Live prices
Cheapest diesel (B7) in Cardiff
23 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Cardiff is 174.9p per litre at Tivoli Service Station, Tivoli Service Station, 14, Station Road, Llandaff North, Cardiff (CF14 2FF). The average across 23 forecourts currently reporting this grade is 181.4p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £3.25 on a 50-litre fill. That local average is 0.5p per litre below the UK average of 181.9p.
The average is unchanged since yesterday. The average has fallen 0.4p per litre since last week.
Prices last refreshed at 8:31pm on 14 August 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
| Tivoli Service Station (CF14 2FF)Tivoli Service Station, 14, Station Road, Llandaff North, Cardiff | 158.9p | 174.9p | 166.9p | 179.9p | 14 Aug 2026, 19:31 |
 BP (CF15 7UN)24hNant Garw Hill, Cardiff, Mid Glamorgan | 158.9p | 176.9p | 177.9p | 195.9p | 14 Aug 2026, 19:31 |
 Asda (CF11 8AZ)24hCapital Retail Park-leckwith Road, Cardiff | 161.7p | 179.7p | -- | -- | 14 Aug 2026, 19:31 |
| Asda (CF14 7EW)24hLongwood Drive, Coryton Roundabout, Cardiff | 161.7p | 179.7p | -- | -- | 14 Aug 2026, 19:31 |
 Tesco (CF14 6BN)Tesco Express, Tyn-y-parc Road, Cardiff | 160.9p | 179.9p | 170.9p | -- | 14 Aug 2026, 19:31 |
| Tesco (CF3 0EF)Tesco Stores Ltd, Crickhowell Road, ST. Mellons, Cardiff | 160.9p | 179.9p | 170.9p | -- | 14 Aug 2026, 19:31 |
| Tesco (CF14 3AT)24hExcelsior Estate, Excelsior Road, Cardiff | 161.9p | 179.9p | 171.9p | -- | 14 Aug 2026, 19:31 |
| Tesco (CF5 6XQ)24hCulverhouse Cross, Cardiff | 161.9p | 179.9p | 172.9p | -- | 14 Aug 2026, 19:31 |
| Asda (CF23 8NL)8 Dering Road, Pontprennau, Cardiff | 161.9p | 179.9p | -- | -- | 14 Aug 2026, 19:31 |
 Esso (CF5 1BP)24hCowbridge Road East, Cardiff, Mid Glamorgan | 162.9p | 179.9p | 181.9p | 198.9p | 14 Aug 2026, 19:31 |
| Esso (CF11 9HA)24hCathedral Road, Cardiff, South Glamorgan | 162.9p | 179.9p | -- | 198.9p | 14 Aug 2026, 19:31 |
 Sainsbury's (CF14 9BB)District Shopping Centre, Excalibur Drive, Thornhill, Cardiff | 161.9p | 180.9p | 173.9p | -- | 14 Aug 2026, 19:31 |
| Esso (CF5 2PY)Llantrisant Road, Cardiff | 161.9p | 181.9p | 180.9p | -- | 14 Aug 2026, 19:31 |
| Asda (CF11 0JR)24hFerry Road Retail Park, Cardiff | 162.9p | 181.9p | -- | -- | 14 Aug 2026, 19:31 |
 Texaco (CF3 5UG)24hST. Mellons Service Station, Newport Road, Old ST. Mellons, Cardiff | 162.9p | 181.9p | 182.9p | -- | 14 Aug 2026, 19:31 |
| Sainsbury's (CF23 9XN)Colchester Avenue, Penylan, Cardiff | 162.9p | 181.9p | -- | -- | 14 Aug 2026, 19:31 |
| Texaco (CF5 2PW)Llantrisant Road, Llandaff, Cardiff | 163.9p | 181.9p | 181.9p | -- | 14 Aug 2026, 19:31 |
| Texaco (CF14 4HT)Three Arches Services Ltd, Heathwood Road, Cardiff, CF14 4HT, Cardiff | 162.9p | 182.9p | -- | -- | 14 Aug 2026, 19:31 |
 Valero (CF11 8WD)24hHadfield Road, Cardiff, Glamorgan | 161.9p | 184.9p | 181.9p | 204.9p | 14 Aug 2026, 19:31 |
| Esso (CF11 7AS)24h235 Corporation Road, Cardiff, Glamorgan | 162.9p | 185.9p | 179.9p | 199.9p | 14 Aug 2026, 19:31 |
| Esso (CF23 9AE)24hNewport Road, Cardiff, South Glamorgan | 163.9p | 185.9p | 179.9p | 199.9p | 14 Aug 2026, 19:31 |
| Valero (CF23 9AD)24hNewport Road, Cardiff, South Glamorgan | 163.9p | 185.9p | 175.9p | -- | 14 Aug 2026, 19:31 |
| Texaco (CF23 7XH)24hPentwyn Service Station, Pentwyn Road, Pentwyn, Cardiff | 164.9p | 185.9p | 184.9p | 203.9p | 14 Aug 2026, 19:31 |
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 diesel (B7) appear here.
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Questions about diesel (B7) in Cardiff
- Where is the cheapest diesel (B7) in Cardiff?
- The cheapest reported diesel (B7) in Cardiff is 174.9p per litre at Tivoli Service Station, Tivoli Service Station, 14, Station Road, Llandaff North, Cardiff (CF14 2FF). The average across 23 forecourts reporting this grade is 181.4p per litre. Prices were last refreshed at 8:31pm on 14 August 2026 from official UK Government fuel price data.
- How many stations in Cardiff sell diesel (B7)?
- 23 forecourts in Cardiff currently report a price for diesel (B7) through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.