▁is ▁the ▁Win ch ▁House , ▁also ▁of ▁St ret cher ▁Bond ▁brick . ▁It ▁is ▁open ▁on ▁one ▁side , ▁and ▁has ▁an ▁extended ▁roof ▁that ▁serves ▁as ▁an ▁entrance ▁por ch ▁for ▁the ▁F it ters ' ▁shop . ▁ ▁Two ▁one - story ▁wooden ▁bar ra cks ▁stand ▁to ▁the ▁north ▁of ▁the ▁Engine ers ' ▁Office ▁and ▁F it ters ' ▁shop . ▁R ais ed ▁on ▁tim ber ▁st umps , ▁each ▁is ▁cl ad ▁in ▁weather boards , ▁with ▁a ▁skill ion ▁roof ▁of ▁gal van ised ▁iron , ▁and ▁tim ber - lined ▁e aves . ▁Each ▁has ▁six ▁doors ▁on ▁the ▁southern ▁side . ▁The ▁southern most ▁h ut ▁has ▁six ▁windows ▁on ▁the ▁northern ▁side , ▁but ▁the ▁northern most ▁h ut ▁has ▁a ▁sl iding ▁steel ▁door ▁in ▁place ▁of ▁one ▁of ▁its ▁windows . ▁ ▁Any ▁post ▁ 1 9 7 0 ▁structures ▁and ▁extensions ▁on ▁the ▁site ▁are ▁not ▁significant , ▁nor ▁are ▁the ▁post ▁ 1 9 7 0 ▁internal ▁modifications ▁to ▁the ▁factory ▁buildings ▁significant . ▁The ▁surv iving ▁ground ▁floor ▁of ▁the ▁Ac id ifier ▁House ▁is ▁no ▁longer ▁significant . ▁ ▁Heritage ▁listing ▁ ▁The ▁former ▁Commonwealth ▁Ac et ate ▁of ▁L ime ▁Factory ▁was ▁listed ▁on ▁the ▁Queensland ▁Heritage ▁Register ▁on ▁ 7 ▁December ▁ 2 0 0 7 ▁having ▁satisfied ▁the ▁following ▁criteria . ▁ ▁The ▁place ▁is ▁important ▁in ▁demonstr ating ▁the ▁evolution ▁or ▁pattern ▁of ▁Queensland ' s ▁history . ▁ ▁The ▁remaining