Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 144.3p 2.6% (+3.7p) 7d avg: 142.4p Hold off if you can | Super Unleaded (E5) 162.2p 2.5% (+4p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 165.8p 3.9% (+6.2p) 7d avg: 162.7p Hold off if you can | Super Diesel (SDV) 186.5p 4% (+7.2p) 7d avg: 183.1p Hold off if you can |
Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 144.3p 2.6% (+3.7p) 7d avg: 142.4p Hold off if you can | Super Unleaded (E5) 162.2p 2.5% (+4p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 165.8p 3.9% (+6.2p) 7d avg: 162.7p Hold off if you can | Super Diesel (SDV) 186.5p 4% (+7.2p) 7d avg: 183.1p Hold off if you can |

Fuel Prices in St Austell, Carlyon Bay, Charlestown, Trewoon

Live comparison for PL25 area. Tracking 5 stations across 27 brands. For a detailed breakdown including 7-day price trends, market competition analysis, and savings tips, and also find Today’s Cheapest Petrol and Diesel in St Austell, Carlyon Bay, Charlestown, Trewoon .

South West 5 Stations 4 Brands
Updated 19 Mar 2026
View St Austell, Carlyon Bay, Charlestown, Trewoon on the Fuel Map

Compare all 5 stations visually on our interactive map to find the cheapest fuel near your route.

7-Day Price Movement
Petrol (E10)
142.6p 145.5p
2.9p (2%)
Diesel (B7)
160.7p 165.9p
5.2p (3.3%)
Cheapest Today
Petrol
TESCO
DANIELS LANE, ST AUS...
140.9p
View Details
Super Unleaded
TESCO
DANIELS LANE, ST AUS...
149.9p
View Details
Diesel
TESCO
DANIELS LANE, ST AUS...
159.9p
View Details
Super Diesel
EG ON THE MOVE
1 PENWINNICK ROAD, S...
180.9p
View Details
Area Averages vs National
Petrol
143.8p
▼ 0.5p vs UK Avg
Super Unleaded
158.4p
▼ 3.8p vs UK Avg
Diesel
164.8p
▼ 1.0p vs UK Avg
Super Diesel
186.9p
▲ 0.4p vs UK Avg
All Fuel Stations in St Austell, Carlyon Bay, Charlestown, Trewoon (PL25)
ASDA
CROMWELL ROAD, SAINT AUSTELL, ENGLAND
E10
141.7
B7
160.7
12 minutes ago
TESCO
DANIELS LANE, ST AUSTELL, ENGLAND
E10
140.9
E5
149.9
B7
159.9
12 minutes ago
EG ON THE MOVE
1 PENWINNICK ROAD, ST AUSTELL, CORNWALL, UNITED KINGDOM
E10
145.9
B7
165.9
SDV
180.9
20 minutes ago
EG ON THE MOVE
1 PENWINNICK ROAD, ST AUSTELL, CORNWALL, UNITED KINGDOM
1 month ago
TEXACO
BY-PASS FILLING STATION, SOUTHBOURNE ROAD, ST. AUSTELL, PL25 4RS, ST. AUSTELL, England
E10
146.9
E5
166.9
B7
172.9
SDV
192.9
20 minutes ago
Frequently Asked Questions About Fuel in St Austell, Carlyon Bay, Charlestown, Trewoon

As of 19 March 2026, the cheapest E10 petrol in St Austell, Carlyon Bay, Charlestown, Trewoon is 140.9p at TESCO, DANIELS LANE, ST AUSTELL, ENGLAND.

There is currently a 6.0p difference between the cheapest and most expensive stations in St Austell, Carlyon Bay, Charlestown, Trewoon. For a standard 55-litre family car, that equals a saving of £3.30 per tank.

We update prices daily using data provided directly by fuel stations via the Competition and Markets Authority (CMA) Open Data scheme. This is a UK Government initiative requiring all major retailers to report live prices, ensuring you see the most accurate data for the Cornwall area.

Not today. TESCO is actually cheaper than local supermarkets in PL25. It's always worth comparing before filling up.

We are currently tracking 5 active fuel stations in the PL25 area, operated by 4 different brands including EG ON THE MOVE, ASDA, TESCO and more.

The cheapest B7 diesel in St Austell, Carlyon Bay, Charlestown, Trewoon is currently 159.9p at TESCO. You can also use our interactive fuel map to compare diesel prices visually.

Prices sourced from the UK Government CMA Open Data Scheme, updated every 30 minutes. CheckFuelPrices is editorially independent — read our policy.