 The church is oriented east @-@ west , with the main entrance facing westward . It is just over 153 feet ( 47 m ) long from east to west ; 52 feet ( 16 m ) wide from north to south . The walls are made of mosaic gray pressed brick trimmed with Bedford stone , rising from a rock @-@ faced limestone foundation , and are about 40 feet ( 12 m ) high . The peak of the roof is about 70 feet ( 21 m ) above ground level . 
