Live prices
Cheapest petrol and diesel near CF3
22 forecourts within 5 miles of the centre of the CF3 postcode district, 3 of them inside CF3 itself.
The cheapest reported unleaded petrol (E10) within 5 miles of the centre of CF3 is £7.62 a gallon (167.7p per litre) at Asda, Pencarn Way - Coedkernew, Newport (NP10 8XL). The average across 22 forecourts currently reporting this grade is £7.80 a gallon (171.5p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £1.90 on a 50-litre fill. That local average is 0.7p per litre below the UK average of 172.2p.
The average has risen 0.6p per litre since yesterday. The average has risen 3.9p per litre since last week.
Prices last refreshed at 5:31pm on 18 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
- £7.80/gal171.5p/L
- Lowest
- £7.62/gal167.7p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £8.87/gal195.1p/L
- Lowest
- £8.62/gal189.7p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.86/gal194.9p/L
- Average
- £8.47/gal186.3p/L
- Lowest
- £8.18/gal179.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.00/gal219.9p/L
- Average
- £9.73/gal214.0p/L
- Lowest
- £9.27/gal203.9p/L
Every station near CF3, cheapest unleaded first
| Station | Distance | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|---|
 Asda Newport Superstore (NP10 8XL)24hPencarn Way - Coedkernew, Newport | 4.5 miles | £7.62167.7p | £8.62189.7p | ---- | ---- | 18 Sept 2026, 16:31 |
 Sainsburys Thornhill (CF14 9BB)District Shopping Centre, Excalibur Drive, Thornhill, Cardiff | 3.8 miles | £7.68168.9p | £8.81193.9p | £8.22180.9p | ---- | 18 Sept 2026, 16:31 |
 City Filling Station (CF14 3AD)24hPremier, 99-101, North Road, Caerdydd, CF14 3AD | 3.9 miles | £7.72169.9p | £8.81193.9p | ---- | ---- | 18 Sept 2026, 16:31 |
| St Mellons Service Station (CF3 5UG)24hST. Mellons Service Station, Newport Road, Old ST. Mellons, Cardiff | 0.8 miles | £7.72169.9p | £8.81193.9p | £8.63189.9p | ---- | 18 Sept 2026, 16:31 |
| Tudor Motors (CF11 6AF)24hTudor Filling Station, 14-24, Tudor Street, Caerdydd, CF11 6AF, Caerdydd | 4.4 miles | £7.72169.9p | £8.91195.9p | ---- | £9.54209.9p | 18 Sept 2026, 16:31 |
 Cardiff Tyn-y-parc Express (CF14 6BN)Tesco Express, Tyn-y-parc Road, Cardiff | 4.5 miles | £7.72169.9p | £8.81193.9p | £8.18179.9p | ---- | 18 Sept 2026, 16:31 |
| Sainsburys Colchester Avenue (CF23 9XN)Colchester Avenue, Penylan, Cardiff | 2.3 miles | £7.72169.9p | £8.72191.9p | ---- | ---- | 18 Sept 2026, 16:31 |
| Cardiff Extra - Petrol Filling Station (CF14 3AT)24hExcelsior Estate, Excelsior Road, Cardiff | 4.4 miles | £7.72169.9p | £8.77192.9p | £8.18179.9p | ---- | 18 Sept 2026, 16:31 |
 Mfg Morrisons Cardiff Tyglass (CF14 5EP)Ty- Glas Road, Llanishen, Cardiff | 3.9 miles | £7.72169.9p | £8.81193.9p | £8.45185.9p | ---- | 18 Sept 2026, 16:31 |
| Asda Pentwyn Superstore (CF23 8NL)8 Dering Road, Pontprennau, Cardiff | 1.3 miles | £7.72169.9p | £8.77192.9p | ---- | ---- | 18 Sept 2026, 16:31 |
| Mfg Morrisons Cardiff Newport Road (CF23 9YG)24hIpswich Road, Pen-y-lan, Cardiff | 2 miles | £7.72169.9p | £8.81193.9p | £8.45185.9p | £9.27203.9p | 18 Sept 2026, 16:31 |
