
Choosing the right fencing height is an important decision for property owners, builders and facility managers. A fence needs to provide suitable boundary protection while complementing the property’s appearance, access arrangements and daily operations. However, the height that works for a commercial office may not be suitable for a warehouse, school or industrial facility.
For businesses considering garrison fencing Perth, understanding the available height options can make planning easier. Garrison fencing is widely used for commercial and industrial boundaries because its steel construction provides durability, visibility and a professional appearance. Selecting the right height involves assessing security requirements, property type, local regulations and long-term maintenance needs.
What Are the Common Garrison Fencing Heights?
Garrison fencing is available in several heights, allowing property owners to select a configuration suited to their site. Although dimensions can vary between manufacturers and custom installations, commonly available options include 1200mm, 1500mm, 1800mm, 2100mm and 2400mm.
Each height serves a different purpose, depending on the property’s surroundings and expected level of protection.
| Fence Height | Potential Applications | Main Consideration |
| 1200mm | Decorative boundaries and landscaped commercial areas | Boundary definition rather than substantial security |
| 1500mm | Office frontages and selected low-risk commercial areas | Appearance, visibility and access |
| 1800mm | General commercial properties and warehouse boundaries | Balance between perimeter height and practicality |
| 2100mm | Schools, warehouses and industrial facilities | Taller perimeter protection |
| 2400mm | Selected higher-security commercial and industrial sites | Site risk, structural design and approvals |
These heights are examples rather than universal recommendations. Actual suitability depends on the fence design, installation conditions and applicable local requirements.
For instance, an office building facing a busy street may require a different arrangement from a storage facility located in an isolated industrial area.
What Is the Best Garrison Fencing Height for Different Properties?
There is no single fencing height that works equally well for every property. Understanding how a site is used helps determine which option deserves consideration.
1. Commercial Offices and Business Premises
Commercial offices often require fencing that clearly defines property boundaries without creating an unnecessarily enclosed appearance.
For these environments, heights around 1500mm to 1800mm may be worth considering, depending on the site’s security needs.
A lower fence may be suitable for defining landscaped areas or separating private spaces from public walkways. Meanwhile, an 1800mm fence can provide a taller boundary where restricting unauthorised entry is a greater concern.
Important considerations include:
- Maintaining a professional building appearance.
- Preserving visibility around entrances and driveways.
- Matching pedestrian gates with the surrounding fence.
- Providing suitable protection for external equipment.
- Considering nearby footpaths, landscaping and public access.
The final height should complement the property’s design while supporting its intended security function.
2. Warehouses and Industrial Facilities
Warehouses frequently contain valuable equipment, stored goods, vehicles and materials that require controlled access.
Consequently, taller fencing may be appropriate, particularly around loading yards, outdoor storage areas and locations with limited supervision.
Heights around 1800mm to 2400mm are common options to evaluate for industrial applications, although higher security requirements may call for a different fencing system altogether.
An industrial property’s security assessment should consider whether the fence could be climbed using nearby objects, parked vehicles or stored materials.
An effective perimeter also depends on properly designed posts, secure fixing points, suitable gates and a layout that reduces opportunities for unauthorised access.
Where heavy vehicles operate, fence placement must account for turning areas, delivery routes and driver visibility.

3. Schools and Educational Facilities
School fencing must balance perimeter security with student safety, supervision and everyday accessibility.
For some educational facilities, garrison fences around 1800mm to 2100mm may be considered. However, the final specification should follow the relevant school’s design requirements and any applicable authority standards.
Height is only one factor in creating an appropriate school boundary.
Other considerations include:
- Limiting access through unauthorised entry points.
- Maintaining suitable visibility for supervision.
- Avoiding dangerous footholds or climbable features.
- Providing safe pedestrian access and emergency exits.
- Using suitable gate hardware and locking arrangements.
- Selecting appropriate pale spacing and fence-top designs.
At Byford Secondary College, iBOLT Fencing completed a project involving chain mesh fencing and school-specification garrison fencing. Projects of this nature demonstrate how different fencing systems can be combined to accommodate site-specific requirements.
4. Retail Centres and Commercial Car Parks
Retail environments and car parks experience regular pedestrian and vehicle movement.
Unlike isolated industrial facilities, these properties often require fencing that provides boundary definition while preserving important sightlines.
Depending on the application, heights around 1500mm to 1800mm may be considered, with taller options assessed for restricted operational areas.
For example, a public-facing car park boundary may benefit from an open steel design that allows visibility through the fence. A nearby service yard containing equipment or stock may require greater perimeter protection.
Fence height should also be evaluated alongside lighting, vehicle access gates, pedestrian routes and visibility at exits.
Where fencing is installed close to roads or driveways, applicable sightline requirements must take priority over appearance.
5. High-Security Commercial Properties
Some commercial environments face greater security risks because of the equipment, materials or operations located on-site.
Utility compounds, distribution facilities and restricted-access industrial premises may require taller or more specialised perimeter systems.
In these situations, heights of 2100mm or 2400mm may be considered as part of a broader security assessment.
However, increasing fence height does not automatically create a high-security boundary.
The overall level of protection also depends on construction details, anti-climb characteristics, access control, gate hardware and the surrounding environment.
For sites exposed to higher intrusion risks, specialist palisade fencing or another purpose-designed security system may be more appropriate than standard garrison panels.
Is 1800mm or 2100mm Garrison Fencing Better?
Two commonly considered options for commercial sites are 1800mm and 2100mm.
Both can be practical choices, but their suitability depends on what the boundary needs to achieve.
