C15 two stage tower has stepped diagonal buttresses to eaves level to all corners and a three-light four-centred arched window in deep recess with returned hoodmould to west elevation.
Above again, a moulded string course with central gargoyles and embattled parapets with ridgeback copings.
North aisle has flat headed three-light C16 west window with four-centred arched lights, incised spandrels and returned hoodmould, flanked to south by small four-centred arched door and to north by clasping buttresses.
Above central window to either side are single light recessed and chamfered C17 windows with four-centred arched lights.
To west is the 1882 south porch with moulded pointed doorcase, flanked by diagonal buttresses and above the porch is a C17 recessed and chamfered clerestory window with leaded lights.
Inner doorcase is C12 with semicircular head and has good panelled Jacobean door with shell motif.
INTERIOR: has three-bay north arcade, two western bays, C12 with semicircular arches on columns with scalloped capitals, eastern bay with tall double-chamfered pointed arch resting on C12 respond to east.
Tower has a tall, double-chamfered C15 arch, to south side of which is a projecting staircase.
It has ogee headed doors with flame finials to architraves, foliage bosses to ribbed ceiling and Gothic Style wall memorials to two of the Cotton family.
Chancel has an unusual C13 stone lecturn built into the north wall and small arched piscinas to either side of the altar.
Numerous monuments, including many to the Port family.
Adjacent to east is a marble slab with incised Latin inscription of 1698 to Johannis Jacton
To the north side of the chancel is a similar slab with its brass missing, there are also two classical slate and marble wall memorials, one to Mary Mainwaring of 1741 and the other to Rebecca Beer of 1829.
To the west, between the chancel and chapel is the tomb of another Sir John Port, who died 1541.
His effigy, flanked by those of his wives are carved in sunken relief leaving a raised border and central band across their figures.
The canopy (mentioned earlier) has carved, spandrels, embattled frieze over and painted coats of arms.
There is another memorial to Cotton family in the north aisle, which has hawk crest to top.
Both aisle and the nave have several other slate and marble memorials, the most notable being that to Jacob Cheetham of c1740, with flat obelisk top and Latin inscription.
Four undated hatchments above arcade and one of 1805 over the tower arch, also a small painted charity plaque to north of tower arch.
Stained glass windows all mid or late C19, with the possible exception of shields in the windows of the north chapel.