Homes &
renovations
Practical advice for new homes, additions and alterations.
BASIX · NatHERS · Section J · ACT EER
Energy compliance.
Backed by
experience.
Specialist advice for your building project. We take the time to test the options and find a practical path to compliance.
Clear scope. Considered advice. Experienced assessors.
10+
Years of energy
compliance experience
1,150+
Projects delivered
across NSW
Accredited NatHERS assessorsSpecialist knowledge. Practical judgement.
Working with architects, designers and builders
Our services
The right expertise.
For every scale of project.
From a home renovation to a major development, we help you understand the requirements and move your project forward.
Homes &
Townhouses &
apartments
Coordinated assessments for dual occupancies and multi-dwelling projects.
ACT energy
assessments
Energy ratings and compliance advice tailored to ACT projects.
Commercial &
major projects
Energy efficiency and sustainability reporting for larger developments.
Not sure what your project needs? Send us your plans.
Experience behind the advice
Good advice comes from
doing the work.
A straightforward result can take a great deal of work. That is where our experience makes a difference.
Led by Paul Gradwell, our team brings over a decade of thermal performance and energy compliance experience to your project. We understand the design, test viable alternatives and explain what the results mean for the build.
Glazing, insulation, shading and construction choices all matter. We work through those details with you, so you can make informed decisions about performance and cost.
Meet Paul and the teamSelected project experience
Trusted with the detail.
At every scale.
Our experience spans individual homes, dual occupancies and substantial residential developments.
Multi-residentialNSW
371dwellings
Woodville Road,
Merrylands
An eight-building neighbourhood centre development.
- HEC role
- NatHERS consultant
- Project
- 246–260 Woodville Road
Ryde, NSW
Blaxland Road
Ten-level residential development with rooftop terraces.
NatHERS consultant114units
Dalmeny, NSW
Noble Parade
38 townhouses and 11 apartments in one development.
NatHERS & BASIX consultant49dwellings
From our clients
“Paul and his team go above and beyond in exploring and explaining the possible performance solutions”
“I would only ever use Paul and his team. Fantastic service and great to deal with.”
Start a conversation
Let's look at
your project.
Send us your drawings or a few details. We'll confirm the assessment you need, the scope, the fee and the timing.
No obligation to proceed. No drawings yet? You can still get in touch.
Prefer to speak with us?02 9130 2898House Energy Certified
526/368 Sussex St
Sydney NSW 2000
Request a project quote
Tell us a little about what you're planning.
Before you get started
Your questions,
answered.
Can I enquire without drawings?
Yes. Tell us your project location and what you're planning. You can send your drawings later.
What will my assessment cost?
Fees depend on the service and project scope. Send your details for a written proposal that confirms the inclusions and any applicable additional fees.
Can you assess alternative specifications?
Yes. We can assess viable glazing, insulation, shading and construction alternatives and explain their impact on compliance and the build. Your proposal confirms the modelling, advice and revisions included. Any additional work is agreed before proceeding.
How soon can you complete it?
Let us know your deadline when you enquire. We'll confirm timing based on the scope and the information available.
Do you work outside NSW and the ACT?
Yes. We support residential, commercial and major development projects across Australia. We'll confirm the services relevant to your location and project.