair garages, Newport NP19 0HE 149.9p 167.9p

Gulf Fuel Prices in Casnewydd

There is 1 Gulf forecourt in Casnewydd. Petrol is 149.9p/L — 1.2p above the Casnewydd average. Diesel is 164.9p/L (2.0p above town avg). Live prices: Gulf, Langstone. Gulf fuel prices across the UK →

Show station details
StationPostcodeE10B7
Gulf, Langstone NP18 2JN 149.9p 164.9p

Spar Fuel Prices in Casnewydd

There is 1 Spar forecourt in Casnewydd. Petrol is 149.9p/L — 1.2p above the Casnewydd average. Diesel is 165.9p/L (3.0p above town avg). Live prices: Spar, Caerleon.

Show station details
StationPostcodeE10B7
Spar, Caerleon NP18 3NY 149.9p 165.9p

Tesco Fuel Prices in Casnewydd

There is 1 Tesco forecourt in Casnewydd. Petrol is 145.9p/L — 2.8p below the Casnewydd average. Diesel is 157.9p/L (5.0p below town avg). Live prices: Tesco, Newport. Tesco fuel prices across the UK →

Show station details
StationPostcodeE10B7
Tesco, Newport NP20 3BA 145.9p 157.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in Casnewydd today is 145.9p per litre at TESCO, NP20 3BA. The average across 6 stations is 148.7p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Casnewydd today is 157.9p per litre at TESCO, NP20 3BA. The average across 6 stations is 162.9p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Casnewydd is 148.7p per litre from 6 stations. The national average is 150.6p, so Casnewydd is 1.9p below the national average.

The average diesel (B7) price in Casnewydd is 162.9p per litre from 6 stations. The national average is 164.6p, so Casnewydd is 1.7p below the national average.

There are currently 6 fuel stations reporting prices in Casnewydd. This includes supermarket forecourts, independent stations, and branded sites.

Fuel prices on MPG Calc are updated every 30 minutes using official data from the UK government's Fuel Finder service. All retailers with 250+ filling stations are required by law to report their prices, covering the vast majority of UK forecourts.