Latest snapshot
Over the past 29 days, Costco diesel has eased the most across the UK — down about 10.2p to 171.0p a litre on average.
7 of 20 Costco petrol stations we track saw a meaningful move.
Costco’s pump prices shift constantly. This page tracks how they’ve moved across the UK, refreshed daily from a rolling 30-day price history — so it shows the recent direction, not just one day’s number. For the live price near you right now, see the live UK Costco petrol price map. Below: which grade moved most and the individual warehouses with the biggest drops and increases.
Which grade moved most
| Grade | Avg now | Change (~29d) |
|---|---|---|
| diesel | 171.0p | ▼ 10.2p decrease |
| unleaded petrol | 149.4p | ▼ 1.3p decrease |
| super unleaded | 161.2p | ▲ 0.2p increase |
Biggest individual price changes
Biggest drops — cheaper petrol
| Warehouse | Location | Now | Change |
|---|---|---|---|
| Birmingham | Birmingham | 142.9p | ▼ 5.0p decrease |
| Chester | Chester | 150.9p | ▼ 3.0p decrease |
| Haydock | Haydock | 147.9p | ▼ 3.0p decrease |
| Leicester | Leicester | 150.9p | ▼ 3.0p decrease |
| Thurrock | Thurrock | 145.9p | ▼ 3.0p decrease |
Frequently asked questions
Are Costco petrol prices going up or down right now?
It changes week to week. This page recaps the recent direction in pence per litre for unleaded, super unleaded, and diesel across Costco’s UK filling stations, then lists the individual sites with the biggest drops and increases. The snapshot box up top names the biggest mover right now.
How often do Costco petrol prices change?
Costco adjusts its forecourt prices frequently to stay under the local average. We refresh this page daily from a rolling 30-day history, so it shows the recent trend rather than a single day’s number.
Where is Costco petrol cheapest in the UK right now?
Costco fuel is members-only and usually among the cheapest in each town, but the exact price differs by site. Our UK page lists every Costco filling station with its current unleaded and diesel price.
Why did Costco petrol prices change recently?
Costco buys finished fuel from the same wholesalers as the supermarkets, so its prices track the wholesale market plus fixed fuel duty and VAT — crude-oil moves and refinery margins feed through, and Costco typically passes them on quickly at a thin margin.
How do you measure the “biggest movers”?
For each filling station we compare the latest price against roughly a month earlier, using the same 30-day history behind our charts, then rank the sites by that change. Stations without a comparable earlier reading are excluded, and moves under about 1.5p/L are treated as flat.
Costco petrol price trends in other countries
Prices move differently in each market. See the latest recap for the U.S., Canada, Australia, and Mexico.
How we measure this: for every Costco petrol station we compare the latest price against roughly a month earlier, using the same 30-day history behind our price charts. This page is refreshed daily; prices change constantly and vary by location, so always confirm at the pump. This site is independent and not affiliated with Costco Wholesale Corporation.