| Cardiff Pengam Extra - Petrol Filling Station (CF24 2HP)Tesco Extra, Ffordd Pengam, Caerdydd | 2.4 miles | £7.77170.9p | £8.77192.9p | £8.22180.9p | ---- | 18 Sept 2026, 16:31 |
| St Mellons Superstore - Petrol Filling Station (CF3 0EF)Tesco Stores Ltd, Crickhowell Road, ST. Mellons, Cardiff | 0.4 miles | £7.77170.9p | £8.77192.9p | £8.22180.9p | ---- | 18 Sept 2026, 16:31 |
 Rontec Cathedral (CF11 9HA)24hCathedral Road, Cardiff, South Glamorgan | 4.3 miles | £7.81171.9p | £9.00197.9p | ---- | £9.86216.9p | 18 Sept 2026, 16:31 |
| Mfg Castleton (CF3 2UR)24hNewport Road, Castleton / Cardiff, South Glamorgan | 2.1 miles | £7.86172.9p | £9.00197.9p | £8.63189.9p | £9.82215.9p | 18 Sept 2026, 16:31 |
| Texaco Three Arches Services (CF14 4HT)Three Arches Services Ltd, Heathwood Road, Cardiff, CF14 4HT, Cardiff | 3 miles | £7.86172.9p | £8.77192.9p | ---- | ---- | 18 Sept 2026, 16:31 |
| Mfg Cardiff (CF24 1AG)24h145 Newport Road, Roath, Cardiff | 3.1 miles | £7.91173.9p | £9.00197.9p | £8.63189.9p | £9.82215.9p | 18 Sept 2026, 16:31 |
| Mfg Premier (CF23 9AE)24hNewport Road, Cardiff, South Glamorgan | 2.1 miles | £7.91173.9p | £9.00197.9p | £8.63189.9p | £9.82215.9p | 18 Sept 2026, 16:31 |
 Mfg Cardinal (CF23 9AD)24hNewport Road, Cardiff, South Glamorgan | 2.1 miles | £7.91173.9p | £9.00197.9p | £8.45185.9p | ---- | 18 Sept 2026, 16:31 |
| Mfg Cardiff Bay (CF11 7AS)24h235 Corporation Road, Cardiff, Glamorgan | 4.7 miles | £7.91173.9p | £9.00197.9p | £8.63189.9p | £9.82215.9p | 18 Sept 2026, 16:31 |
| Pentwyn Service Station (CF23 7XH)24hPentwyn Service Station, Pentwyn Road, Pentwyn, Cardiff | 1.2 miles | £7.95174.9p | £9.09199.9p | £8.86194.9p | £10.00219.9p | 18 Sept 2026, 16:31 |
 Welcome Break Cardiff (CF23 8RA)24hMotorwayMotorway Services, Cardiff Gate, Cardiff | 1.5 miles | £8.09177.9p | £9.09199.9p | £8.63189.9p | £9.63211.9p | 18 Sept 2026, 16:31 |
The market shown is a fixed 5-mile radius from the centre of the CF3 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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By fuel grade near CF3
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Filling 50 litres at the cheapest reported station rather than an average-priced one saves about £1.90 today.
Questions about fuel prices near CF3
- Where is the cheapest petrol near CF3?
- The cheapest reported unleaded petrol (E10) within 5 miles of the centre of CF3 is 167.7p per litre at Asda, Pencarn Way - Coedkernew, Newport (NP10 8XL). The local average is 171.5p across 22 forecourts reporting this grade. Prices were last refreshed at 5:31pm on 18 September 2026 from official UK Government fuel price data.
- Where is the cheapest diesel near CF3?
- The cheapest reported diesel (B7) within 5 miles of the centre of CF3 is 189.7p per litre at Asda, Pencarn Way - Coedkernew, Newport (NP10 8XL). The local average is 195.1p per litre.
- How often are fuel prices in CF3 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.