
Residential Assessment Services
NatHERS and BASIX assessments for houses, alterations, multi-residential developments, units and apartments across Australia.

NatHERS Thermal Performance Assessments
Our NatHERS assessments evaluate the thermal performance of your proposed residential dwelling. We model the building envelope, glazing, insulation and ventilation to determine a star rating that meets compliance requirements.
- Star rating assessment for new dwellings
- Detailed thermal performance modelling
- Compliance with the National Construction Code
- Clear reporting and recommendations

Residential BASIX Certificate Assessments
BASIX (Building Sustainability Index) is a NSW planning requirement. We prepare and lodge your BASIX certificate, ensuring your residential project meets water, energy and thermal comfort targets.
- BASIX certificate preparation and lodgement
- Water, energy and thermal comfort targets
- Support for Development Application submissions
- Guidance on meeting sustainability benchmarks

Alterations & Additions Assessments
Renovating or extending your home? We provide NatHERS and BASIX assessments specifically tailored for alterations and additions to existing residential properties, ensuring your project meets all compliance requirements.
- Assessments for extensions and renovations
- Combined NatHERS and BASIX support
- Advice on maintaining compliance during changes
- Efficient processing for faster approvals

Multi-Residential Dwellings
We provide NatHERS and BASIX assessments for multi-residential developments including townhouses, duplexes, and medium-density housing. We work closely with developers and designers to assess each individual dwelling within a development.
- Individual dwelling assessments within developments
- Townhouses, duplexes and terraces
- Compliance for medium-density projects
- Efficient batch assessments for multiple lots

Units & Apartments
ThermPerform provides NatHERS thermal assessments and BASIX support for apartment and unit developments. We understand the specific requirements for Class 2 buildings and work to ensure each unit meets compliance efficiently.
- NatHERS assessments for Class 2 buildings
- BASIX support for apartment developments
- Individual unit assessment and reporting
- Coordination with architects and developers

Residential Energy Efficiency Support
Beyond compliance, we help you understand how to improve the energy efficiency of your residential project. We offer practical recommendations on insulation, glazing and building orientation to optimise comfort and reduce energy costs.
- Energy efficiency recommendations
- Insulation and glazing optimisation advice
- Building orientation and passive design guidance
- Cost-effective solutions for better ratings
Need a NatHERS or BASIX Assessment?
Get in touch today for a clear, no-obligation quote on your residential project.
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