Find Diesel and Petrol filling stations anywhere in the UK.
There is a very good website you can register with completely free and using any postcode, find local filling stations and up to date price of fuel. Select your preferences, fuel type, mileage range and frequency of emails. The link on email opens the website with a list of filing stations with latest price and the map showing their location.
Note: Not available as an app
Click the link below
screenshots showing example of email and website