“This area is the hardest area in avodas Hashem”
“have no clue how challenging it is for a man to keep himself holy in this generation”
Based upon this you are obligated to move to a community where full Tznius exists in practice. Gateshead and Lakewood with non Jews does not qualify. Only a place such as Kiryat Yoel or Squaretown will achieve this. If you cannot afford either, then there is a new Chasidish community being formed 2-3 hours away from New York City where houses are going for only $40,000.