Geographical Influence: Dual influence in the formation of national characteristics. Isolation by sea promoted various characteristics time to time. Geological Influence: Varied geological formation of Great Britain was responsible for the variety of materials employed in building. Example: Bathe stone, granites, sandstone, marble, timber Climatic Influence : Temperate and humid climate of England with its searching winds and driving rain had its effect upon the plan and certain features of building. Porches: planned at side aisle and are deep and narrow to act as screen against direct wind. Traceried Windows: offer light to the dull interior as there is absence of direct sunlight. High pitched roof: to throw off snow and rain. ⇒⇒⇒⇒⇒