In the lower part of the central section is a three-bay arcade, each arch containing a window.
They walk past an arch containing a relief, Entering the Gateway, similar to that on the front door.
The arches themselves are robust and contain small but distinct jugal bones.
The middle section features three blind arches on each side, each arch containing a window.
The first arch also contains offices and maintenance and restoration workshops that are not open to the public.
The arch next to it formerly contained the base of a defensive gatehouse that was demolished in 1781.
The west front has a pair of arched doorways under a larger arch containing a roundel.
On its west side is a large arch containing a three-light mullioned and transomed window.
The zygomatic arch is robust and contains a small but distinct jugal bone.
In its lower tier is a round-headed arch containing the bell, with a smaller round-arched opening above.