Why choose AlterecO2?

At AlterecO2 we offer two distinct pathways designed to suit your projects needs and desired level of involvement.


  • Begin with our Design Development package and seamlessly add working drawings or interior selections as your project evolves.

  • Move seamlessly from concept validation with your builder, through our Design Development package, to our Working Drawings and Interior package — all designed to get you on site sooner.

  • Enjoy clear, upfront pricing for each package — no surprises, no variations. What you see is what you get!

  • Initiate your project quickly, paying only for the services you need without the burden of full-scale contracts or delays.

  • 2 pathways offer flexibility in design services…


  • Beyond design, this service includes builder procurement, support with tendering, and management of all necessary planning and building approvals.

  • Love the vibe but want it more you? We’ve got you! Choose from our curated interiors with flexible design tweaks to perfectly match your style.

  • Access our experienced and passionate team of Passive House accredited building and interior designers, along with project management specialists — we handle the hard work, so you don’t have to!

  • with all the major decisions already made, this pathway minimises waiting times compared to a fully customised design — it’s customisation without the chaos!