Piermount-operated $30m Mount Barker hotel plan resubmitted

Heysen Hotel Freehold has lodged revised plans with Mount Barker District Council for a $30 million hotel on Heysen Boulevard, after a change to the site’s boundaries since the project was first approved in September 2022. The hotel is proposed to be operated by Piermount.

Why it matters

The site has been contested since the original approval. Objectors have raised the removal of native vegetation and six regulated trees, including two significant Tasmanian Blue Gums and a significant Spotted Gum, along with the demolition of an existing house on the land. A 2025 Licensing Court hearing tested the venue’s gaming licence on community-interest grounds, with an objector citing problem gambling risk and mortgage stress in the district. The presiding judge found the hotel was in the community interest but attached gaming conditions, including a bar on poker machine play from midnight to close on Sunday through Thursday nights unless the following day is a public holiday.

For operators weighing regional hotel and gaming plays in South Australia, the case is a marker of how far a council and court will go to approve a venue while constraining its gaming hours. It also shows that an approval granted years earlier is not the end of the assessment process: a boundary change alone was enough to send the project back through council for a fresh look, alongside the conditions already fixed by the court. Developers active in other large-format hospitality projects, such as the city centre hotel tower approved on Edward Street, face the same lesson: site changes made after approval can reopen scrutiny that a developer might otherwise treat as settled.

The numbers

The proposed hotel spans 3,801 square metres across three storeys, at an estimated cost of $30 million. The plans include a bottleshop, a 40 machine gaming room, a bistro seating 200 people, a lounge and sports bar, outdoor dining and lounge areas, and function rooms. Piermount has stated the venue would employ more than 150 people, with many roles expected to go to local residents. The resubmission follows the original development approval granted in September 2022, which the applicant says no longer matches the site’s boundaries.

What’s next

Mount Barker District Council has opened public consultation on the revised application, running until 20 October. The council has not yet ruled on the resubmitted plans, and the proposal remains pending assessment rather than approved in its current form. Piermount executive chairman Brett Matthews framed the project around its regional ties, saying: “We’re all about showcasing local, and we truly embrace the Adelaide Hills.”

Developers and hospitality operators tracking Mount Barker’s growth corridor will watch whether the council imposes further conditions beyond the gaming restrictions already set by the Licensing Court, and whether the boundary change triggers a fresh round of objections before a decision is made. No date has been set for a council determination, and the consultation period is the next formal step in the process. Any further changes to the site boundary or built form would likely require another round of notification before the application could proceed to a decision.