01.05.2024 ... Private open space – Standards A17 and B28; Front fences – Standards A20 and B32. This practice note is an illustrative guide to the applicat...
When evaluating outdoor environments, whether for residential design, commercial property development, or urban planning, the terminology used to describe space can significantly impact expectations and outcomes. Two phrases that frequently emerge in these discussions are private open space and secluded private open space. While they share a foundational concept of being privately owned, non-public areas, the distinction between them is crucial for understanding the level of isolation, design intention, and experience each provides.
A private open space refers to any exterior area on a property that is not constructed or designated for enclosed habitation. This includes backyards, courtyards, terraces, and roof gardens. The defining characteristic is exclusivity of ownership rather than the degree of solitude. This space is typically integrated into the primary living environment, adjacent to windows or main entry points. It serves functional purposes such as entertaining guests, drying laundry, or providing direct sunlight for relaxation. The key feature is its role as an extension of the indoor living area, where the boundary between interior and exterior is blurred for practical or aesthetic reasons.
Private open spaces are generally designed with interaction in mind. They often feature landscaping, outdoor furniture, and recreational equipment. Because they are intended for use, they may be visible to neighbors or passersby, depending on the height of fencing or surrounding structures. The focus here is on utility and immediate accessibility. For example, a homeowner might use this space for morning coffee, children's play, or hosting a barbecue. The presence of activity and the potential for social observation are inherent to this category, framing it as a semi-public extension of the home.

A secluded private open space takes the concept of a private exterior area a step further by prioritizing sensory isolation and psychological privacy. This is not merely about being behind a gate; it is about the deliberate creation of an environment where the occupant feels removed from the visual, auditory, and spatial presence of the outside world. The goal is to transform the open area into a personal sanctuary, shielded from the gaze of neighbors, traffic noise, and urban light pollution.
The distinction between the two often lies in the architectural and landscaping strategies employed to achieve separation. A standard private open space might be defined by a simple fence or hedge. In contrast, creating a secluded space requires more intricate design. High, solid fencing or dense natural barriers like thick shrubbery are used to block line of sight. Topographical features such as changes in elevation, water features like fountains or ponds to mask ambient noise, and strategic lighting to minimize visibility at night all contribute to this sense of sanctuary. The result is a zone where one can achieve true solitude.
| Feature | Private Open Space | Secluded Private Open Space |
|---|---|---|
| Primary Goal | Accessibility and functionality | Isolation and sanctuary |
| Visibility | May be open to neighbors or streets | Designed to be hidden from view |
| Noise Level | May accept ambient urban noise | Actively minimized for tranquility |
| Design Focus | Aesthetics and social use | Privacy and sensory comfort |
Consider a residential property in a suburban neighborhood. The backyard behind a wooden privacy fence is a private open space; it is exclusive to the family and used for gardening and play, yet the neighbor’s dog might be visible, and the sound of their music might be heard. Now, imagine the same backyard remodeled with a seven-foot fence, a berm planted with dense evergreens, and a water feature drowning out street noise. This transformed area is now a secluded private open space, offering a personal retreat that feels worlds away from the surrounding community.

Understanding the difference between these two concepts is essential for maximizing property value and personal well-being. A private open space enhances the usability of a property, increasing its functional square footage. However, a secluded private open space significantly elevates the quality of life by providing a mental health refuge. In an increasingly connected and visible world, the ability to retreat into a completely private, quiet environment is a premium feature that impacts both the market desirability of a property and the tranquility of its inhabitants.
Ultimately, the difference is one of degree and intent. Both are privately owned exterior spaces, but they serve different human needs. One is about extending the home outward to engage with the environment, while the other is about removing the environment to create a private world. Recognizing this distinction allows property owners and designers to make informed decisions about layout, materials, and landscaping, ensuring the final space aligns perfectly with the desired lifestyle.
