I understand that there is a strip at Trenant (also known as Trenant
Steading) just north of Polzeath.
The strip is owned by Bob Love, tel 01208-862407 and can be found at
Grid ref SW945794. The owner also runs a campsite popular with surfers
at this location. I understand that the owner flies a C172 from this
location.
Googling Trenant will provide the full address.