Acoustic Privacy
Acoustic privacy is about protecting sound transmission between external and internal spaces, between apartments and communal areas and between apartments within a building.
Designing for acoustic privacy considers the site context, surrounding uses, building separation, the location of public and private open spaces and the arrangement of internal spaces in a building.
This section outlines typical considerations for acoustic privacy. For constrained sites such as sites near a rail corridor, major roads or underneath flight paths, refer to section Noise and pollution for further guidance.
Designing for acoustic privacy considers the site context, surrounding uses, building separation, the location of public and private open spaces and the arrangement of internal spaces in a building.
This section outlines typical considerations for acoustic privacy. For constrained sites such as sites near a rail corridor, major roads or underneath flight paths, refer to section Noise and pollution for further guidance.
Appropriate finishes, treatments and construction methods help
reduce noise transmission through walls and floors
Noise transfer is minimised through the siting of buildings and building layout.
The building layout should ensure that amenity impacts from noise are reduced to both living areas and bedrooms. The plan above locates living spaces away from the noisy access core
Noise impacts are mitigated within apartments through layout and acoustic treatments.
The timing and extent of activities allowed in common areas should be considered and appropriately managed
Design Guidance
Adequate building separation is provided within the development and from neighbouring buildings/adjacent uses (see also section Building separation and section Visual privacy).
Window and door openings are generally orientated away from noise sources.
Noisy areas within buildings including building entries and corridors should be located next to or above each other and quieter areas next to or above quieter areas.
Storage, circulation areas and non-habitable rooms should be located to buffer noise from external sources.
The number of party walls (walls shared with other apartments) are limited and are appropriately insulated.
Noise sources such as garage doors, driveways, service areas, plant rooms, building services, mechanical equipment, active communal open spaces and circulation areas should be located at least 3m away from bedrooms.
Bedrooms should be located at least 3m away from noise sources such as driveways and garage doors
In addition to mindful siting and orientation of the building, acoustic seals and double or triple glazing are effective methods to further reduce noise transmission
Design Guidance
Internal apartment layout separates noisy spaces from quiet spaces, using a number of the following design solutions:
• rooms with similar noise requirements are grouped together
• doors separate different use zones
• wardrobes in bedrooms are co-located to act as sound buffers
Where physical separation cannot be achieved noise conflicts are resolved using the following design solutions:
• double or acoustic glazing
• acoustic seals
• use of materials with low noise penetration properties
• continuous walls to ground level courtyards where they do not conflict with streetscape or other amenity requirements.
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