Tregadillett is located in the county of Cornwall, South West England, two miles west of the town of Launceston, 21 miles north-west of the major city of Plymouth, 80 miles south-west of Cardiff, and 196 miles west of London. Tregadillett lies three miles west of the Devon border. Tregadillett falls within the unitary authority of Cornwall. It is in the PL15 postcode district. The post town for Tregadillett is Launceston.
Tregadillett is in the ceremonial county of Cornwall, the historic county of Cornwall, and the administrative county of Cornwall.
Tregadillett is situated towards the northernmost extremity of Cornwall, and towards the easternmost extremity of Cornwall.
The nearest postcode to the centre of Tregadillett is PL15 7HT.
Tregadillett is situated roughly centrally between the southernmost and northernmost extremities of the PL15 postcode district, and roughly centrally between the easternmost and westernmost extremities of the PL15 postcode district.
The post town for Tregadillett is Launceston. Tregadillett is in the PL15 postcode district, which corresponds to the post town of Launceston.
The centre of Tregadillett is located at position 50.62908° latitude and -4.40881° longitude.
The centre of Tregadillett is located at the grid reference easting 229732 and northing 83812 within the British National Grid (OSGB36) system.
Position of Tregadillett relative to nearby towns. Distance is measured from the centre of Tregadillett to the centre of the town.
Position of Tregadillett relative to nearby cities. Distance is measured from the centre of Tregadillett to the centre of the city.