Where is the cheapest petrol in Vale of Glamorgan?

Penarth Superstore - Petrol Filling Station (Penarth) at 171.9p for E10 (Unleaded), reported unchanged 1 d.

Is fuel cheaper in Vale of Glamorgan than the UK average?

Vale of Glamorgan's average for E10 (Unleaded) is 174.8p, 0.2p above the UK average of 174.5p.

How often are these prices updated?

Forecourts must report a price change to the government's statutory price reporting scheme within 30 minutes, and we collect every 15 minutes. A price that has not changed keeps its original report time, so an older time means an unchanged price, not missing data.

Cheapest petrol in Vale of Glamorgan today

E10 from 171.9p to 177.9p across 10 forecourts · updated 30 Sept, 17:23

Cheapest now

171.9p

Penarth Superstore - Petrol Filling Station

Penarth · reported unchanged 1 d

Vale of Glamorgan average

174.8p

0.2p above the UK

Spread

6.0p

= £3.00 on a 50 L tank

Ranked by price then name. Never by who pays us.

Vale of Glamorgan on the map

Every forecourt here as a price marker, with your own location if you choose to share it.

Open the live map →

All 10 forecourts, cheapest first

#	Forecourt	Area	E10	Diesel	Reported
1	Penarth Superstore - Petrol Filling Station	Penarth	171.9p	195.9p	unchanged 1 d
2	Asda Barry Superstore	Barry	173.7p	199.7p	unchanged 2 d
3	MFG Morrisons Barry	Barry	173.7p	199.7p	unchanged 2 d
4	Culverhouse Cross Extra - Petrol Filling Station	Cardiff	173.9p	196.9p	unchanged 1 d
5	Tudor Garage	Cowbridge	173.9p	199.9p	17:23 today
6	Cardiff Road Service Station	Barry	174.9p	198.9p	unchanged 1 d
7	Dinas Powys Service Station	Dinas Powys	174.9p	201.9p	unchanged 5 d
8	Asda Downs Express Petrol	Cowbridge	175.9p	199.9p	unchanged 4 d
9	Rontec Four Cross	Barry	176.9p	199.9p	unchanged 1 d
10	Shell Barry	Barry	177.9p	199.9p	unchanged 2 d

Compiled by the Petrol Price Map data desk. How this is measured: each price is the forecourt's own, as it reported it; the Vale of Glamorgan average is the mean E10 price of the forecourts listed, and the UK comparison is the same mean across every UK forecourt, across 10 forecourts. Newest price received 30 Sept 2026, 17:23 (UK time). Full method

E10 prices at 10 forecourts in Vale of Glamorgan, grouped into price bands; each bar is the number of forecourts in that band, and the darker bar holds the cheapest. Prices as reported up to 30 Sept 2026, 17:23.

1 forecourt has not reported a E10 change in over 7 days

Listed apart and left out of the figures above: the price may still be right, but we cannot say it is current.

P W Millar174.9p · unchanged 7 d