How high is shildon co durham above sea level?

According to MapCarta:

"Shildon is in County Durham, North East England and has a population of approximately 10,299. Shildon's location is 54° 38' (54.633333°) north latitude, 1° 39' (1.65°) west longitude, and Shildon has an average elevation of about 149 meters above sea level."