Live prices
Cheapest premium unleaded (E5) in Casnewydd
3 stations reporting premium unleaded (E5), ranked cheapest first.
The cheapest reported premium unleaded (E5) in Casnewydd is £8.09 a gallon (177.9p per litre) at Tesco, Unit 6 Harlech Retail Park, Cardiff Road, Casnewydd (NP20 3BA). The average across 3 forecourts currently reporting this grade is £8.54 a gallon (187.9p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £5.00 on a 50-litre fill. That local average is 1.5p per litre below the UK average of 189.4p.
The average is unchanged since yesterday. The average has risen 2.3p per litre since last week.
Prices last refreshed at 2:32pm on 20 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
 Newport Extra - Petrol Filling Station (NP20 3BA)Unit 6 Harlech Retail Park, Cardiff Road, Casnewydd | £7.63167.9p | £8.68190.9p | £8.09177.9p | ---- | 24 mins ago |
 Newport Chepstow Rd Esso Express (NP19 9EZ)Chepstow RD, Casnewydd | £7.77170.9p | £8.91195.9p | £8.45185.9p | £9.54209.9p | 24 mins ago |
| Esso Sinclair Garages (NP19 0HE)24hSinclair Garages, Corporation Road, Casnewydd, NP19 0HE, Casnewydd | £8.04176.9p | £9.00197.9p | £9.09199.9p | ---- | 24 mins ago |
Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes. Only stations reporting premium unleaded (E5) appear here.
Search a postcode
Questions about premium unleaded (E5) in Casnewydd
- Where is the cheapest premium unleaded (E5) in Casnewydd?
- The cheapest reported premium unleaded (E5) in Casnewydd is 177.9p per litre at Tesco, Unit 6 Harlech Retail Park, Cardiff Road, Casnewydd (NP20 3BA). The average across 3 forecourts reporting this grade is 187.9p per litre. Prices were last refreshed at 2:32pm on 20 September 2026 from official UK Government fuel price data.
- How many stations in Casnewydd sell premium unleaded (E5)?
- 3 forecourts in Casnewydd currently report a price for premium unleaded (E5) through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.