An 1800mm fence may provide adequate perimeter separation for a typical commercial site with moderate security requirements. It can help define access points while maintaining the appearance associated with open steel fencing.
A 2100mm fence provides an additional 300mm of height. This may be beneficial where a taller boundary is desirable, but the complete design still needs to address climbing risks and structural performance.
| Comparison | 1800mm Garrison Fence | 2100mm Garrison Fence |
| Boundary height | 1.8 metres | 2.1 metres |
| Potential application | General commercial sites | Sites requiring taller boundaries |
| Material requirements | Generally lower | Generally higher |
| Security considerations | Depends on design and site risk | Extra height, but not automatically high security |
| Installation | Requires suitable posts and footings | Requires suitable posts and footings |
| Local approvals | Must be checked | Must be checked |
When comparing these options, it is important to consider the complete installed system rather than fence height alone.
What Factors Should You Consider Before Choosing Garrison Fence Height?
Selecting the correct garrison fence height requires more than comparing standard panel dimensions.
Several practical factors can influence the final decision.
Property Security Requirements
A commercial showroom may have different perimeter risks from a warehouse storing valuable machinery.
Assess the property’s exposure, nearby activity, existing security measures and potential entry points before choosing a height.
Ground Conditions and Site Levels
Sloping ground can affect the effective height of a fence.
A panel measuring 1800mm may not provide the same barrier height at every point if the land rises or falls along the boundary.
Stepped or raked installations may be needed to maintain appropriate coverage.
Fence Construction and Materials
Height must be considered alongside steel sections, posts, foundations and connections.
Taller fences can experience increased wind loading, meaning structural design and installation requirements are particularly important.
Protective finishes, including galvanising and suitable powder coating, should also be considered for durability.
Gates and Access Requirements
The surrounding fence should work with the property’s pedestrian, sliding or swing gates.
Gate size, automation, access control and vehicle movement can affect the overall design.
A poorly positioned gate may compromise an otherwise well-planned perimeter.
Budget and Long-Term Value
Taller fences may require additional materials, larger posts or different footing arrangements.
Rather than selecting the tallest available system, property owners should compare the security benefits with installation costs, maintenance expectations and site requirements.
Are There Garrison Fencing Height Regulations in Perth?
Fence height requirements in Perth depend on the property’s location, zoning, boundary position and applicable local government rules.
There is no single universal garrison fence height that automatically satisfies every commercial, industrial or educational site.
Western Australia’s dividing-fence framework operates alongside local government fencing laws and planning requirements.

Depending on the proposal, property owners may need to consider:
- Local council fencing laws and development requirements.
- Front boundary and street setback restrictions.
- Commercial or industrial zoning conditions.
- Building or development approval requirements.
- Visibility requirements near roads and driveways.
- School or project-specific design specifications.
- Structural and safety requirements applicable to the installation.
For example, requirements applying to an industrial boundary may differ from those applying to a commercial property next to a residential area.
Before confirming a fence height, check the current requirements with the relevant Perth local government or an appropriately qualified professional.
Why Choose iBOLT Fencing for Garrison Fencing in Perth?
Every commercial property has different operational needs, which is why fencing should be planned around the actual site rather than selected solely from a catalogue.
iBOLT Fencing provides garrison fencing solutions for commercial, industrial and educational properties across Perth and Western Australia.
Its services include standard garrison fencing, school-specification fencing, custom steel fencing and matching gate solutions.
The company also has experience with completed projects involving commercial boundaries and educational facilities, including work at Byford Secondary College.
With site-specific planning, clients can consider suitable heights, materials, finishes and gate configurations before proceeding with installation.
The objective is to create a boundary that fits the property’s layout, practical requirements and intended level of protection.
Frequently Asked Questions
What is the standard height of a garrison fence?
Commonly available garrison fencing heights include 1200mm, 1500mm, 1800mm, 2100mm and 2400mm. There is no single universal height suitable for every property. The correct option depends on the intended application, product design and local requirements.
Is 1800mm garrison fencing suitable for commercial properties?
An 1800mm garrison fence can be suitable for many general commercial boundaries. However, site security risks, local rules, ground conditions and gate arrangements should be assessed before installation.
Can garrison fencing be installed at 2400mm?
Yes, 2400mm garrison fencing products are available in the market. Installation suitability depends on the selected system, structural requirements, site conditions and any necessary approvals.
Does taller garrison fencing provide better security?
Additional height can increase the difficulty of crossing a fence, but security also depends on the panel design, posts, fixings, surrounding objects and access points. A taller fence alone does not guarantee effective protection.
Which garrison fence height is best for warehouses?
Warehouses may consider heights from approximately 1800mm to 2400mm, depending on their security requirements. The final recommendation should follow a site assessment rather than a fixed industry-wide rule.
Choosing the Right Height for Long-Term Property Protection
Finding the right fence height involves balancing security, appearance, accessibility and long-term performance. Commercial offices may prioritise a visually open boundary, while warehouses, schools and industrial facilities may need taller fencing and more carefully controlled entry points. With a considered design, commercial security fencing can provide practical perimeter protection without creating unnecessary installation costs or operational difficulties.
If you are planning a new installation or upgrading an existing boundary, iBOLT Fencing can help you evaluate suitable options for your property. Explore its commercial security fencing solutions and request a site-specific assessment to identify a garrison fencing design suited to your Perth premises.
Conclusion
The best garrison fencing height depends on how a property is used, the level of security required and the conditions surrounding the site. While 1800mm and 2100mm are popular options to evaluate, shorter or taller systems may suit particular applications. Assessing the complete fence design, checking local requirements and selecting an appropriate installation approach will help ensure the finished boundary meets the property’s practical needs.