Cheapest Petrol Prices in Llanishen
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
171.7p
per litre · avg 175.44p
Cheapest Diesel (B7)
196.7p
per litre · avg 199.78p
Compare live petrol and diesel prices across 20 fuel stations in Llanishen. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Llanishen today is 171.7p per litre, available at ASDA CARDIFF CORYTON SUPERCENTRE.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Llanishen. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Llanishen
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| MFG MORRISONS CARDIFF TYGLASS | 172.9p | 196.9p | 189.9p | — |
| SAINSBURYS THORNHILL | 172.9p | 198.9p | 184.9p | — |
| Texaco Three Arches Services | 175.9p | 199.9p | — | — |
| CARDIFF TYN-Y-PARC EXPRESS | 172.9p | 197.9p | 182.9p | — |
| Pentwyn Service Station | 176.9p | 203.9p | 196.9p | 223.9p |
| CITY FILLING STATION | 173.9p | 199.9p | — | — |
| CARDIFF EXTRA - PETROL FILLING STATION | 172.9p | 196.9p | 182.9p | — |
| Tivoli Service Station | 175.9p | 201.9p | 185.9p | 209.9p |
| ASDA CARDIFF CORYTON SUPERCENTRE | 171.7p | 196.7p | — | — |
| ASDA PENTWYN SUPERSTORE | 173.9p | 197.9p | — | — |
| WELCOME BREAK CARDIFF | 178.9p | 203.9p | 190.9p | 215.9p |
| ASDA LLANTRISANT EXPRESS PETROL | 176.9p | 201.9p | 193.9p | — |
| MFG MORRISONS CARDIFF NEWPORT ROAD | 173.9p | 198.9p | 189.9p | 208.9p |
| SAINSBURYS COLCHESTER AVENUE | 174.9p | 198.9p | — | — |
| ASDA RADYR EXPRESS PETROL | 176.9p | 201.9p | 195.9p | — |
| MFG CARDINAL | 174.9p | 199.9p | 189.9p | — |
| MFG PREMIER | 174.9p | 199.9p | 195.9p | 219.9p |
| MFG CARDIFF | 174.9p | 199.9p | 195.9p | 219.9p |
| RONTEC CATHEDRAL | 173.9p | 199.9p | — | 218.9p |
| Dimes - London | 188.9p | — | — | 18.4p |
Frequently Asked Questions
What is the cheapest petrol price in Llanishen?
The cheapest petrol in Llanishen is currently 171.7p per litre as of 21 October 2026. The average across all stations is 175.44p.
Which supermarket has the cheapest fuel in Llanishen?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Llanishen. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Llanishen?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.