18 Duigan St, Mount Gambier is a 3 bedroom, 2 bathroom House and was built in 2025. The property has a land size of 11310m2 and floor size of 123m2. While the property is not currently for sale or for rent, it was last sold in March 2025. There are other 3 bedroom House sold in Mount Gambier in the last 12 months.
18 Duigan Street, Mount Gambier presents a significant central township development opportunity of approximately 11,300 square metres. The site is well positioned in the established town centre of Mount Gambier, just a short 1.5km walk to major national retailers including Coles, Aldi, Foodland and K-Mart.
The property is contained in one single Certificate of Title and is perfectly positioned in the established inner community of Mount Gambier, creating flexibility to tailor a site design that maximises efficiency and feasibility for astute developers. The 11,300 square metres currently presents as vacant land and is primed for redevelopment.
Mount Gambier a thriving progressive community serving as a major service centre for the Limestone Coast. The area has seen significant local investment in the recent past including the new $57m Community and Recreation Hub currently under construction, just 1.1km from the subject site.
The region has also recently announced a new $60m timber manufacturing mill that will locally produce commercial building timber, generating more local jobs and boosting the local economy.
For more information please contact Colliers as the exclusive selling agents:
Rhys Newman +61 477 881 265
Alistair Mackie +61 412 817 977
Jordan Schmidt +61 403 422 762
The size of Mount Gambier is approximately 26.8 square kilometres. It has 114 parks covering nearly 24.0% of total area. The population of Mount Gambier in 2016 was 25512 people. By 2021 the population was 25591 showing a population growth of 0.3% in the area during that time. The predominant age group in Mount Gambier is 50-59 years. Households in Mount Gambier are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Mount Gambier work in a community and personal service occupation.In 2021, 62.70% of the homes in Mount Gambier were owner-occupied compared with 61.30% in 2016.
Mount Gambier has 13,810 properties. Over the last 5 years, Houses in Mount Gambier have seen a 107.26% increase in median value, while Units have seen a 109.26% increase. As at 31 January 2026:
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