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Average Petrol Price in Monmouthshire

Petrol (E10)174.2p
Diesel (B7S)200.4p

Today the average petrol price in Monmouthshire is 174.19p per litre. 1.6p higher than the average price in Wales.

The current average price of diesel is 200.38p per litre. 1.8p above the Welsh diesel average.

We calculate the daily averages by analysing price data from the 20 petrol stations in Monmouthshire that are sending price changes to the Fuel Finder system.

Cheapest Petrol in Monmouthshire

The cheapest petrol in Monmouthshire is in Chepstow (168.2p per litre).

Currently, buying 60 litres of petrol in Chepstow costs £8.84 less than in Monmouth (182.9p per litre).

Average Fuel Prices by City/Town

Select a town or city to view local petrol station price data.

TOWN/CITY STATIONS PETROL DIESEL
Abergavenny4175.40p199.65p
Caldicot2173.40p202.40p
Chepstow4168.17p198.10p
Monmouth3182.90p202.23p
Usk2172.40p199.40p

Average petrol prices last updated at 28 Oct 2026 10:00 (20 hours, and 38 minutes ago).

Petrol & Diesel Price Trends

The average price of petrol in Monmouthshire has decreased by 1.4p in the last week. Diesel has risen by 0.3p.

In the last month petrol has dropped by 2p and. and diesel has risen by 0.4p.