The map you provide must be of a standard that clearly demonstrates your planned operation.
You can use digital mapping software, which enables you to produce maps to the required standard.
If you use digital mapping software, you need to submit maps in JPEG format.
Where can I get a map?
Paper maps and digital data are available from different source, including Ordnance Survey.
Find the product you need via the business partner page (Ordance Survey website)
What about copyright?
You should confirm the copyright of the map with the producer. If you want to copy Ordnance Survey based maps you must be licensed by Ordnance Survey or apply for permission each time a copy is needed.