Journal

Field notes from the build.

Building science, client stories, and observations from sites across the Central Plateau. Written for homeowners, architects and the curious.

Living room with exposed timber beams in a High Performance Home
What Is Airtightness in a House and Why Is It Important?
Building Science · Sep 2026

What Is Airtightness in a House and Why Is It Important?

Airtightness is one of the most misunderstood terms in high-performance building, mostly because of what it sounds like it means. It doesn’t mean sealing a house so completely that no fresh air ever gets in, and it certainly doesn’t mean a home that can’t ‘breathe’. Airtightness means controlling exactly where air enters and leaves a […]

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What Is a Building Envelope and Why Does It Matter?
Building Science · Sep 2026

What Is a Building Envelope and Why Does It Matter?

Every home has a building envelope, whether or not anyone involved in building it ever uses the term. It’s the physical boundary between conditioned indoor space and the outside world: the walls, roof, floor, windows and doors, and every junction where they meet. What separates a standard envelope from a high-performance one isn’t the materials […]

Is a High Performance Home Worth It?
Owner's Guide · Sep 2026

Is a High Performance Home Worth It?

It’s a fair question, and one worth asking honestly rather than answering with a sales pitch. A High Performance Home costs more upfront than a bare-minimum build. Whether that’s ‘worth it’ depends on what you’re actually measuring, and most homeowners, once they understand what they’re paying for, find the answer clearer than they expected. Start […]

High Performance Home vs Standard Home: What’s the Difference?
Owner's Guide · Sep 2026

High Performance Home vs Standard Home: What’s the Difference?

On paper, a standard new home and a High Performance Home can look almost identical: similar floor plan, similar cladding, similar roofline. The difference isn’t visible from the street. It shows up in how the house behaves once someone is actually living inside it: how quickly a room warms up on a frosty morning, how […]

Building Beyond the New Zealand Building Code: Why Minimum Isn’t Always the Goal
Industry & Trends · Sep 2026

Building Beyond the New Zealand Building Code: Why Minimum Isn’t Always the Goal

Somewhere in almost every new-build conversation, a homeowner assumes that meeting the Building Code means their new home will automatically be warm, dry and comfortable. It’s an understandable assumption, since the word ‘code’ sounds like a quality benchmark. In practice, it isn’t. The New Zealand Building Code sets the legal minimum a building must achieve […]

What Is a High Performance Home? The Five Principles That Work Together
Building Science · Sep 2026

What Is a High Performance Home? The Five Principles That Work Together

A High Performance Home is a house designed and built as one connected system rather than a collection of separate products. It is not a single feature you can buy, and it is not a certification you either have or don’t. It is the result of five principles working together (considered design, high insulation, an […]

High Performance Homes in New Zealand: The Complete Guide
Owner's Guide · Sep 2026

High Performance Homes in New Zealand: The Complete Guide

Most people start looking into High Performance Homes for a fairly ordinary reason. A cold bedroom. A power bill that keeps creeping up. A wall that fogs with condensation every June. By the time the phrase ‘High Performance Home’ shows up in a search bar, someone has usually already lived through a house that didn’t […]

Mechanical Ventilation in High Performance Homes: Why Fresh Air Matters
Building Science · Aug 2026

Mechanical Ventilation in High Performance Homes: Why Fresh Air Matters

There’s a question every homeowner should ask before agreeing to an airtight build, and surprisingly few people do: if the house is sealed this well, where does the air come from? It’s a fair question, and the honest answer is that an airtight home without a proper ventilation strategy is not actually a good outcome. […]

How High Performance Homes Reduce Energy Bills in New Zealand
Owner's Guide · Aug 2026

How High Performance Homes Reduce Energy Bills in New Zealand

Power bills are one of the few household costs that never really go away, and for a lot of New Zealand homeowners they climb every winter regardless of how careful anyone is with the thermostat. The usual advice, close the curtains, layer up, only heat one room, treats the symptom rather than the cause. The […]

Exploring the Unseen Benefits of MAXRaft Concrete Slabs Over Conventional Alternatives
Building Science · Aug 2026

Exploring the Unseen Benefits of MAXRaft Concrete Slabs Over Conventional Alternatives

Most people never think about their foundation once the house is built. It disappears under flooring, carpet and furniture, and stays out of sight for the life of the home. That’s exactly why it’s worth stopping to think about it before the pour, because a foundation is one of the few decisions you genuinely cannot […]

How High Performance Homes Stay Warm in Winter and Cool in Summer
Building Science · Dec 2025

How High Performance Homes Stay Warm in Winter and Cool in Summer

Superior insulation, airtight construction, double glazing, passive solar design and MHRV — the principles working together for year-round comfort.

5 Benefits of Building a High Performance Home in New Zealand
Owner's Guide · Nov 2025

5 Benefits of Building a High Performance Home in New Zealand

Lower bills, healthier indoor air, lasting value. Five reasons more Kiwis are choosing performance-focused design.

Lessons from a Challenging Site: Whākaroa Road, Kinloch
Case Studies · Oct 2025

Lessons from a Challenging Site: Whākaroa Road, Kinloch

Transforming a steep, exposed alpine site into a comfortable, energy-efficient family home — without compromising the view.