Allan was runner-up in the Social Issues in Diagnosis short story contest. His story was profiled in an article in the Dominion Post on 21 Nov 2014.

Allan's ‘Transit of Venus’ was shortlisted for the 2013 Bristol Prize, and appears in the corresponding anthology (BSSP Volume 6).

‘Something Like That’ and ‘Sometimes You Just Gotta Go’ were both runners-up in the 2013 Christine Cole Catley Short Story Award.

An abbreviated version of ‘Somewhere’ won the 2012 Ingenio Short Story Prize, while ‘Everyday Easy’ was commended in the same competition. 

What in Me is Dark, Allan's novel manuscript about the life of John Milton, was shortlisted for the Kill Your Darlings Unpublished Manuscript Award in July 2018

Allan's historical short story about John Milton, 'Blind, blind', was shortlisted for the inaugural UK Historical Writers' Association Short Story Prize in September 2017.

Allan's short story 'Wharekaho Beach, 1944' was runner up in the 2017 Overland-VU Short Story Competition.

Allan's flash fiction "Kinaesthesia" was short-listed and then highly commended in the 2017 National Flash Fiction Day (NFFD) competition.