Blogs

Arborist Reports NSW DA 2026: AS 4970:2025, AIA, NRZ Encroachment and When Councils Require Tree Retention Evidence

Most Greater Sydney councils will ask for an Arboricultural Impact Assessment where a DA affects the Notional Root Zone of protected onsite, neighbour or street trees. Design to AS 4970:2025 and lodge a site-specific AIA with TPP/TPS.

Approval Process Council Approval Development Application LEP/DCP NSW Planning Town Planner da-application new-south-wales

16 Sept 2026 Approvals

Luxury Master Suite Design Sydney 2026: Layout, Dressing Room, Ensuite Zoning and Approval Pathways for Custom Homes

A well-planned luxury master suite in Sydney is less about square metres and more about zoning: sleep, dress, bathe and retreat without friction. As building designers , giantA structures bedroom wing...

CDC bespoke-design custom-home da-application luxury-home-design premium-residential renovation sydney-architecture

16 Sept 2026 Architecture

BASIX for NSW Swimming Pools and Spas 2026: The 40,000-Litre Trigger and the $50,000 Alterations Rule

Answer first: In NSW, a BASIX certificate is required for a swimming pool and/or spa with a total volume greater than 40,000 litres , and/or for alterations and additions valued at $50,000 and over . ...

Approval Process BASIX Council Approval NSW Planning basix-certification basix-compliance energy efficiency nathers

16 Sept 2026 Approvals

Class 2 Regulated Designs NSW: Which Building Elements Need an RDP Design Compliance Declaration Under the DBP Act

Answer first: Under the NSW Design and Building Practitioners Act 2020 , a regulated design is a design prepared for a building element or a performance solution on Class 2 (and other regulated) build...

Approval Process apartment-design class-2-building dbp-act design-practitioner multi-residential nsw-building-compliance regulated-design

15 Sept 2026 Approvals

Statement of Environmental Effects NSW DA 2026: What Councils Expect and How to Avoid RFIs

Answer first: A Statement of Environmental Effects (SEE) is a mandatory document for most NSW local Development Applications. It must explain the proposal, identify environmental impacts, show how tho...

Approval Process Council Approval Development Application LEP/DCP NSW Planning Town Planner da-application new-south-wales

15 Sept 2026 Approvals

Acoustic Reports NSW DA 2026: When Councils Require Noise Assessments Near Roads, Rail and Mechanical Plant

Answer first: Under the Transport and Infrastructure SEPP 2021, residential DAs near rail corridors or busy roads must meet internal LAeq targets — bedrooms 35 dB(A) (10 pm–7 am) and other habitable r...

Approval Process Development Application NSW Planning acoustic-separation da-application due-diligence new-south-wales site-assessment

14 Sept 2026 Approvals

Contaminated Land NSW DA 2026: SEPP Resilience and Hazards, PSI Reports and When Councils Require Remediation

Answer first: Under Chapter 4 of State Environmental Planning Policy (Resilience and Hazards) 2021 , a consent authority must not consent to development unless it has considered whether the land is co...

Approval Process Development Application NSW Planning da-application due-diligence new-south-wales site-assessment soil-testing

13 Sept 2026 Approvals

Clause 4.6 Variations NSW 2026: When Councils Allow Departure from Development Standards

Answer first: Clause 4.6 of the Standard Instrument Local Environmental Plan allows a consent authority to grant development consent even where a proposal contravenes a development standard (for examp...

Approval Process Council Approval Development Application LEP/DCP NSW Planning Town Planner da-application new-south-wales

11 Sept 2026 Approvals

Shadow Diagrams NSW DA 2026: Solar Access, Overshadowing Rules and When Councils Ask for Them

In NSW, shadow diagrams show existing and proposed overshadowing so councils can test solar access to neighbours and to your own dwelling. Requirements sit mainly in local DCPs (often 9am/12pm/3pm on ...

Development Application LEP/DCP NSW Planning apartment-design da-application new-south-wales nsw-building-compliance site-assessment

10 Sept 2026 Approvals

Luxury Bathroom and Ensuite Design Sydney 2026: Layout, Wet-Area Detailing and Approval Pathways for Custom Homes

Luxury bathroom and ensuite design in a custom Sydney home is resolved in the building design stage — layout, wet zones, services and NSW approval pathways — so spa-like calm lands without late waterp

CDC bespoke-design custom-home da-application luxury-home-design premium-residential renovation sydney-architecture

10 Sept 2026 Architecture

BASIX Alterations NSW 2026: Why You Still Need a Certificate Over $50k — Even With No Commitments

Answer first: For NSW alterations and additions to an existing BASIX-affected dwelling costing $50,000 or more, a BASIX certificate is required regardless of the nature of the works. The online tool a...

BASIX Home Renovation NSW Planning basix-certification basix-compliance energy efficiency nathers renovation

10 Sept 2026 Approvals

Class 2 Design Collaboration NSW: RDP, Building Practitioner and PDP Roles Under the DBP Act

Answer first: On NSW Class 2 apartments (and mixed-use buildings with a Class 2 part), registered design practitioners prepare regulated designs and design compliance declarations, the registered buil...

Approval Process apartment-design class-2-building dbp-act design-practitioner multi-residential nsw-building-compliance regulated-design

9 Sept 2026 Approvals

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