Above a large 5 light C15 window with cusped heads to the lights and panel tracery with brattished transom.
In the west end of the south aisle an early C15 3 light window, ogee heads to the lights and panel tracery.
In the north aisle a C15 3 light window with 4 centred arched head.
C15 double chamfered doorway with above a 3 light window, cusped heads to the lights and rounded head.
3 three light C14 curvilinear traceried windows with mouchettes.
C14 crossing tower with embattled parapet angle pinnacles and set back crocketed spire with 3 tiers of alternating lucarnes.
In the east wall 2 three light C15 Perpendicular traceried windows.
Chancel has 2 pointed 2 light windows, one C14 and reticulated, the other with reset tracery.
C17 4 light chamfered mullioned window in square surround to south chapel east wall, and on the south side a doorway with C19 surround, and 2 reticulated windows in square surrounds, one of 3 lights, the other of 2.
Also a C14 tomb recess with triangular moulded head.
South transept contains a 3 light early C15 panel traceried window and to the south a large window matching the north transept.
The south aisle has 3 C15 3 light windows with Perpendicular tracery and a pair of semi-circular moulded tomb recesses.
C14 gabled south porch with angle buttresses, plain parapet with pinnacles.
Early C15, 4 bay nave arcades, double moulded pointed arches, the outer door continuous, the inner order with half round columns with brattished capitals.
C19 roof in C15 form with brattished ties and traceried spandrels.
4 C15 double chamfered tower arches with octagonal responds and capitals.
Chancel has pointed doorway in north wall and a 2 bay C13 arcade to south chapel, with double chamfered arches, quatrefoil filleted piers and annular capitals.
In the south wall of the chapel a C14 sedilia and piscina, with cusped ogee headed seats, moulded cornice.
C14 octagonal font with cusped panels, on C19 stem.
TF2331 : Gosberton, St. Peter and St. Paul's Church: c14th octagonal font with cusped panels on a c19th stem
Monuments.
He in a cusped ogee headed niche with crocketed pinnacles and censing angels in the spandrels, she on the floor beside him with mantle and cushion.
Wall monument to John Calthrop d. 1785 in nave east wall, marble surround, pedimented with urn.