About the site

The Bantry Bay Explosives Magazine Complex is a former explosives storage and industrial site within Garigal National Park, on both shores of Bantry Bay in Sydney’s Middle Harbour.

The site includes former explosives magazines, industrial buildings, a seawall, dry-stone retaining walls, a reservoir and associated infrastructure. It operated from 1914 to 1974 and is listed on the NSW State Heritage Register for its historical and technical significance.

The National Parks and Wildlife Service (NPWS) is investigating site risks, heritage constraints and management needs at this unique site before any future decisions are made.

Current site condition

The site has safety, heritage, environmental and access constraints that affect how investigations and works can be carried out. These constraints also affect what may be feasible in the future.

Contamination and hazardous materials

Historic use of the site has left hazardous materials and contamination in some buildings and soils, including asbestos and heavy metals.

Surface soil sampling has identified elevated contaminant levels in parts of the western foreshore building precinct. These conditions require specialist assessment and controls for staff and contractors.

NPWS has removed significant quantities of asbestos from the site in recent years. Hazardous materials management remains an important part of current investigations.

Current structural condition

Some buildings and infrastructure at the site are in poor condition, including former magazines and related buildings, sandstone retaining walls, the reservoir and the seawall.

Some structures have previously been conserved by NPWS. However, many elements present complex safety and conservation challenges and would require significant work to stabilise or adapt for any future use.

Access constraints

The site has no routine vehicle access. Access for investigations and works is generally by foot or water, which significantly affects logistics, cost and staging. Hazardous materials and structural risks also limit routine maintenance and other site activities.

Heritage requirements

All works at Bantry Bay must meet heritage, environmental and safety requirements. This includes relevant Heritage NSW requirements and the site’s Conservation Management Plan.

Any future proposal would need to protect the site’s heritage values while also addressing safety, environmental and operational risks.

Current investigations and project planning

NPWS is carrying out technical investigations and planning to better understand site conditions, risks, conservation requirements and management needs.

Current work includes assessment of hazardous materials, structural risks and stabilisation needs, seawall condition, environmental risks, and heritage requirements. This work will help identify risk controls, remediation priorities and future management needs.

This work is for investigation and planning only. No decisions have been made about future access or use.

Previous conservation and management work

NPWS has undertaken conservation and management work at the site over time. This has included:

  • structural stabilisation of selected buildings
  • security works to reduce vandalism and unauthorised access
  • heritage documentation and recording
  • asbestos removal
  • initial contamination investigations.

Vegetation management

NPWS is aware of community concern about vegetation encroachment at the site. Vegetation management in parts of the site is limited by contamination, structural instability, site access limitations and worker safety requirements. These conditions affect the type and timing of vegetation work that can be safely undertaken.

NPWS will continue to review vegetation management options as investigations progress and risks can be appropriately managed.

Possible future opportunities

The site’s Conservation Management Plan identifies a range of possible future opportunities for reuse and interpretation, subject to feasibility, safety and relevant approvals.

These are not current proposals and no decisions have been made by NPWS. They are options identified in the Conservation Management Plan for possible future consideration.

Any future proposal would require detailed assessment through the relevant environmental, heritage and land management processes. This may include approvals and community consultation where required.

Future decision making and community involvement

NPWS recognises strong community interest in the Bantry Bay Explosives Magazine Complex. If significant future options are developed, they would need to go through the relevant environmental, heritage and land management processes. This may include further assessment, concept development, and consultation or public exhibition where required.

The current work is focused on understanding site risks and constraints so that any future decisions are properly informed.

Ongoing site management

NPWS continues to manage the site while investigations are underway. This includes site security, vandalism response, limited vegetation management, and technical and planning assessments. Works are carried out under site-specific safety controls and in accordance with heritage requirements.

Updates

This page will be updated as investigations progress. Please check this page for future updates on site investigations and management.