Architectural Features
Stepped set back buttresses, partly in brick, with "toothache" carving on south west angle.
C15 tall 2 light transomed belfry lights with panel tracery, moulded surrounds and shafted reveals.
C14 3 light west window with flowing tracery mouchettes.
Above a niche with nodding ogee head containing a figure of a bishop.
The west window is C15, 3 light
panel traceried, to the north are 5 C14 3 light cusped ogee headed windows in rectangular surrounds and a moulded pointed doorway.
C14 clerestorey with 5 paired lights cusped to both sides.
South wall has 2 late C14 3 light windows with pointed heads, moulded surrounds having cusped flowing tracery with rectilinear centre panels.
The south aisle has single 3 light C15 east and west windows and in the south wall 4 three light windows matching those to the north.
Gabled C15 porch with moulddd outer arch and clustered filleted shafted reveals.
5 bay C14 nave arcades, octagonal piers and capitals, double chamfered arches.
C14 tower arch, double chamfered, dying into the reveals.
Into the north chapel is an early C14 double chamfered arch in the north wall of the chancel with sunk wave shafted reveals.
Immediately behind is a probably repositioned C14 double chamfered arch with octagonal responds and capitals.
C20 stained glass in chancel commemorating association between Willoughby in America and in the south aisle a window recording the baptism of John Smith, the founder of Virginia in 1580.
C19 including panelled ashlar pulpit.
C15 octagonal font with bell moulded base, plain stem, shields to the sides of the bowl and an angel.
TF4771 : Font, St Helena's church, Willoughby
In the tower a probably late medieval ladder gives access to the bell chamber.