Live prices
Cheapest petrol and diesel near NP18
19 forecourts within 5 miles of the centre of the NP18 postcode district, 2 of them inside NP18 itself.
The cheapest reported unleaded petrol (E10) within 5 miles of the centre of NP18 is £7.59 a gallon (166.9p per litre) at Sainsbury's, Llewellyn Road, Cwmbran (NP44 1UL). The average across 19 forecourts currently reporting this grade is £7.82 a gallon (172.0p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £2.55 on a 50-litre fill. That local average is 0.7p per litre below the UK average of 172.7p.
The average has fallen 0.4p per litre since yesterday. The average has risen 0.6p per litre since last week.
Prices last refreshed at 3:02pm on 21 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.09/gal177.9p/L
- Average
- £7.82/gal172.0p/L
- Lowest
- £7.59/gal166.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.18/gal201.9p/L
- Average
- £8.91/gal196.0p/L
- Lowest
- £8.59/gal188.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.09/gal199.9p/L
- Average
- £8.59/gal189.0p/L
- Lowest
- £8.09/gal177.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.22/gal224.9p/L
- Average
- £9.74/gal214.3p/L
- Lowest
- £9.08/gal199.7p/L
Every station near NP18, cheapest unleaded first
| Station | Distance | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|---|
 Sainsburys Cwmbran (NP44 1UL)Llewellyn Road, Cwmbran | 4.7 miles | £7.59166.9p | £8.59188.9p | £8.13178.9p | ---- | 27 mins ago |
 Newport Spytty Extra - Petrol Filling Station (NP19 4TX)24hSpytty Road, Newport | 2.3 miles | £7.63167.9p | £8.68190.9p | £8.09177.9p | ---- | 27 mins ago |
| Newport Extra - Petrol Filling Station (NP20 3BA)Unit 6 Harlech Retail Park, Cardiff Road, Casnewydd | 3.8 miles | £7.63167.9p | £8.68190.9p | £8.09177.9p | ---- | 27 mins ago |
 Asda Newport Pillgwenlly Superstore (NP20 2BH)Lower Dock Street, Newport | 2.7 miles | £7.67168.7p | £8.67190.7p | ---- | ---- | 27 mins ago |
 Avondale Service Station (NP44 1TT)24hAvondale Service Station, Avondale Road, Pontrhydyrun, Cwmbran, NP44 1TT, Cwmbran | 4.8 miles | £7.71169.7p | £8.76192.7p | £8.41184.9p | £9.08199.7p | 27 mins ago |
| Sainsburys Newport (NP20 5NJ)Albany Street, Newport | 2.3 miles | £7.72169.9p | £8.72191.9p | £8.27181.9p | ---- | 27 mins ago |
 Mfg Morrisons Cwmbran (NP44 1QP)24hGrange Road, Torfaen, Cwmbran | 4.6 miles | £7.72169.9p | £8.77192.9p | £8.45185.9p | £9.22202.9p | 27 mins ago |
 Newport Chepstow Rd Esso Express (NP19 9EZ)Chepstow RD, Casnewydd | 0.9 miles | £7.77170.9p | £8.91195.9p | £8.45185.9p | £9.54209.9p | 27 mins ago |
 Hillcroft Stores (NP18 2JN)Hillcroft Garage, Chepstow Road, Langstone, Casnewydd | 2 miles | £7.77170.9p | £8.91195.9p | ---- | ---- | 27 mins ago |
| Asda Casnewydd Express Petrol (NP19 8BW)24h17-25 Chepstow Road, Newport | 2.3 miles | £7.81171.9p | £9.18201.9p | £8.68190.9p | £10.04220.9p | 27 mins ago |
| Asda Cwmbran Express Petrol (NP44 3JA)24hHenllys Way, Newport | 4.4 miles | £7.81171.9p | £8.91195.9p | £8.68190.9p | £9.77214.9p | 27 mins ago |
| Mfg Newport (NP19 8BY)24h57/59 Chepstow Road, Newport, Gwent | 2.2 miles | £7.86172.9p | £9.09199.9p | £8.63189.9p | £9.82215.9p | 27 mins ago |
 Br Ponthir (NP18 3NY)Spar Stores, Ponthir Road, Caerleon, Casnewydd | 1.3 miles | £7.91173.9p | £8.95196.9p | ---- | ---- | 27 mins ago |
 Malpas Sf Connect (NP20 6NF)24hMalpas Road, Newport, Newport | 2.9 miles | £7.91173.9p | £8.95196.9p | £8.86194.9p | £9.91217.9p | 27 mins ago |
| Rontec Magor (NP26 3YL)24hMotorwayM4 Junction 23, Caldicot, Gwent | 4.7 miles | £7.91173.9p | £9.18201.9p | £8.81193.9p | £10.09221.9p | 27 mins ago |
| Asda Stow Hill Express Petrol (NP20 4GA)24hStow Hill, Newport | 3.1 miles | £7.95174.9p | £9.13200.9p | £8.81193.9p | ---- | 27 mins ago |
| Esso Sinclair Garages (NP19 0HE)24hSinclair Garages, Corporation Road, Casnewydd, NP19 0HE, Casnewydd | 2.4 miles | £8.04176.9p | £9.04198.9p | £9.09199.9p | ---- | 27 mins ago |
 Shell Newport (NP20 5PA)24h1 Malpas Road, Newport, Gwent | 2.6 miles | £8.04176.9p | £9.04198.9p | £9.09199.9p | £10.22224.9p | 27 mins ago |
| Asda Newport Express Petrol (NP10 9AE)Highcross Road, Rogerstone | 4.4 miles | £8.09177.9p | £9.18201.9p | £8.91195.9p | ---- | 27 mins ago |
The market shown is a fixed 5-mile radius from the centre of the NP18 postcode district. Not every station reports every fuel grade, so grade averages state how many stations they cover. Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes.
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Answers come straight from recorded official price data, refreshed every 30 minutes.
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Filling 50 litres at the cheapest reported station rather than an average-priced one saves about £2.55 today.
Questions about fuel prices near NP18
- Where is the cheapest petrol near NP18?
- The cheapest reported unleaded petrol (E10) within 5 miles of the centre of NP18 is 166.9p per litre at Sainsbury's, Llewellyn Road, Cwmbran (NP44 1UL). The local average is 172.0p across 19 forecourts reporting this grade. Prices were last refreshed at 3:02pm on 21 September 2026 from official UK Government fuel price data.
- Where is the cheapest diesel near NP18?
- The cheapest reported diesel (B7) within 5 miles of the centre of NP18 is 188.9p per litre at Sainsbury's, Llewellyn Road, Cwmbran (NP44 1UL). The local average is 196.0p per litre.
- How often are fuel prices in NP18 updated?
- Prices are supplied by fuel retailers through the official UK Government fuel price open data scheme and checked every 30 minutes. Each station row shows when its price was last recorded.