Petrol prices in St Mary's

Compare current petrol (E10) across 1 St Mary's forecourts. Check the lowest listed price, local average and map before choosing where to fill up.

Lowest listed petrol forecourt in St Mary's

209p/l

Lowest listed petrol price in St Mary's

Island Carriers<0.1 mi from St Mary's centre

Directions Station details

Petrol local average: 209p/l
Local forecourts: 1
UK comparison: Above

Prices checked 20 Oct 2026, 08:21

Live local prices

Current petrol prices in St Mary's

1 current petrol (E10) prices from 1 St Mary's forecourts listed as stocking petrol.

Prices checked 20 Oct 2026, 08:21. Individual rows show when that forecourt price was reported.

Current petrol prices in St Mary's. Ranked by Petrol (E10) price.
Forecourt	Postcode and report	Petrol(E10), selected ranking	Distancefrom Isles Of Scilly centre	Opening times	Actions
1Island CarriersIndependent forecourt	TR21 0JYReported 17 Oct 2026, 12:39	209pCheapest	Distance: <0.1 mi	Hours vary by dayMonday: 08:00 - 17:00; Tuesday: 08:00 - 17:00; Wednesday: 08:00 - 17:00; Thursday: 08:00 - 17:00; Friday: 08:00 - 17:00; Saturday: 08:00 - 17:00; Sunday: 00:00 - 00:00; Bank holidays: 08:00 - 17:00	Details

How to read this page

About petrol prices in St Mary's

Coverage, freshness and comparison scope matter as much as the headline price.

St Mary's has 1 forecourts listed as stocking petrol (E10), with current prices available from 1. The table ranks forecourts by current petrol (E10) price, with distance and station name used to order equal or unavailable prices. Station status, distance and update freshness remain visible for comparison.

This page focuses on Petrol (E10) using official UK Fuel Finder data, local averages, regional benchmarks and UK average comparisons where coverage is available.

Thirty-day evidence

Thirty-day petrol (E10) price trend

Thirty-day petrol (E10) trends, local comparisons and potential savings from official UK Fuel Finder data.

210p191p171p

Average price

209p/l

20 Sept to 19 Oct

30-day low: 205p/l
30-day high: 209p/l
Movement (30 days): +4p/l
Volatility: Low

Jerry's petrol trend read

Petrol in St Mary's rose 4p/l, from 205p/l on 20 September to 209p/l on 19 October. Over the latest 7 days, the average rose 4p/l, which continues the wider rise. St Mary's's current average is 34.9p/l above the UK average. Daily movement volatility is low.

Consistency, not just today's lowest

A consistently competitive petrol forecourt

This recommendation requires at least 21 completed reporting days and a current price no higher than the local average.

Island Carriers

209p/l today

Matches St Mary's average today

Near cheapest: Within 1p on 30 of 30 days
Daily cheapest: Cheapest on 30 of 30 days
Average gap: 0p/l average gap
Evidence: 30 of 30 days reported

Directions Station details

Island Carriers stayed within 1p/l of the daily cheapest petrol price on 30 of 30 reported days, averaging 0p/l above the daily cheapest price.

Price choice

Potential petrol savings

Cheapest versus average is the practical comparison. Cheapest versus highest is the maximum listed difference, not a guaranteed saving.

Current local price range

0p/l

209p/l cheapest, 209p/l highest

Cheapest versus local average: £0.00 less than the local average on a 55-litre fill
Cheapest versus highest: £0.00 maximum listed difference on a 55-litre fill

Comparing current petrol prices in St Mary's can avoid paying up to 0p/l more than the cheapest listed price.

Petrol (E10) compared with nearby locations

Ranked by current average petrol price. St Mary's is highlighted so the local baseline remains easy to find.

Penzance has the lowest nearby average shown at 171.7p; it is 37.3p/l cheaper than St Mary's.

Local market evidence

Petrol market in this location

Distribution, station consistency and forecourt type provide different evidence. None is treated as a guarantee of the next pump price.

Price distribution

209p/l1 stations

All reporting petrol forecourts in St Mary's currently list the same price.

Cheapest station consistency

1Island Carriers30 days

Supermarkets and other forecourts

Supermarkets: No price
Major brands: No price
Independent forecourts: 209p/l

Named local evidence: Independent forecourts.

Where value persists

Petrol brand reliability over 30 days

Historical claims render only when the documented reporting thresholds are met.

No brand has at least two St Mary's forecourts and 14 days of petrol evidence for a reliable 30-day comparison.

Areas with the cheapest petrol in St Mary's

1Old Town1 reporting, 0 below average209p/l

Good to know

Fuel price FAQs for St Mary's

Use the current local evidence to choose a forecourt, compare nearby places and understand how coverage and freshness affect the figures.

Where is the cheapest petrol (E10) in St Mary's today?

The cheapest listed petrol (E10) price in St Mary's is 209p/l at Island Carriers. Check the table before travelling because distance, opening status and recent updates can affect the best choice.

How are St Mary's petrol (E10) forecourts ranked?

Forecourts are ranked by their current petrol (E10) price first. If prices are tied or unavailable, the table uses distance and station name. Use the forecourt comparison to sort and inspect the current results.

Are petrol (E10) prices in St Mary's below the UK average?

Petrol is above the UK average by 34.9p/l. These comparisons use current location averages and the latest benchmark data available to the page.

How recent are the St Mary's fuel prices on this page?

Prices checked 20 Oct 2026, 08:21. Individual prices can remain unchanged between checks until a retailer reports a price change.

Why do some St Mary's forecourts not show a current petrol (E10) price?

A forecourt can be listed when it is known to stock petrol (E10), even if there is not a current reported price available for that fuel. The price table keeps those stations visible but prioritises forecourts with current prices.

Should I compare nearby locations before filling up in St Mary's?

Nearby comparisons currently show Penzance at 171.7p/l, 37.3p/l cheaper than St Mary's, Hayle at 177.5p/l, 31.5p/l cheaper than St Mary's and Helston at 173.4p/l, 35.6p/l cheaper than St Mary's. Compare Penzance, Hayle, Helston and Redruth.

How can I compare fuel prices around my current location?

Use cheapest petrol near me for a distance-led comparison based on your current position.

Built on real fuel-price data

Prices are sourced from the UK Government Fuel Finder scheme. Prices checked 20 Oct 2026, 08:21. See how we qualify and compare prices

Retailer reporting target: 30 minutes