ABOUT HOUSE ENERGY CERTIFIED
Experienced assessors.
Considered advice.
We are a specialist energy compliance consultancy led by Paul Gradwell, an accredited NatHERS assessor with over a decade of experience in thermal performance and the broader NCC energy framework.
Our Sydney-based team works with architects, designers, builders, developers and homeowners. We bring detailed assessment and practical advice to projects across Australia, from a single home to a major development.
Energy compliance experience
Projects delivered across NSW
Experience across single homes, dual occupancies and major developments.
HOW WE APPROACH YOUR PROJECT
Clear advice comes from
working through the detail.
We take the time to understand the design and the result you are trying to achieve. When an assessment calls for changes, we work through viable options and explain what they mean for the project.
That can mean comparing glazing, insulation, shading or construction choices, assessing their thermal performance and discussing the practical implications with your team. Our aim is a compliant specification that makes sense for the build.
You receive a clear proposal before work begins, setting out the scope, fee and timeframe. The modelling, advice and revisions included are defined so you can make informed decisions as the project develops.
SELECTED PROJECT EXPERIENCE
Experience at every scale.
Alongside homes and dual occupancies, our experience includes the following residential and mixed-use developments.
| Project | Dwellings | HEC role |
|---|---|---|
| 246–260 Woodville Road, MerrylandsNeighbourhood centre · eight buildings | 371 | NatHERS consultant |
| 166–174 Blaxland Road, RydeTen-level development with rooftop terraces | 114 | NatHERS consultant |
| 9–25 Queens Street, St Marys13-storey mixed-use development | 79 | NatHERS & BASIX consultant |
| 13 Noble Parade, Dalmeny38 townhouses and 11 apartments | 49 | NatHERS & BASIX consultant |
| 14–16 Venus Street, GladesvilleEight-level affordable housing development | 39 | NatHERS & BASIX consultant |
| 2–4 Gordon Street, BlacktownSix-storey residential development | 37 | NatHERS & BASIX consultant |
| 25 & 27 Church Street, RandwickEight-storey affordable housing development | 27 | NatHERS & BASIX consultant |
| 23 Bungalow Road, PlumptonSenior-living townhouse development | 26 | NatHERS & BASIX consultant |
LET'S GET STARTED
Tell us what
you're planning.
Send us your drawings or a few project details. We'll confirm the assessment you need, the scope, fee and timing.
- 01Share your project
Add your details and drawings, if available.
- 02Receive your proposal
A written scope, fee and timeframe for your assessment.
- 03Let's get to work
Accept your proposal and arrange any required upfront payment.
Request your quote
Just a few details to get started.