Home Energy Rating Blog

Full 2026 update on WA's home battery rebate — $130/kWh (Synergy) or $380/kWh (Horizon Power), plus a $10,000 no-interest loan via Plenti. Stack it with the Federal Cheaper Home Batteries Program for payback in 5–7 years.

Victoria's version of the Solar Sharer scheme goes live 1 October 2026. How Victorian households can prepare, stack it with Solar Victoria rebates, and lock in $350–$2,000/yr savings.

From 1 July 2026, energy retailers in NSW, SA and SE QLD must offer plans with 3 hours of completely free power in the middle of the day. Victoria follows October 1. Here's how households can fully harness it — with or without solar.

From 17 June 2026, NSW households can access $15,000 zero-interest loans for solar, batteries, insulation, draught-proofing, heat pumps and more. Check eligibility, covered upgrades and how to apply.

JV3 is the Performance Solution path to NCC Section J compliance for Class 2–9 buildings. When to use it instead of DTS, how the modelling works, and why it cuts capital cost.

Most existing-home NatHERS ratings land in 5–10 business days; new builds in 3–7. Full stage-by-stage timeline, common delays, and 5 ways to get your certificate faster.

Most Australians retrofit in the wrong order and waste thousands. Here's the correct sequence — seal, insulate, glaze, electrify, generate — for an older Australian home.

Seven cheap DIY hacks to keep your house warm in winter without touching the thermostat — from draught sealing and curtain strategy to DIY window film and pipe insulation.

If your house is freezing in winter despite the heater running, the problem is usually insulation, draughts, glazing or thermal bridges. Here's how to diagnose each one — and how a NatHERS assessment finds the real culprits.

Victoria and the ACT have banned gas in new builds. Here's what the gas-to-electric transition means for existing Australian homes — costs, savings and your NatHERS Whole-of-Home score.

Got a $600+ quarterly bill? Walk through this DIY room-by-room audit to find the hidden culprits in your Australian home — insulation, glazing, draughts, hot water and standby power.

How NatHERS ratings are actually calculated, the 7 factors that move your score, and how to use a free calculator to estimate your home's stars in 2 minutes.

State-by-state NatHERS pricing for NSW, VIC, QLD, WA, SA, TAS, ACT and NT — new build, renovation and existing home costs, plus QLD's Energy Efficiency Certificate.

Got a low star rating? Here's exactly which retrofits add the most stars — insulation, glazing, sealing, HVAC and solar — with cost ranges and the right order to do them in.

NatHERS rates thermal performance (0–10 stars). BASIX is the NSW planning certificate that uses NatHERS data. Most NSW homes need both — here's how they fit together and what each costs.

Victoria's Scorecard scheme closes 23 June 2026 and transitions into NatHERS Existing Homes. What changes, what your existing certificate is worth, and which assessment to book now.

NatHERS rates how a home is designed to perform (0–10 stars). NABERS rates how a building actually performs in operation (1–6 stars). Different scales, different audiences — here's which you need.

A NatHERS certificate rates your home 0–10 stars. Costs $300–$700. Learn what's included, how to read each section, when you need one, and how to get it fast.

Everything about NatHERS existing homes assessments — the new data collector pathway agreed March 2026, Stage 2 timeline, costs, and how to get your home rated.

Electricity prices have surged 120% in a decade. Learn how Australian homeowners can achieve energy independence through solar, insulation, and smarter energy ratings.

The Victorian Scorecard program closes 23 June 2026. Learn about the NatHERS replacement, assessor transition pathways, and what homeowners should do.

NSW is moving to mandatory energy disclosure. Learn about the voluntary pilot, NatHERS assessment costs ($300–$550), BASIX vs NatHERS, and how sellers and landlords should prepare now.

Understand the NatHERS star rating system. Learn what each star level means, how ratings are calculated, and what rating your home needs.

Understanding NatHERS ratings and why they matter for Australian homes. Learn about the star rating system and thermal performance.

A step-by-step guide to getting your home's NatHERS assessment. Find certified assessors and understand the process.

NatHERS assessment costs $300–$600 for most Australian homes. Full pricing breakdown by state, what's included in the certificate fee, and 3 ways to save.

Do you need a NatHERS certificate for your renovation? Understand Building Code requirements and exemptions.

Learn about energy ratings for established properties. When and why you might need an assessment for your existing home.

A complete guide to improving your home's energy efficiency. From insulation to glazing, discover what makes a difference.

Discover the ways to find out your home's current energy rating. Check existing certificates or get a new assessment.