[1] Located on a prominent corner site, the post office is a symmetrical two-storey brick building with a hipped roof and projecting stuccoed single-storey arched loggia.

A corner addition above the loggia has a hipped roof extended from the bracketed eaves, wide brick-arched window openings, a Dutch gable and Federation Arts and Crafts lettering in cast cement.

Although the building has had numerous modifications the integrity of the original palazzo form with 1897 Queen Anne loggia, remains visually intact.

[1] The Armidale Post Office is associated with the historical development of the town's civic core and is part of an important precinct centred on the Beardy/Faulkner Streets intersection.

[1] Armidale Post Office was listed on the New South Wales State Heritage Register on 17 December 1999 having satisfied the following criteria.

[1] The place is important in demonstrating aesthetic characteristics and/or a high degree of creative or technical achievement in New South Wales.

An outstanding public building on a key corner site, the Armidale Post Office is part of an important historic precinct centred on the Beardy/Faulkner Streets intersection.

The loggia compares with that on the post office at Narrabri (1879) and possibly that at Richmond (1875) but is enriched by upper-level additions with the Dutch gable motif.