Aspect Z is an award winning architectural and building firm, based on the NSW Central Coast and servicing wider Australia, offering full architectural and construction services.

Aspect Z offer Design only, Design & Construct or Construct only options depending on what suits your particular requirements. Aspect Z can offer any of the above options for Custom Homes, Aspect Z Standard Homes, Secondary Dwellings and commercial-retail fitouts.

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As award winning  architects, we specialise in passive design to provide thermal comfort all year round.  Our designs are highly site specific and via a myriad of key implementations, comfortable to live in all year round, while suiting the modern Australian lifestyle. It is a sad state of affairs that a large percentage of buildings on our globe are less than functional for the occupant and harmful for the environment.  It is our mission at Aspect Z to offer a better deal.

Aspect Z can assist you in any size project - from designing your ideal renovation, to new custom designed homes, quality designed granny flats, dual occupancies, medium density developments, unit buildings, as well as retail and commercial designs.

Sustainable Design and Architecture in NSW

Due to our considered design approach, our clients are able to enjoy the effects that a well architecturally designed, sustainable dwelling can foster, including

  • Functional spaces that enhance living experiences.
  • Lower power and water bills.
  • A positive impact upon our quickly depleting environment.
  • The great state of mind that Thermal Comfort can provide.
  • A home with a unique identity.
  • Higher returns at resale.

Our award winning Central Coast architects offers the unbeatable combination of architectural design with high quality workmanship. Our designs are formulated to be functional, stylish, sustainable and built to last.

Construction for the Environment


As an award-winning licenced builder, Aspect Z also has the ability carry out tendering and construction of your project, ensuring the architectural vision of your project is not lost on site.

As an award-winning licenced builder, Aspect Z are HIA associated and accredited Greensmart Builders.

As a Design and Construct company, we are able to offer a full service from concept design, right through to the handing over of the keys at completion.

The benefit to the client is not only a complete service of design, documentation and construction, but we are able to monitor and advise on cost implications of various decisions made during the design process.

If you have your own builder organised already, this is fine as well and in this case we would offer design and documentation services only.

Granny Flats

Aspect Z have a large range of secondary dwelling options for your consideration. Aside from a series of standard designs, we are able to custom design a Granny Flat to meet your needs and site. From a home office space, to a gym or a 1 or 2 bedroom home we have a solution for you.

Our Granny Flats are award winning and focus on a quality design and construct approach as opposed to a quick and cheap solution that is unlikely to stand the test of time.

Details, fitments and materials are chosen for their quality and longevity and all Grannies include a verandah as standard for shade and outdoor relaxation.

Granny Flats Central Coast

Guiding Principles

Architectural Site Design


Each site has a unique identity which creates its sense of place.  No two sites are identical, with each presenting constraints and opportunities.  How we choose to respond to these marks the commencement of architecture.

Designs to Support the Environment


Concerns with environment are vital, with our actions on a domestic scale directly impacting on a global scale.  Human comfort relies upon our respect of the environment on both scales.

Passive Sustainable Principles in all Building


Volume, air flow, light, outlook, materials, colour and functionality are the influencing factors defining a great space.  It is our aim to provide spaces which break the mould of ‘normal’ and provide a positive impact upon the user.

Environmentally Sustainable Construction


Combinations, textures and contrasts chosen provide impact upon the occupant and viewer alike, stimulating the senses.  An open mind offers opportunities that are both endless and exciting.

Architect Central Coast


A poorly functional building with a great looking roof remains a poorly functioning building long after the photographs are taken.  Meeting the requirements of the occupants is priority #1.

Aspect Z were with us all the way

Our custom build was complex but Aspect Z were with us all the way – from concept design to development approval, and construction to handover.  Our home is a joy to live in! And we learnt so much about good design and craftsmanship along the way.

If you’re looking for an experienced architect or builder who’s trustworthy, collaborative, affordable and sustainable, we found all these things in Aspect Z.

Claire & Nari, Central Coast NSW

We would happily recommend Aspect Z

Aspect Z recently designed and built our granny flat at Woy Woy on the Central Coast. We wanted a custom built product, as we weren’t impressed by other local products which were mostly prefabricated. From our initial phone call we found the whole process with Aspect Z very easy; from first talks, through to design and the build itself.

The team constantly did their best and made suggestions to bring the granny flat in on our budget. The progress reports given to us during the build were fantastic – every move you guys made on site we were told about, so we were never in a situation where we didn’t feel informed about what was happening. Changes made by us during the build were dealt with well and the after build service has been great, with issues fixed without delay.

We would happily recommend Aspect Z.

A. Boyd

Thank you and well done Aspect Z

From the initial site inspection, to quotation and then building stage, we have found Paul Zaia from Aspect Z and the Aspect Z team to be efficient and professional every step of the way.

Paul oversaw the construction on a daily basis and his team of contractors were skilled tradesmen. The lifestyle change that we now have from our completed Apartment (granny flat) is more than we had hoped for. Aspect Z has raised the “Granny Flat” to a whole new level with superior quality and thoughtful details as standard.

It was important for us to deal with an established family business with values (and a sense of humour) that were in sync with ours.

Thank you and well done Aspect Z.

P & K Johnson

A builder that could understand and see the vision I had

After more than 3 years of research I was becoming quite disillusioned with the building industry and fast realising it was very difficult to find a design and a builder that could understand and see the vision I had for my block. Almost at the point of giving up and selling my block I discovered Aspect Z online.

The design of their Grannies was what first caught my eye.

I knew what I was trying to achieve on my block was not going to be easy. I picked up the phone and had a yarn with Paul. From day one, Paul was interested but more importantly directly honest. Not only did he design my build, but project managed through to completion. It was a tricky site in an awesome location. Paul’s attention to detail and excellent communication from concept to completion has delivered my project to a level that I am extremely happy with and on budget.

If you are looking for great design ideas and an ethical business partner for your build, I recommend Aspect Z without hesitation.

Oh, did I mention I live 8 hours away from the project.

Catherine Mabbott

Thermal Comfort

You’ll be pleased to know, throughout this cold snap over the past week, the house has stayed a cosy 20 degrees inside at night, with no heater. We used the heater a few times early in July when there was no sun during the days, so it’s worth having, but also nice to not have to use it much at all.

B Higginbottom

Architecture and Construction

Architectural and building services for a sustainable and energy-efficient future
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Granny Flats

Award-winning Design and Construct packages

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