of plaster board, expanded metal lath and plaster to parts of first floor; v-jointed timber lining boards in kitchen Floor: Sandstone, rendered brick, hardwood boards and skirtings Ceiling: beaded pine boarding, fibro cement, finished concrete Roof: corrugated galvanised iron; terracotta tile to the annexe The 1941 works involved expanding the mail room to the ground floor, the abolition of the first floor quarters and the expansion of the telephone exchange. The ground floor exchange room received an additional level, and the first floor chimneys, servicing the quarters were removed, and the corridor abolished and the rooms partitioned and altered variously to their new use. The quarters entrance and stair from Grafton Street were also abolished and a new service stair – in addition to the external stair in the loggia – was constructed on the site of the former rear verandah, which was sited at the junction of the two wings. The ground floor public areas were also altered with the former ground floor telephone exchange space absorbed into the public area and mail room space, allowing an expansion of both. The entrance doors were relocated into a new vestibule space which led to the expanded public space along the Grafton Street frontage and new doors – still extant but not used – were installed into a former window opening to the Grafton Street loggia. The vestibule works have subsequently been reversed. The east wall was opened out at the ground floor to allow for an expanded mail room and improved staff amenities, and the first floor provided space for equipment and a battery room. This was followed by a series of internal fitouts through the whole complex, culminating in the conversion of the public area to the standard Australia Post retail format in the 1990s. The mail boxes have been relocated away from their original location on the ground floor verandah. Heritage listing Warwick Post Office was listed on the Australian Commonwealth Heritage List on 8 November 2011 having satisfied the following criteria. Criterion A: Processes Warwick Post Office, constructed in 1898, is located on a prominent corner site within a centre renowned for its substantial buildings made from the abundant local sandstone. Its scale and architectural treatment reflect Warwick's prosperity and development in the nineteenth century. Criterion B: Rarity Warwick Post Office is distinct among public buildings in Queensland, and possibly more broadly, in that it adopts a