Petrol Stations in CARDIFF BAY
Compare live petrol and diesel prices at 1 petrol station in CARDIFF BAY. Cheapest fuel near you, updated every 5 minutes.
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11°C
Drizzle
Avg Unleaded
155.9p
Avg Diesel
181.9p
Cheapest Unleaded
155.9p
Cheapest Diesel
181.9p
+CARDIFF BAY unleaded is currently 155.9p — 2.3p below the UK national average of 158.2p
Nearest Alternatives
Other stations within 15 miles. Is the drive worth it?
RONTEC BURNHAM
BURNHAM-ON-SEA · TA8 1EW · 16.9 miles away
156.9p
petrol
188.9p
diesel
EG BURNHAM ON SEA PFS
BURNHAM ON SEA · TA8 2PG · 16 miles away
156.9p
petrol
186.9p
diesel
J. Plimley & Son
BURNHAM-ON-SEA · TA8 2SF · 13.2 miles away
165.0p
petrol
198.0p
diesel
WESTON-SUPER-MARE SUPERSTORE - PETROL FILLING STATION
WESTON-SUPER-MARE · BS23 1XG · 11.6 miles away
157.9p
petrol
189.9p
diesel
RONTEC FOUR CROSS
BARRY · CF62 4JA · 10.3 miles away
156.9p
petrol
187.9p
diesel
ASDA BARRY SUPERSTORE
BARRY · CF62 5AT · 5.6 miles away
156.7p
petrol
185.7p
diesel
MFG MORRISONS BARRY
BARRY · CF63 4BA · 5.1 miles away
156.7p
petrol
184.7p
diesel
SHELL BARRY
BARRY · CF62 7LT · 5.8 miles away
160.9p
petrol
189.9p
diesel
Fuel cost assumes 40 mpg round trip at the alternative station's price.
The Station in CARDIFF BAY
Brands in CARDIFF BAY
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Guide to Fuel Prices in CARDIFF BAY
CARDIFF BAY has 1 petrol stationreporting live prices through the UK government's mandatory fuel price transparency scheme. Average unleaded (E10) is currently 155.9p per litre, with diesel (B7) at 181.9p per litre. The cheapest unleaded right now is 155.9p at MFG MORRISONS CARDIFF BAY (CF11 0JP).
Nearby towns with cheaper unleaded: Caerphilly (154.2p, 9.3 mi). A short detour can save up to £0.94on a 55-litre fill — though factor in fuel for the round trip.
Across all UK cities tracked by PetrolFinder, CARDIFF BAY unleaded is 2.3p below the national average of 158.2p — driven by the local mix of supermarket vs branded forecourts and competition between 1 fuel brand operating in the area. Use the route planner to find the cheapest stop on your journey, or browse the price heatmap to spot regional bargains.
CARDIFF BAY Snapshot
Stations1
Avg Unleaded155.9p
Cheapest Unleaded155.9p
Avg Diesel181.9p
Cheapest Diesel181.9p
Brands1
Petrol & Diesel FAQs for CARDIFF BAY
Where is the cheapest petrol in CARDIFF BAY?
The cheapest unleaded (E10) petrol in CARDIFF BAY is currently 155.9p per litre at MFG MORRISONS CARDIFF BAY (CF11 0JP). The average across 1 stations in CARDIFF BAY is 155.9p per litre. Prices update every 5 minutes from official UK government data.
Where is the cheapest diesel in CARDIFF BAY?
The cheapest diesel in CARDIFF BAY is currently 181.9p per litre, with an average of 181.9p across 1 stations. That's 4.9p below the UK national diesel average of 186.8p.
Are supermarket petrol stations cheaper in CARDIFF BAY?
CARDIFF BAY only has supermarket forecourts in our data — there are no branded stations like Shell or BP to compare against in this area.
Which towns near CARDIFF BAY have cheaper petrol?
Caerphilly (154.2p, 9.3 mi) all have lower average unleaded prices than CARDIFF BAY's 155.9p. A short detour can save up to £0.94 on a 55-litre fill — factor in fuel for the round trip.
How often are CARDIFF BAY fuel prices updated?
Prices for the 1 petrol stations in CARDIFF BAY are updated every 5 minutes using the UK Government Fuel Finder API under The Motor Fuel Price (Open Data) Regulations 2025. Retailers are legally required to report price changes within 30 minutes.