the labor government has agreed to investigate a `vacancy tax` or an extension of land tax to vacant investment properties, after the greens' caroline le couteur called for action on wednesday.ms le couteur wants land tax to extended to all properties unless they are owner-occupied, charitable or farming properties, bringing the act into line with the states. owners of empty apartments are being tackled in melbourne, and will now be investigated in canberra with a possible vacancy tax or extension of land tax. photo: suppliedin canberra, rented homes already attract land tax, but vacant homes are exempt. for a $400,000 property (unimproved value), land tax is about $4000.`it doesn't make sense that you have to pay the government if you rent your house out, but if you leave it empty you don't pay,` ms le couteur said, suggesting the system might have been a historical anomaly because of the number of canberrans posted overseas and leaving their homes empty. greens member caroline le couteur is leading a call for an extension of land tax to vacant properties. photo: jay cronanunder ms le couteur's proposal, such people's homes would attract land tax, which would encourage them to rent out their homes while they were away.`i would argue if you're overseas for two or three years, rent your house out and pay your land tax as a landlord,` she said.adver...