the hall of the ashlar building is 45 metres long and 26 metres wide and has an irregular, pentagonal chancel in which the old vestry with its inflexed arch windows and door is located. the three aisles are the same height. chancel and nave have high two-storey, four-panelled round arch windows with tracery and a rich profile. in the cornice beneath the eaves, renaissance figures are visible. the high gable roof has numerous dormers, grouped in a triangle. the onion dome of the west tower, which is flanked by two staircase towers, dates to 1616. the lavishly decorated portal at the west end dates to the period before the great fire and has an ordered ogee arch and "verstabungen".