<strong>PPN27: Understanding the residential development provisions</strong><p>01.05.2024 ... Private open space – Standards A17 and B28; Front fences – Standards A20 and B32. This practice note is an illustrative guide to the application ...</p>
<strong>Common Town Planning Terms Demystified - Change of Plan</strong><p>05.08.2025 ... Secluded private open space is an area which is to the side or rear of the dwelling (so that it is secluded from public view) that has a ...</p>
<strong>Secluded Private Open Space - interpretation advice</strong><p>26.01.2021 ... While the area is absolutely screened, it is also fully covered with a garden bed with small bushes. From my interpretation the area's primary ...</p>
<strong>GENERAL SITING REQUIREMENTS FOR SINGLE DWELLINGS ...</strong><p>In the case of a secluded private open space, the horizontal distance of 9m referred to above is to be measured at ground level. A habitable room window ...</p>
<strong>Small Lot Housing Code, 2024 - AWS</strong><p>right of way means a carriageway easement i.e. a right, annexed to land to travel over other land of different ownership. S secluded private open space means ...</p>
<strong>Glossary of planning terms: Q – S - The Complete VicSmart Guide</strong><p>Secluded private open space (SPOS) is that part of private open space ... An application that involves a change t an existing easement that applies to the land.</p>
<strong>Overlooking The Small Details - CS Town Planning Permits</strong><p>23.04.2025 ... The objective of the previous standard B23 and current standard B4-5 is to limit views into the secluded private open space and habitable room ...</p>
<strong>This standard ensures secluded private open space within adjoining ...</strong><p>15.12.2021 ... The 3 main elements to secluded private open space includes: 1. Seclusion, an outdoor privately enjoyed by the occupants; 2.Accessible from a ...</p>
<strong>Overlooking - Secluded Private Open Space - Screening : r/AusLegal</strong><p>15.01.2025 ... The building surveyor is a nightmare. Thanks ☺️. Regulations below: (1) A habitable room window or raised open space of a building on an ...</p>
<strong>SITING REQUIREMENTS SUMMARY - Monash Council</strong><p>... for a distance of 3m from each side of the ... Note: 'Secluded private open space' means any part of private open space on an allotment which is primarily.</p>
<strong>GENERAL SITING REQUIREMENTS FOR SINGLE DWELLINGS ...</strong><p>In the case of a secluded private open space, the horizontal distance of 9m referred to above is to be measured at ground level. A habitable room window ...</p>
<strong>Understanding the Residential Development Standards (ResCode)</strong><p>Changes of building height between existing buildings and new ... At least one part of the private open space should consist of secluded private open.</p>
<strong>Overlooking - Secluded Private Open Space - Screening : r/AusLegal</strong><p>15.01.2025 ... The building surveyor is a nightmare. Thanks ☺️. Regulations below: (1) A habitable room window or raised open space of a building on an ...</p>
<strong>Small Lot Housing Code Part 1 (Single Class 1a Buildings and ...</strong><p>12.01.2021 ... 12.2. A raised open space that faces secluded private open space or habitable room windows of an existing dwelling within a horizontal distance ...</p>
<strong>Cairnlea Townhouse Code - Engage Victoria</strong><p>secluded private open space means any part of private open space on an allotment – a) which is – i. at the side or rear of an existing dwelling on the ...</p>
<strong>Practice Note 47 - Part 5 of the Building Regulations 2018 - Siting</strong><p>Regulation 25(2)(c)(iii) requires information to be provided about the adjoining allotment. This would include information regarding secluded private open space ...</p>
<strong>Residential Design Guidelines - Knox City Council</strong><p>Minimum number of canopy trees per area of secluded private open space. 1*. Note: A canopy tree is a perennial woody plant that reaches more than five (5) ...</p>
<strong>Private Open Space Victoria: ResCode B28 Developer Guide</strong><p>25.02.2024 ... Private open space refers to outdoor areas that are exclusively for the use of occupants of a dwelling. This can include backyards, balconies, ...</p>
<strong>QUALITY DESIGN GUIDELINES RESIDENTIAL AREAS</strong><p>Local streets and main roads present different contexts for development in relation to front fence height and the location of secluded private open space (SPOS) ...</p>
<strong>REPORT & CONSENT APPENDIX 9 BUILDING REGULATION: 84</strong><p>(4) In the case of a secluded private open space, the horizontal distance of 9 m referred to in subregulation (2)(d) or (3) is to be measured from the ground ...</p>