bodmin you have NT Lanhydrock house - awesome house and gardens
The Agar-Robertes family home -and close - taxi's easily available to get you there and back
http://bodminairfield.com/visiting-pilots/
compton abbas -
NT Kingston lacy house or Athelhampton House (not NT)
dunkeswell -
NT Shute Barton Killerton and Knighthayes Houses plus La Ronde at exmouth
there is a farm strip at Branscombe too (near Beer and Seaton) very limited movements
2 more small farm strips in South Devon Salcombe Bolt Head and Halwell South Hams FC
gives you NT Greenway House, and Coleton Fishacre (Agatha Christie and the D'oyly Carte family houses)
Dartmouth restored paddle steamer
Overbeck's house salcombe NT