Approvals & Compliance Blog | giantA Pty Ltd

13 Articles

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BASIX Simulation for NSW Alterations 2026: When NatHERS Modelling Is Allowed Over $50k

In New South Wales, alterations and additions valued at $50,000 or more generally need a BASIX certificate — and so do pool/spa works over 40,000 litres. Most renovations clear the standard alteration...

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

Sep 7, 2026

Class 2 Building Design Fees vs Construction Costs in Sydney: A 2026 Cost Breakdown for Apartment Developers

What Does It Actually Cost to Design and Build a Class 2 Apartment Building in Sydney in 2026? A Class 2 apartment building in Sydney costs between $3,200 and $6,200+ per square metre of gross floor a...

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Sep 6, 2026

BASIX for Alterations and Additions in NSW 2026: When Your Renovation Triggers a Certificate

Renovating your home in NSW in 2026 means navigating a web of planning and building regulations, and BASIX is one that catches many homeowners by surprise. If your renovation budget is $50,000 or more...

BASIX NSW building regulations Sustainable Building basix-certification basix-compliance nsw-planning renovation renovation-sydney

Sep 4, 2026

Granny Flat Energy Compliance NSW 2026: BASIX, NatHERS and Cost-Saving Strategies for Secondary Dwellings

Introduction Every secondary dwelling in NSW — whether a 45m² studio or a 60m² self-contained granny flat — must obtain a BASIX certificate before a Development Application or Complying Development Ce...

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Aug 25, 2026

BASIX Solar PV and Battery Storage NSW 2026: Energy Compliance and the Emergency Backstop

Introduction: Solar PV Is Now Central to BASIX Energy Compliance When BASIX first launched in 2004, a rainwater tank and a solar hot water system were enough to sail through compliance. Two decades la...

BASIX basix-certification basix-compliance energy efficiency energy-efficiency energy-efficient-design nsw-building-compliance solar PV

Aug 22, 2026

BASIX Certificate NSW 2026: Complete Step-by-Step Guide to Getting Your BASIX Certificate

TL;DR A BASIX certificate is a mandatory planning document required for all new residential developments, renovations over $50,000, and pools over 40,000 litres in NSW. You obtain it through the NSW P...

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Aug 19, 2026

NCC Energy Efficiency Freeze Until 2029: What It Means for NSW BASIX Compliance and Your Building Project

Author: Franz Phan, Senior Planning Consultant, giantA Pty Ltd (15+ years experience in NSW residential and multi-unit development) Introduction: Why the NCC Freeze Matters for NSW Builders and Homeow...

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Aug 16, 2026

BASIX Water Efficiency NSW 2026: Rainwater Tanks, WELS Fixtures & Landscape Compliance Guide

BASIX Water Efficiency NSW 2026: Rainwater Tanks, WELS Fixtures Landscape Compliance Guide What Is the BASIX Water Section? The BASIX Water section requires new residential developments in NSW to redu...

BASIX Home Building Act NSW Planning NSW building regulations Sustainable Building basix-certification basix-compliance building-advice

Aug 13, 2026

Building (Approvals and Practitioners) Bill 2026: What NSW's Biggest Regulatory Overhaul Means for Your Project

The NSW Parliament passed the Building (Approvals and Practitioners) Bill 2026 on 4 August 2026, marking the most significant overhaul of the state's building regulatory framework in a generation. The...

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Aug 9, 2026

Thermal Bridging in NSW BASIX 2026: How to Eliminate Cold Bridges and Meet 7-Star NatHERS Requirements

Author: Franz Phan, Senior Planning Consultant, giantA Pty Ltd (15+ years experience in NSW residential development) Published: 2026-08-07 What Is Thermal Bridging and Why Does It Matter for BASIX Com...

BASIX basix-certification basix-compliance energy efficiency energy-efficiency nathers nathers-certificate thermal performance

Aug 7, 2026

BASIX Requirements for Granny Flats in NSW 2026: Water, Energy & Thermal Compliance Guide

BASIX Requirements for Granny Flats in NSW 2026: Water, Energy & Thermal Compliance Guide With Sydney’s housing affordability crisis deepening and the NSW Government pushing for 377,000 new homes by 2...

BASIX NSW Planning basix-certification basix-compliance energy efficiency sustainability

Jul 22, 2026

BASIX 2026: How the May Tool Upgrades and Passive House Standard Method Affect Your NSW Build

BASIX 2026: How the May Tool Upgrades and Passive House Standard Method Affect Your NSW Build Author: Franz Phan, Senior Planning Consultant, giantA Pty Ltd Published: 19 July 2026 Reading time: 12 mi...

basix-certification basix-compliance energy-efficiency nathers passive-house renovation-sydney residential-projects sustainability

Jul 19, 2026

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